Walk Directions Comments Map GPS Weather Photos Videos History Download Walk (pdf)

Cheshunt to Broxbourne Walk

River Lee Country Park and Waltham Abbey.

Easy Hertfordshire

Hiking weather forecast

Hertfordshire hourly weather (Visual Crossing)

Sunset: 19:38. Dusk: 20:12. Dark: 20:54. Moon 38% (dusk to 03:14)

Updated: Thu, 03-Apr at 14:39

06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21
Today 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0%
Fri, 04 Apr 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0%
Sat, 05 Apr 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0%
Sun, 06 Apr 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0%
Mon, 07 Apr 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0%
Tue, 08 Apr 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0%
Wed, 09 Apr 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0%
Thu, 10 Apr 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0%
Fri, 11 Apr 0% 0% 3% 3% 3% 3% 3% 3% 3% 3% 3% 3% 3% 3% 3% 3%
Sat, 12 Apr 0% 0% 10% 10% 10% 10% 10% 10% 13% 13% 13% 13% 13% 13% 0% 0%
Sun, 13 Apr 0% 0% 16% 16% 16% 16% 16% 16% 16% 16% 16% 16% 16% 16% 7% 7%
Mon, 14 Apr 10% 10% 19% 19% 🌫 19% 19% 19% 19% 26% 26% 26% 26% 26% 26% 19% 19%
Tue, 15 Apr 13% 13% 16% 16% 16% 16% 16% 16% 45% 45% 45% 45% 45% 45% 16% 16%
Wed, 16 Apr 7% 7% 23% 23% 23% 23% 23% 23% 42% 42% 42% 42% 42% 42% 10% 10%
Thu, 17 Apr 16% 16% 29% 29% 29% 29% 29% 29% 39% 39% 39% 39% 39% 39% 3% 3%

Percentages are the chance of rain.

Weather data by Visual Crossing

Hertfordshire hourly weather (Open Meteo)

Sunset: 19:38. Dusk: 20:12. Dark: 20:54. Moon 38% (dusk to 03:14)

Updated: Thu, 03-Apr at 14:36

06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21
Today 0% 0% 0% 0% 0% 0% 3% 0%
Fri, 04 Apr 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0%
Sat, 05 Apr 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0%
Sun, 06 Apr 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0%
Mon, 07 Apr 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0%
Tue, 08 Apr 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0%
Wed, 09 Apr 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0%
Thu, 10 Apr 0% 0% 0% 0% 0% 0% 0% 0% 1% 2% 3% 3% 3% 3% 2% 1%
Fri, 11 Apr 6% 6% 4% 2% 0% 0% 2% 3% 3% 3% 3% 2% 1% 0% 1% 2%
Sat, 12 Apr 2% 3% 2% 1% 0% 1% 2% 3% 4% 5% 6% 8% 10% 10% 7% 3%
Sun, 13 Apr 5% 6% 6% 6% 8% 9% 9% 10% 10% 11% 11% 11% 11% 10% 9% 7%
Mon, 14 Apr 2% 3% 3% 3% 🌫 3% 3% 4% 6% 10% 15% 19% 23% 27% 29% 27% 23%
Tue, 15 Apr 2% 3% 4% 7% 9% 12% 15% 19% 24% 29% 33% 37% 41% 42% 40% 36%
Wed, 16 Apr 10% 10% 11% 12% 13% 15% 17% 19% 22% 24% 27% 29% 31% 32% 30% 27%
Thu, 17 Apr 13% 13% 13% 14% 14% 14% 15% 16% 19% 22% 25% 28% 31% 32% 30% 27%
Fri, 18 Apr 32% 35% 37% 38% 39% 40% 40% 39% 37% 35% 33% 31% 28% 26% 24% 22%

Percentages are the chance of rain.

Weather data by Open-Meteo

Hertfordshire hourly weather (Met Office)

Sunset: 19:38. Dusk: 20:12. Dark: 20:54. Moon 38% (dusk to 03:14)

Updated: Thu, 03-Apr at 13:00

06 09 12 15 18 21
Today 3% 1% 0%
Fri, 04 Apr 4% 0% 0% 0% 0% 0%
Sat, 05 Apr 1% 0% 0% 0% 0% 0%
Sun, 06 Apr 0% 0% 0% 0% 0% 0%
Mon, 07 Apr 0% 0% 0% 0% 0% 0%
Tue, 08 Apr 1% 1% 1% 1% 0% 0%
Wed, 09 Apr 1% 2% 2% 2% 1% 1%
Thu, 10 Apr 3% 2% 2%

Percentages are the chance of rain.

Weather data by Met Office

Regional weather (Met Office)

Sunset: 19:38. Dusk: 20:12. Dark: 20:54. Moon 38% (dusk to 03:14)

Updated: Thu, 03-Apr at 14:38

East England

Dry and sunny for most. Becoming warm in west.

  • Dry and sunny for most, although high cloud moving up from the southwest may make the sunshine hazy later
  • Remaining breezy, especially on coasts
  • Warm in the west, but cooler in the east
  • Maximum Temperature 17C

Tonight:

  • Dry overnight, with clear spells in the northeast
  • More cloud in the southwest, where it will be milder
  • Wind easing overnight
  • Minimum Temperature 7C

Friday:

  • Cloud soon clearing from the southwest to leave a dry and sunny day
  • Becoming breezy again, and windy along coasts
  • Warm in the west, but cooler on coasts
  • Maximum Temperature 19C

Outlook for Saturday to Monday:

  • Dry, with overnight low cloud burning back to coasts by day to allow sunshine for many
  • Winds gradually easing
  • Cooler than recent days, especially near coasts
  • Risk of overnight frost

UK Day 6-7 and week 2

  • High pressure should prevail for most of the outlook period, maintaining largely settled conditions for much of the time
  • This should result in lengthy spells of dry and bright weather
  • It will be breezy at times, especially in the southwest at first
  • Daytime temperatures will depend on the wind direction and cloud amounts, but most places will be warm for most of the period, and very warm days most likely will be further inland
  • Overnight frosts are possible on clear nights where winds fall light
  • There is also the chance of some areas of low cloud or fog, notably around the east coast
  • Towards the middle of April, the weather may turn more unsettled as rain or showers try to push in from the west

UK Week 3 and 4

  • An unsettled period is expected around mid April, with interludes of rain or showers at times
  • Despite being unsettled, there will be fair conditions between weather systems
  • A return to high pressure is signalled later in the month, bringing mainly dry and fine weather
  • Temperatures are likely to be around average at first, before climbing to above average later in the more settled weather
  • This means some warm or very warm days, especially further inland where winds stay light on fair days
  • This could also mean there might still be some chilly nights any clear skies

Weather data by Met Office

Hertfordshire Air Quality (Pollen and UV)

Updated: Thu, 03-Apr at 14:36

Key : Low Medium High Very High

00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23
Today air q UV alder birch air q UV alder birch air q UV alder birch air q UV alder birch air q UV alder birch air q UV alder birch air q   alder birch air q   alder birch air q   alder birch air q   alder birch
Fri, 04 Apr air q   alder birch air q   alder birch air q   alder birch air q   alder birch air q   alder birch air q   alder birch air q   alder birch air q UV alder birch air q UV alder birch air q UV alder birch air q UV alder birch air q UV alder birch air q UV alder birch air q UV alder birch air q UV alder birch air q UV alder birch air q UV alder birch air q UV alder birch air q UV alder birch air q UV alder birch air q   alder birch air q   alder birch air q   alder birch air q   alder birch
Sat, 05 Apr air q   alder birch air q   alder birch air q   alder birch air q   alder birch air q   alder birch air q     birch air q     birch air q UV   birch air q UV   birch air q UV alder birch air q UV alder birch air q UV alder birch air q UV alder birch air q UV alder birch air q UV alder birch air q UV alder birch air q UV alder birch air q UV alder birch air q UV alder birch air q UV alder birch air q   alder birch air q   alder birch air q   alder birch air q   alder birch
Sun, 06 Apr air q   alder birch air q   alder birch air q       air q       air q       air q       air q       air q UV     air q UV     air q UV     air q UV     air q UV     air q UV     air q UV     air q UV     air q UV     air q UV     air q UV     air q UV     air q UV     air q       air q       air q       air q      

Pollens

These pollens are shown (in season):

  • Grass
  • Alder and birch (trees)
  • Mugwort and Ragweed (weeds)

When out walking, wraparound glasses, a disposable or washable facemask, and being at the front of the group, all help.

Other forecasts: Met Office, University of Worcester

UV and Air Quality

The UV forecast takes account of cloud cover.

"Air Q", the European Air Quality index, is a mix of dust/particulates, ozone, sulphur and nitrous oxides

Data

Weather data by Open-Meteo and CAMS ENSEMBLE

Hertfordshire Visibility

Updated: Thu, 03-Apr at 14:36

06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21
Today 75km 76km 76km 75km 74km 72km 66km 60km
Fri, 04 Apr 40km 42km 47km 57km 67km 73km 75km 75km 76km 77km 77km 77km 78km 76km 74km 69km
Sat, 05 Apr 16km 12km 15km 35km 53km 65km 72km 76km 74km 76km 76km 76km 76km 74km 68km 62km
Sun, 06 Apr 37km 36km 39km 57km 69km 72km 75km 76km 77km 77km 78km 79km 79km 79km 78km 76km
Mon, 07 Apr 28km 22km 38km 54km 70km 72km 75km 78km 78km 78km 79km 78km 78km 78km 76km 74km

Visibility in km. Above 50km is 'good'. Humidity and air pollution make it worse. Theoretical maximum is 300km/200 miles in clean dry polar air.

On the South Downs, at ~ 170m/500ft, the horizon is is ~ 45km/30 miles away. On a mountain at 1,000m/3,000ft, it is ~ 160km/100 miles away. Formula: horizon in km = √ (13 x altitude in m)

Weather data by Open-Meteo

Hertfordshire daylight

Date Light Dawn Sunrise Max Ht. Sunset Dusk Dark Day Length
Thu, 03-Apr 05:15 05:56 06:31 13:04 19:38 20:12 20:54 14:15
Fri, 04-Apr 05:12 05:54 06:28 13:03 19:40 20:14 20:56 14:20
Sat, 05-Apr 05:10 05:52 06:26 13:03 19:41 20:16 20:58 14:24
Sun, 06-Apr 05:07 05:49 06:24 13:03 19:43 20:18 21:00 14:28
Mon, 07-Apr 05:05 05:47 06:22 13:03 19:45 20:19 21:02 14:32
Tue, 08-Apr 05:02 05:44 06:19 13:02 19:46 20:21 21:04 14:36
Wed, 09-Apr 04:59 05:42 06:17 13:02 19:48 20:23 21:06 14:40
Thu, 10-Apr 04:57 05:40 06:15 13:02 19:50 20:25 21:08 14:45
Fri, 11-Apr 04:54 05:37 06:13 13:01 19:51 20:27 21:10 14:49
Sat, 12-Apr 04:52 05:35 06:10 13:01 19:53 20:29 21:12 14:53
Sun, 13-Apr 04:49 05:33 06:08 13:01 19:55 20:30 21:14 14:57
Mon, 14-Apr 04:46 05:30 06:06 13:01 19:56 20:32 21:17 15:01
Tue, 15-Apr 04:44 05:28 06:04 13:00 19:58 20:34 21:19 15:05
Wed, 16-Apr 04:41 05:26 06:02 13:00 20:00 20:36 21:21 15:10
Thu, 17-Apr 04:39 05:24 06:00 13:00 20:02 20:38 21:23 15:14
Fri, 18-Apr 04:36 05:21 05:57 13:00 20:03 20:40 21:25 15:18
Sat, 19-Apr 04:33 05:19 05:55 13:00 20:05 20:41 21:27 15:22
Sun, 20-Apr 04:31 05:17 05:53 12:59 20:07 20:43 21:30 15:26
Mon, 21-Apr 04:28 05:14 05:51 12:59 20:08 20:45 21:32 15:30
Tue, 22-Apr 04:26 05:12 05:49 12:59 20:10 20:47 21:34 15:34
Wed, 23-Apr 04:23 05:10 05:47 12:59 20:12 20:49 21:36 15:39
Thu, 24-Apr 04:20 05:08 05:45 12:59 20:13 20:51 21:38 15:43
Fri, 25-Apr 04:18 05:05 05:43 12:58 20:15 20:53 21:41 15:47
Sat, 26-Apr 04:15 05:03 05:41 12:58 20:17 20:55 21:43 15:51
Sun, 27-Apr 04:13 05:01 05:39 12:58 20:18 20:56 21:45 15:55
Mon, 28-Apr 04:10 04:59 05:37 12:58 20:20 20:58 21:48 15:59
Tue, 29-Apr 04:08 04:57 05:35 12:58 20:22 21:00 21:50 16:03
Wed, 30-Apr 04:05 04:55 05:33 12:58 20:23 21:02 21:52 16:07
Thu, 01-May 04:02 04:52 05:31 12:58 20:25 21:04 21:54 16:11
Fri, 02-May 04:00 04:50 05:29 12:57 20:27 21:06 21:57 16:15
Sat, 03-May 03:57 04:48 05:27 12:57 20:28 21:08 21:59 16:19
Sun, 04-May 03:55 04:46 05:25 12:57 20:30 21:10 22:02 16:23
Mon, 05-May 03:52 04:44 05:24 12:57 20:32 21:11 22:04 16:27
Tue, 06-May 03:50 04:42 05:22 12:57 20:33 21:13 22:06 16:31
Wed, 07-May 03:47 04:40 05:20 12:57 20:35 21:15 22:09 16:34
Thu, 08-May 03:45 04:38 05:18 12:57 20:37 21:17 22:11 16:38
Fri, 09-May 03:42 04:36 05:17 12:57 20:38 21:19 22:13 16:42
Sat, 10-May 03:40 04:34 05:15 12:57 20:40 21:21 22:16 16:46
Sun, 11-May 03:37 04:32 05:13 12:57 20:41 21:22 22:18 16:50
Mon, 12-May 03:35 04:31 05:12 12:57 20:43 21:24 22:21 16:53
Tue, 13-May 03:33 04:29 05:10 12:57 20:44 21:26 22:23 16:57
Wed, 14-May 03:30 04:27 05:09 12:57 20:46 21:28 22:25 17:00
Thu, 15-May 03:28 04:25 05:07 12:57 20:48 21:30 22:28 17:04
Fri, 16-May 03:25 04:23 05:06 12:57 20:49 21:31 22:30 17:07
Sat, 17-May 03:23 04:22 05:04 12:57 20:51 21:33 22:32 17:11
Sun, 18-May 03:21 04:20 05:03 12:57 20:52 21:35 22:35 17:14
Mon, 19-May 03:19 04:18 05:01 12:57 20:53 21:37 22:37 17:18
Tue, 20-May 03:16 04:17 05:00 12:57 20:55 21:38 22:40 17:21
Wed, 21-May 03:14 04:15 04:59 12:57 20:56 21:40 22:42 17:24
Thu, 22-May 03:12 04:14 04:58 12:57 20:58 21:42 22:44 17:27
Fri, 23-May 03:10 04:12 04:56 12:57 20:59 21:43 22:46 17:30
Sat, 24-May 03:08 04:11 04:55 12:57 21:00 21:45 22:49 17:33
Sun, 25-May 03:06 04:10 04:54 12:57 21:02 21:46 22:51 17:36
Mon, 26-May 03:04 04:08 04:53 12:58 21:03 21:48 22:53 17:39
Tue, 27-May 03:02 04:07 04:52 12:58 21:04 21:49 22:55 17:42
Wed, 28-May 03:00 04:06 04:51 12:58 21:05 21:51 22:58 17:45
Thu, 29-May 02:58 04:04 04:50 12:58 21:07 21:52 23:00 17:47
Fri, 30-May 02:56 04:03 04:49 12:58 21:08 21:54 23:02 17:50
Sat, 31-May 02:54 04:02 04:48 12:58 21:09 21:55 23:04 17:52
Sun, 01-Jun 02:53 04:01 04:47 12:58 21:10 21:56 23:06 17:55
Mon, 02-Jun 02:51 04:00 04:46 12:59 21:11 21:58 23:08 17:57
Tue, 03-Jun 02:49 03:59 04:46 12:59 21:12 21:59 23:10 17:59
Wed, 04-Jun 02:48 03:58 04:45 12:59 21:13 22:00 23:11 18:01
Thu, 05-Jun 02:46 03:58 04:44 12:59 21:14 22:01 23:13 18:03
Fri, 06-Jun 02:45 03:57 04:44 12:59 21:15 22:02 23:15 18:05
Sat, 07-Jun 02:44 03:56 04:43 12:59 21:16 22:03 23:16 18:07
Sun, 08-Jun 02:42 03:55 04:43 13:00 21:17 22:04 23:18 18:08
Mon, 09-Jun 02:41 03:55 04:42 13:00 21:18 22:05 23:19 18:10
Tue, 10-Jun 02:40 03:54 04:42 13:00 21:18 22:06 23:21 18:11
Wed, 11-Jun 02:39 03:54 04:42 13:00 21:19 22:07 23:22 18:13
Thu, 12-Jun 02:39 03:54 04:41 13:00 21:20 22:08 23:23 18:14
Fri, 13-Jun 02:38 03:53 04:41 13:01 21:20 22:08 23:24 18:15
Sat, 14-Jun 02:37 03:53 04:41 13:01 21:21 22:09 23:25 18:16
Sun, 15-Jun 02:37 03:53 04:41 13:01 21:21 22:10 23:26 18:16
Mon, 16-Jun 02:36 03:53 04:41 13:01 21:22 22:10 23:27 18:17
Tue, 17-Jun 02:36 03:53 04:41 13:01 21:22 22:11 23:27 18:18
Wed, 18-Jun 02:36 03:53 04:41 13:02 21:23 22:11 23:28 18:18
Thu, 19-Jun 02:36 03:53 04:41 13:02 21:23 22:11 23:28 18:18
Fri, 20-Jun 02:36 03:53 04:41 13:02 21:23 22:12 23:29 18:18
Sat, 21-Jun 02:36 03:53 04:41 13:02 21:23 22:12 23:29 18:18
Sun, 22-Jun 02:36 03:53 04:42 13:03 21:23 22:12 23:29 18:18
Mon, 23-Jun 02:37 03:53 04:42 13:03 21:24 22:12 23:29 18:18
Tue, 24-Jun 02:37 03:54 04:42 13:03 21:24 22:12 23:29 18:18
Wed, 25-Jun 02:38 03:54 04:43 13:03 21:24 22:12 23:28 18:17
Thu, 26-Jun 02:38 03:55 04:43 13:03 21:24 22:12 23:28 18:17
Fri, 27-Jun 02:39 03:55 04:44 13:04 21:23 22:12 23:27 18:16
Sat, 28-Jun 02:40 03:56 04:44 13:04 21:23 22:11 23:27 18:15
Sun, 29-Jun 02:41 03:57 04:45 13:04 21:23 22:11 23:26 18:14
Mon, 30-Jun 02:42 03:57 04:45 13:04 21:23 22:11 23:25 18:13
Tue, 01-Jul 02:44 03:58 04:46 13:04 21:22 22:10 23:24 18:12
Wed, 02-Jul 02:45 03:59 04:47 13:05 21:22 22:10 23:23 18:10
Thu, 03-Jul 02:46 04:00 04:47 13:05 21:22 22:09 23:22 18:09
Fri, 04-Jul 02:48 04:01 04:48 13:05 21:21 22:08 23:21 18:07
Sat, 05-Jul 02:49 04:02 04:49 13:05 21:21 22:08 23:20 18:05
Sun, 06-Jul 02:51 04:03 04:50 13:05 21:20 22:07 23:18 18:04
Mon, 07-Jul 02:53 04:04 04:51 13:05 21:19 22:06 23:17 18:02
Tue, 08-Jul 02:54 04:05 04:52 13:06 21:19 22:05 23:15 18:00
Wed, 09-Jul 02:56 04:06 04:53 13:06 21:18 22:04 23:14 17:57
Thu, 10-Jul 02:58 04:08 04:54 13:06 21:17 22:03 23:12 17:55
Fri, 11-Jul 03:00 04:09 04:55 13:06 21:16 22:02 23:11 17:53
Sat, 12-Jul 03:02 04:10 04:56 13:06 21:16 22:01 23:09 17:51
Sun, 13-Jul 03:04 04:12 04:57 13:06 21:15 22:00 23:07 17:48
Mon, 14-Jul 03:06 04:13 04:58 13:06 21:14 21:59 23:05 17:45
Tue, 15-Jul 03:08 04:14 05:00 13:07 21:13 21:58 23:03 17:43
Wed, 16-Jul 03:10 04:16 05:01 13:07 21:12 21:56 23:01 17:40
Thu, 17-Jul 03:12 04:17 05:02 13:07 21:11 21:55 22:59 17:37
Fri, 18-Jul 03:15 04:19 05:03 13:07 21:09 21:54 22:57 17:34
Sat, 19-Jul 03:17 04:20 05:05 13:07 21:08 21:52 22:55 17:31
Sun, 20-Jul 03:19 04:22 05:06 13:07 21:07 21:51 22:53 17:28
Mon, 21-Jul 03:21 04:24 05:07 13:07 21:06 21:49 22:51 17:25
Tue, 22-Jul 03:24 04:25 05:09 13:07 21:04 21:48 22:48 17:22
Wed, 23-Jul 03:26 04:27 05:10 13:07 21:03 21:46 22:46 17:19
Thu, 24-Jul 03:28 04:28 05:11 13:07 21:02 21:44 22:44 17:15
Fri, 25-Jul 03:31 04:30 05:13 13:07 21:00 21:43 22:42 17:12
Sat, 26-Jul 03:33 04:32 05:14 13:07 20:59 21:41 22:39 17:09
Sun, 27-Jul 03:35 04:34 05:16 13:07 20:57 21:39 22:37 17:05
Mon, 28-Jul 03:38 04:35 05:17 13:07 20:56 21:38 22:35 17:02
Tue, 29-Jul 03:40 04:37 05:19 13:07 20:54 21:36 22:32 16:58
Wed, 30-Jul 03:42 04:39 05:20 13:07 20:53 21:34 22:30 16:55
Thu, 31-Jul 03:45 04:40 05:22 13:07 20:51 21:32 22:27 16:51
Fri, 01-Aug 03:47 04:42 05:23 13:07 20:49 21:30 22:25 16:47
Sat, 02-Aug 03:49 04:44 05:25 13:07 20:48 21:28 22:22 16:44
Sun, 03-Aug 03:52 04:46 05:26 13:07 20:46 21:26 22:20 16:40
Mon, 04-Aug 03:54 04:48 05:28 13:07 20:44 21:24 22:17 16:36
Tue, 05-Aug 03:56 04:49 05:29 13:06 20:42 21:22 22:15 16:32
Wed, 06-Aug 03:58 04:51 05:31 13:06 20:41 21:20 22:12 16:29
Thu, 07-Aug 04:01 04:53 05:33 13:06 20:39 21:18 22:10 16:25
Fri, 08-Aug 04:03 04:55 05:34 13:06 20:37 21:16 22:07 16:21
Sat, 09-Aug 04:05 04:57 05:36 13:06 20:35 21:14 22:05 16:17
Sun, 10-Aug 04:08 04:58 05:37 13:06 20:33 21:12 22:02 16:13
Mon, 11-Aug 04:10 05:00 05:39 13:06 20:31 21:10 22:00 16:09
Tue, 12-Aug 04:12 05:02 05:41 13:05 20:29 21:08 21:57 16:05
Wed, 13-Aug 04:14 05:04 05:42 13:05 20:27 21:05 21:54 16:01
Thu, 14-Aug 04:17 05:06 05:44 13:05 20:25 21:03 21:52 15:57
Fri, 15-Aug 04:19 05:07 05:45 13:05 20:23 21:01 21:49 15:53
Sat, 16-Aug 04:21 05:09 05:47 13:05 20:21 20:59 21:47 15:49
Sun, 17-Aug 04:23 05:11 05:49 13:04 20:19 20:57 21:44 15:45
Mon, 18-Aug 04:25 05:13 05:50 13:04 20:17 20:54 21:41 15:41
Tue, 19-Aug 04:28 05:15 05:52 13:04 20:15 20:52 21:39 15:37
Wed, 20-Aug 04:30 05:16 05:53 13:04 20:13 20:50 21:36 15:33
Thu, 21-Aug 04:32 05:18 05:55 13:04 20:11 20:48 21:34 15:29
Fri, 22-Aug 04:34 05:20 05:57 13:03 20:09 20:45 21:31 15:25
Sat, 23-Aug 04:36 05:22 05:58 13:03 20:07 20:43 21:28 15:21
Sun, 24-Aug 04:38 05:24 06:00 13:03 20:05 20:41 21:26 15:17
Mon, 25-Aug 04:40 05:25 06:01 13:02 20:02 20:38 21:23 15:13
Tue, 26-Aug 04:42 05:27 06:03 13:02 20:00 20:36 21:21 15:08
Wed, 27-Aug 04:44 05:29 06:05 13:02 19:58 20:34 21:18 15:04
Thu, 28-Aug 04:46 05:31 06:06 13:02 19:56 20:31 21:15 15:00
Fri, 29-Aug 04:48 05:32 06:08 13:01 19:54 20:29 21:13 14:56
Sat, 30-Aug 04:50 05:34 06:10 13:01 19:51 20:27 21:10 14:52
Sun, 31-Aug 04:52 05:36 06:11 13:01 19:49 20:24 21:07 14:48
Mon, 01-Sep 04:54 05:38 06:13 13:00 19:47 20:22 21:05 14:44
Tue, 02-Sep 04:56 05:39 06:14 13:00 19:45 20:20 21:02 14:40
Wed, 03-Sep 04:58 05:41 06:16 13:00 19:42 20:17 21:00 14:36
Thu, 04-Sep 05:00 05:43 06:18 12:59 19:40 20:15 20:57 14:31
Fri, 05-Sep 05:02 05:45 06:19 12:59 19:38 20:12 20:54 14:27
Sat, 06-Sep 05:04 05:46 06:21 12:59 19:36 20:10 20:52 14:23
Sun, 07-Sep 05:06 05:48 06:22 12:58 19:33 20:08 20:49 14:19
Mon, 08-Sep 05:08 05:50 06:24 12:58 19:31 20:05 20:47 14:15
Tue, 09-Sep 05:10 05:51 06:26 12:58 19:29 20:03 20:44 14:11
Wed, 10-Sep 05:12 05:53 06:27 12:57 19:26 20:00 20:42 14:07
Thu, 11-Sep 05:14 05:55 06:29 12:57 19:24 19:58 20:39 14:03
Fri, 12-Sep 05:15 05:56 06:31 12:57 19:22 19:56 20:37 13:59
Sat, 13-Sep 05:17 05:58 06:32 12:56 19:19 19:53 20:34 13:55
Sun, 14-Sep 05:19 06:00 06:34 12:56 19:17 19:51 20:31 13:51
Mon, 15-Sep 05:21 06:01 06:35 12:56 19:15 19:49 20:29 13:47
Tue, 16-Sep 05:23 06:03 06:37 12:55 19:12 19:46 20:26 13:42
Wed, 17-Sep 05:24 06:05 06:39 12:55 19:10 19:44 20:24 13:38
Thu, 18-Sep 05:26 06:06 06:40 12:55 19:08 19:41 20:21 13:34
Fri, 19-Sep 05:28 06:08 06:42 12:54 19:05 19:39 20:19 13:30
Sat, 20-Sep 05:30 06:10 06:43 12:54 19:03 19:37 20:16 13:26
Sun, 21-Sep 05:32 06:11 06:45 12:53 19:01 19:34 20:14 13:22
Mon, 22-Sep 05:33 06:13 06:47 12:53 18:58 19:32 20:12 13:18
Tue, 23-Sep 05:35 06:15 06:48 12:53 18:56 19:30 20:09 13:14
Wed, 24-Sep 05:37 06:16 06:50 12:52 18:54 19:27 20:07 13:10
Thu, 25-Sep 05:39 06:18 06:52 12:52 18:51 19:25 20:04 13:06
Fri, 26-Sep 05:40 06:20 06:53 12:52 18:49 19:23 20:02 13:02
Sat, 27-Sep 05:42 06:21 06:55 12:51 18:47 19:20 19:59 12:58
Sun, 28-Sep 05:44 06:23 06:57 12:51 18:45 19:18 19:57 12:54
Mon, 29-Sep 05:46 06:25 06:58 12:51 18:42 19:16 19:55 12:50

Notes

  • Max Height (solar noon) is when the sun is highest in the sky.
  • Day length is dawn to dusk as there is enough light for walking for at least 30 minutes before sunrise and after sunset, even on an overcast day.
  • At 'Light' (nautical dawn) the horizon becomes visible. At 'Dawn' (civil dawn) there is enough light to read, and drivers can switch their lights off. Finally the sun rises.
  • After sunset, there is still enough light to read until 'Dusk' (civil dusk) or lighting up time for drivers. The horizon is still visible until 'Dark' (nautical dusk).
  • Times will vary if there is a hill on the horizon.

Hertfordshire moonlight

Moonlight chart for walking at night.

Night of Sunset Dusk Moon Visible Dawn Sunrise Phase % Full Max. Ht. Night Walk
Thu, 03-Apr 19:38 20:12 dusk 03:14 05:54 06:28 38 % 17:56
Fri, 04-Apr 19:40 20:14 dusk 04:02 05:52 06:26 49 % 18:56
Sat, 05-Apr 19:41 20:16 dusk 04:34 05:49 06:24 59 % 19:53
Sun, 06-Apr 19:43 20:18 dusk 04:55 05:47 06:22 69 % 20:46
Mon, 07-Apr 19:45 20:19 dusk 05:11 05:44 06:19 78 % 21:33 after dusk
Tue, 08-Apr 19:46 20:21 dusk 05:23 05:42 06:17 86 % 22:17 after dusk
Wed, 09-Apr 19:48 20:23 dusk 05:32 05:40 06:15 92 % 22:58 after dusk
Thu, 10-Apr 19:50 20:25 dusk dawn 05:37 06:13 96 % 23:38 all night
Fri, 11-Apr 19:51 20:27 dusk dawn 05:35 06:10 99 % 00:17 all night
Sat, 12-Apr 19:53 20:29 dusk dawn 05:33 06:08 100 % 00:57 all night
Sun, 13-Apr 19:55 20:30 20:53 dawn 05:30 06:06 99 % 01:38 before dawn
Mon, 14-Apr 19:56 20:32 22:06 dawn 05:28 06:04 97 % 02:22 before dawn
Tue, 15-Apr 19:58 20:34 23:21 dawn 05:26 06:02 92 % 03:08 before dawn
Wed, 16-Apr 20:00 20:36 00:33 dawn 05:24 06:00 87 % 03:58 before dawn
Thu, 17-Apr 20:02 20:38 01:39 dawn 05:21 05:57 79 % 04:50 before dawn
Fri, 18-Apr 20:03 20:40 02:33 dawn 05:19 05:55 71 % 05:44
Sat, 19-Apr 20:05 20:41 03:13 dawn 05:17 05:53 61 % 06:38
Sun, 20-Apr 20:07 20:43 03:41 dawn 05:14 05:51 51 % 07:31
Mon, 21-Apr 20:08 20:45 04:02 dawn 05:12 05:49 41 % 08:23
Tue, 22-Apr 20:10 20:47 04:18 dawn 05:10 05:47 30 % 09:12
Wed, 23-Apr 20:12 20:49 04:31 dawn 05:08 05:45 20 % 10:01
Thu, 24-Apr 20:13 20:51 04:43 dawn 05:05 05:43 12 % 10:51
Fri, 25-Apr 20:15 20:53 04:56 dawn 05:03 05:41 5 % 11:42
Sat, 26-Apr 20:17 20:55 05:01 05:39 1 %
Sun, 27-Apr 20:18 20:56 04:59 05:37 0 % 12:36
Mon, 28-Apr 20:20 20:58 dusk 22:03 04:57 05:35 2 % 13:33
Tue, 29-Apr 20:22 21:00 dusk 23:37 04:55 05:33 7 % 14:35
Wed, 30-Apr 20:23 21:02 dusk 00:57 04:52 05:31 14 % 15:39
Thu, 01-May 20:25 21:04 dusk 01:56 04:50 05:29 23 % 16:43
Fri, 02-May 20:27 21:06 dusk 02:34 04:48 05:27 33 % 17:44
Sat, 03-May 20:28 21:08 dusk 03:00 04:46 05:25 44 % 18:40
Sun, 04-May 20:30 21:10 dusk 03:18 04:44 05:24 54 % 19:30
Mon, 05-May 20:32 21:11 dusk 03:31 04:42 05:22 64 % 20:16
Tue, 06-May 20:33 21:13 dusk 03:41 04:40 05:20 73 % 20:58
Wed, 07-May 20:35 21:15 dusk 03:51 04:38 05:18 81 % 21:38 after dusk
Thu, 08-May 20:37 21:17 dusk 04:00 04:36 05:17 88 % 22:17 after dusk
Fri, 09-May 20:38 21:19 dusk 04:09 04:34 05:15 93 % 22:56 after dusk
Sat, 10-May 20:40 21:21 dusk 04:21 04:32 05:13 97 % 23:37 after dusk
Sun, 11-May 20:41 21:22 dusk dawn 04:31 05:12 99 % 00:20 all night
Mon, 12-May 20:43 21:24 dusk dawn 04:29 05:10 100 % 01:06 all night
Tue, 13-May 20:44 21:26 22:23 dawn 04:27 05:09 98 % 01:55 before dawn
Wed, 14-May 20:46 21:28 23:31 dawn 04:25 05:07 95 % 02:46 before dawn
Thu, 15-May 20:48 21:30 00:28 dawn 04:23 05:06 90 % 03:40 before dawn
Fri, 16-May 20:49 21:31 01:12 dawn 04:22 05:04 84 % 04:34 before dawn
Sat, 17-May 20:51 21:33 01:44 dawn 04:20 05:03 76 % 05:26 before dawn
Sun, 18-May 20:52 21:35 02:07 dawn 04:18 05:01 66 % 06:17
Mon, 19-May 20:53 21:37 02:24 dawn 04:17 05:00 56 % 07:06
Tue, 20-May 20:55 21:38 02:37 dawn 04:15 04:59 45 % 07:54
Wed, 21-May 20:56 21:40 02:49 dawn 04:14 04:58 34 % 08:41
Thu, 22-May 20:58 21:42 03:01 dawn 04:12 04:56 24 % 09:29
Fri, 23-May 20:59 21:43 03:14 dawn 04:11 04:55 14 % 10:20
Sat, 24-May 21:00 21:45 03:30 dawn 04:10 04:54 7 % 11:15
Sun, 25-May 21:02 21:46 04:08 04:53 2 %
Mon, 26-May 21:03 21:48 04:07 04:52 0 % 12:14
Tue, 27-May 21:04 21:49 dusk 22:29 04:06 04:51 1 % 13:18
Wed, 28-May 21:05 21:51 dusk 23:40 04:04 04:50 5 % 14:23
Thu, 29-May 21:07 21:52 dusk 00:29 04:03 04:49 11 % 15:28
Fri, 30-May 21:08 21:54 dusk 01:00 04:02 04:48 19 % 16:28
Sat, 31-May 21:09 21:55 dusk 01:22 04:01 04:47 28 % 17:22
Sun, 01-Jun 21:10 21:56 dusk 01:37 04:00 04:46 38 % 18:10
Mon, 02-Jun 21:11 21:58 dusk 01:48 03:59 04:46 48 % 18:55
Tue, 03-Jun 21:12 21:59 dusk 01:58 03:58 04:45 58 % 19:36
Wed, 04-Jun 21:13 22:00 dusk 02:08 03:58 04:44 67 % 20:16
Thu, 05-Jun 21:14 22:01 dusk 02:17 03:57 04:44 76 % 20:55 after dusk
Fri, 06-Jun 21:15 22:02 dusk 02:28 03:56 04:43 83 % 21:35 after dusk
Sat, 07-Jun 21:16 22:03 dusk 02:41 03:55 04:43 90 % 22:17 after dusk
Sun, 08-Jun 21:17 22:04 dusk 02:59 03:55 04:42 95 % 23:02 after dusk
Mon, 09-Jun 21:18 22:05 dusk 03:23 03:54 04:42 98 % 23:50 after dusk
Tue, 10-Jun 21:18 22:06 dusk dawn 03:54 04:42 100 % 00:41 all night
Wed, 11-Jun 21:19 22:07 22:23 dawn 03:54 04:41 99 % 01:35 before dawn
Thu, 12-Jun 21:20 22:08 23:11 dawn 03:53 04:41 97 % 02:29 before dawn
Fri, 13-Jun 21:20 22:08 23:47 dawn 03:53 04:41 93 % 03:23 before dawn
Sat, 14-Jun 21:21 22:09 00:12 dawn 03:53 04:41 87 % 04:14 before dawn
Sun, 15-Jun 21:21 22:10 00:30 dawn 03:53 04:41 79 % 05:04 before dawn
Mon, 16-Jun 21:22 22:10 00:44 dawn 03:53 04:41 70 % 05:51
Tue, 17-Jun 21:22 22:11 00:56 dawn 03:53 04:41 60 % 06:37
Wed, 18-Jun 21:23 22:11 01:08 dawn 03:53 04:41 48 % 07:23
Thu, 19-Jun 21:23 22:11 01:20 dawn 03:53 04:41 37 % 08:11
Fri, 20-Jun 21:23 22:12 01:34 dawn 03:53 04:41 26 % 09:03
Sat, 21-Jun 21:23 22:12 01:52 dawn 03:53 04:42 17 % 09:58
Sun, 22-Jun 21:23 22:12 02:17 dawn 03:53 04:42 9 % 10:59
Mon, 23-Jun 21:24 22:12 03:54 04:42 3 %
Tue, 24-Jun 21:24 22:12 03:51 dawn 03:54 04:43 1 % 12:03
Wed, 25-Jun 21:24 22:12 dusk 22:18 03:55 04:43 1 % 13:08
Thu, 26-Jun 21:24 22:12 dusk 22:57 03:55 04:44 3 % 14:11
Fri, 27-Jun 21:23 22:12 dusk 23:23 03:56 04:44 8 % 15:08
Sat, 28-Jun 21:23 22:11 dusk 23:41 03:57 04:45 15 % 16:01
Sun, 29-Jun 21:23 22:11 dusk 23:54 03:57 04:45 23 % 16:48
Mon, 30-Jun 21:23 22:11 dusk 00:05 03:58 04:46 32 % 17:31
Tue, 01-Jul 21:22 22:10 dusk 00:15 03:59 04:47 42 % 18:12
Wed, 02-Jul 21:22 22:10 dusk 00:24 04:00 04:47 52 % 18:52
Thu, 03-Jul 21:22 22:09 dusk 00:35 04:01 04:48 61 % 19:32
Fri, 04-Jul 21:21 22:08 dusk 00:47 04:02 04:49 70 % 20:13
Sat, 05-Jul 21:21 22:08 dusk 01:03 04:03 04:50 78 % 20:57 after dusk
Sun, 06-Jul 21:20 22:07 dusk 01:24 04:04 04:51 85 % 21:44 after dusk
Mon, 07-Jul 21:19 22:06 dusk 01:55 04:05 04:52 92 % 22:34 after dusk
Tue, 08-Jul 21:19 22:05 dusk 02:39 04:06 04:53 96 % 23:27 after dusk
Wed, 09-Jul 21:18 22:04 dusk 03:39 04:08 04:54 99 % 00:22 after dusk
Thu, 10-Jul 21:17 22:03 dusk dawn 04:09 04:55 100 % 01:17 all night
Fri, 11-Jul 21:16 22:02 22:16 dawn 04:10 04:56 99 % 02:10 before dawn
Sat, 12-Jul 21:16 22:01 22:36 dawn 04:12 04:57 95 % 03:00 before dawn
Sun, 13-Jul 21:15 22:00 22:52 dawn 04:13 04:58 90 % 03:49 before dawn
Mon, 14-Jul 21:14 21:59 23:04 dawn 04:14 05:00 82 % 04:35 before dawn
Tue, 15-Jul 21:13 21:58 23:16 dawn 04:16 05:01 73 % 05:22
Wed, 16-Jul 21:12 21:56 23:27 dawn 04:17 05:02 62 % 06:09
Thu, 17-Jul 21:11 21:55 23:40 dawn 04:19 05:03 51 % 06:58
Fri, 18-Jul 21:09 21:54 23:56 dawn 04:20 05:05 39 % 07:50
Sat, 19-Jul 21:08 21:52 00:17 dawn 04:22 05:06 29 % 08:47
Sun, 20-Jul 21:07 21:51 00:49 dawn 04:24 05:07 19 % 09:48
Mon, 21-Jul 21:06 21:49 01:36 dawn 04:25 05:09 11 % 10:52
Tue, 22-Jul 21:04 21:48 02:43 dawn 04:27 05:10 5 % 11:55
Wed, 23-Jul 21:03 21:46 04:28 05:11 1 %
Thu, 24-Jul 21:02 21:44 04:30 05:13 0 % 12:54
Fri, 25-Jul 21:00 21:43 dusk 21:45 04:32 05:14 2 % 13:49
Sat, 26-Jul 20:59 21:41 dusk 22:00 04:34 05:16 5 % 14:38
Sun, 27-Jul 20:57 21:39 dusk 22:12 04:35 05:17 11 % 15:24
Mon, 28-Jul 20:56 21:38 dusk 22:22 04:37 05:19 18 % 16:06
Tue, 29-Jul 20:54 21:36 dusk 22:31 04:39 05:20 26 % 16:47
Wed, 30-Jul 20:53 21:34 dusk 22:41 04:40 05:22 35 % 17:27
Thu, 31-Jul 20:51 21:32 dusk 22:53 04:42 05:23 45 % 18:08
Fri, 01-Aug 20:49 21:30 dusk 23:07 04:44 05:25 54 % 18:51
Sat, 02-Aug 20:48 21:28 dusk 23:26 04:46 05:26 64 % 19:37
Sun, 03-Aug 20:46 21:26 dusk 23:52 04:48 05:28 72 % 20:26
Mon, 04-Aug 20:44 21:24 dusk 00:30 04:49 05:29 81 % 21:17 after dusk
Tue, 05-Aug 20:42 21:22 dusk 01:24 04:51 05:31 88 % 22:11 after dusk
Wed, 06-Aug 20:41 21:20 dusk 02:32 04:53 05:33 94 % 23:06 after dusk
Thu, 07-Aug 20:39 21:18 dusk 03:52 04:55 05:34 98 % 00:01 after dusk
Fri, 08-Aug 20:37 21:16 dusk dawn 04:57 05:36 100 % 00:53 all night
Sat, 09-Aug 20:35 21:14 dusk dawn 04:58 05:37 99 % 01:43 all night
Sun, 10-Aug 20:33 21:12 dusk dawn 05:00 05:39 97 % 02:31 all night
Mon, 11-Aug 20:31 21:10 21:24 dawn 05:02 05:41 92 % 03:19 before dawn
Tue, 12-Aug 20:29 21:08 21:35 dawn 05:04 05:42 84 % 04:06 before dawn
Wed, 13-Aug 20:27 21:05 21:47 dawn 05:06 05:44 75 % 04:55 before dawn
Thu, 14-Aug 20:25 21:03 22:02 dawn 05:07 05:45 64 % 05:47
Fri, 15-Aug 20:23 21:01 22:22 dawn 05:09 05:47 53 % 06:42
Sat, 16-Aug 20:21 20:59 22:49 dawn 05:11 05:49 42 % 07:41
Sun, 17-Aug 20:19 20:57 23:30 dawn 05:13 05:50 31 % 08:43
Mon, 18-Aug 20:17 20:54 00:28 dawn 05:15 05:52 21 % 09:44
Tue, 19-Aug 20:15 20:52 01:44 dawn 05:16 05:53 12 % 10:44
Wed, 20-Aug 20:13 20:50 03:08 dawn 05:18 05:55 6 % 11:39
Thu, 21-Aug 20:11 20:48 05:20 05:57 2 %
Fri, 22-Aug 20:09 20:45 05:22 05:58 0 % 12:30
Sat, 23-Aug 20:07 20:43 05:24 06:00 1 % 13:17
Sun, 24-Aug 20:05 20:41 05:25 06:01 3 % 14:00
Mon, 25-Aug 20:02 20:38 dusk 20:39 05:27 06:03 7 % 14:42
Tue, 26-Aug 20:00 20:36 dusk 20:49 05:29 06:05 13 % 15:22
Wed, 27-Aug 19:58 20:34 dusk 20:59 05:31 06:06 21 % 16:03
Thu, 28-Aug 19:56 20:31 dusk 21:12 05:32 06:08 29 % 16:46
Fri, 29-Aug 19:54 20:29 dusk 21:29 05:34 06:10 38 % 17:30
Sat, 30-Aug 19:51 20:27 dusk 21:51 05:36 06:11 47 % 18:17
Sun, 31-Aug 19:49 20:24 dusk 22:24 05:38 06:13 57 % 19:07
Mon, 01-Sep 19:47 20:22 dusk 23:10 05:39 06:14 66 % 20:00
Tue, 02-Sep 19:45 20:20 dusk 00:11 05:41 06:16 75 % 20:54 after dusk
Wed, 03-Sep 19:42 20:17 dusk 01:26 05:43 06:18 83 % 21:48 after dusk
Thu, 04-Sep 19:40 20:15 dusk 02:49 05:45 06:19 91 % 22:41 after dusk
Fri, 05-Sep 19:38 20:12 dusk 04:15 05:46 06:21 96 % 23:32 after dusk
Sat, 06-Sep 19:36 20:10 dusk 05:41 05:48 06:22 99 % 00:22 after dusk
Sun, 07-Sep 19:33 20:08 dusk dawn 05:50 06:24 100 % 01:10 all night
Mon, 08-Sep 19:31 20:05 dusk dawn 05:51 06:26 98 % 01:59 all night
Tue, 09-Sep 19:29 20:03 dusk dawn 05:53 06:27 93 % 02:49 all night
Wed, 10-Sep 19:26 20:00 20:09 dawn 05:55 06:29 86 % 03:41 before dawn
Thu, 11-Sep 19:24 19:58 20:27 dawn 05:56 06:31 77 % 04:36 before dawn
Fri, 12-Sep 19:22 19:56 20:52 dawn 05:58 06:32 67 % 05:35
Sat, 13-Sep 19:19 19:53 21:28 dawn 06:00 06:34 56 % 06:37
Sun, 14-Sep 19:17 19:51 22:21 dawn 06:01 06:35 44 % 07:39
Mon, 15-Sep 19:15 19:49 23:31 dawn 06:03 06:37 33 % 08:38
Tue, 16-Sep 19:12 19:46 00:52 dawn 06:05 06:39 24 % 09:34
Wed, 17-Sep 19:10 19:44 02:16 dawn 06:06 06:40 15 % 10:26
Thu, 18-Sep 19:08 19:41 03:38 dawn 06:08 06:42 8 % 11:13
Fri, 19-Sep 19:05 19:39 04:57 dawn 06:10 06:43 4 % 11:56
Sat, 20-Sep 19:03 19:37 06:11 06:45 1 %
Sun, 21-Sep 19:01 19:34 06:13 06:47 0 % 12:38
Mon, 22-Sep 18:58 19:32 06:15 06:48 1 % 13:19
Tue, 23-Sep 18:56 19:30 06:16 06:50 4 % 14:00
Wed, 24-Sep 18:54 19:27 06:18 06:52 9 % 14:41
Thu, 25-Sep 18:51 19:25 dusk 19:34 06:20 06:53 15 % 15:25
Fri, 26-Sep 18:49 19:23 dusk 19:54 06:21 06:55 23 % 16:11
Sat, 27-Sep 18:47 19:20 dusk 20:22 06:23 06:57 31 % 17:00
Sun, 28-Sep 18:45 19:18 dusk 21:02 06:25 06:58 40 % 17:51
Mon, 29-Sep 18:42 19:16 dusk 21:56 06:26 07:00 50 % 18:43

Notes

  • The percentage of the moon which is illuminated doesn't vary much with location.
  • A full moon is not just bigger, it is much brighter. A quarter moon (1/2 disk visible) give less than 5% of the illumination of a full moon. You can walk with a quarter moon if its high in the sky (after dusk for a growing moon, before dawn for a shrinking moon).
  • Sky glow (light reflected by air or clouds) from nearby cities, and especially snow on the ground also effect light levels.
  • Times will vary a few minutes, as (i) these figures are for the centre of the county the walk is in, (ii) if there are hills on the horizon, and (iii) if you are on a hill
  • Sunlight is ~ 1,000,000 times brighter than moonlight.
  • Of course, you need a cloudless night as well!

Hertfordshire weather (Accuweather)

Now would be a good time for a cup of tea.