Radlett (Hertfordshire) weather

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Forecast days

Sun 12 Apr

Maximum daytime temperature: 14° Celsius; Minimum nighttime temperature: 3° Celsius;

Sunrise: 06:12

Sunset: 19:53

Light showers changing to partly cloudy by nighttime.

M UV

L Pollution

H Pollen

Sun 12 Apr

Maximum daytime temperature: 14 degrees Celsius; Minimum nighttime temperature: 3 degrees Celsius;
Mon 13 Apr

Maximum daytime temperature: 14° Celsius; Minimum nighttime temperature: 4° Celsius;

Sunrise: 06:10

Sunset: 19:55

Sunny intervals changing to cloudy by lunchtime.

M UV

L Pollution

H Pollen

Mon 13 Apr

Maximum daytime temperature: 14 degrees Celsius; Minimum nighttime temperature: 4 degrees Celsius;
Tue 14 Apr

Maximum daytime temperature: 16° Celsius; Minimum nighttime temperature: 10° Celsius;

Sunrise: 06:08

Sunset: 19:56

Sunny changing to cloudy in the afternoon.

M UV

L Pollution

H Pollen

Tue 14 Apr

Maximum daytime temperature: 16 degrees Celsius; Minimum nighttime temperature: 10 degrees Celsius;
Wed 15 Apr

Maximum daytime temperature: 17° Celsius; Minimum nighttime temperature: 9° Celsius;

Sunrise: 06:06

Sunset: 19:58

Overcast.

M UV

L Pollution

H Pollen

Wed 15 Apr

Maximum daytime temperature: 17 degrees Celsius; Minimum nighttime temperature: 9 degrees Celsius;
Thu 16 Apr

Maximum daytime temperature: 18° Celsius; Minimum nighttime temperature: 8° Celsius;

Sunrise: 06:04

Sunset: 20:00

Sunny intervals changing to partly cloudy by nighttime.

M UV

L Pollution

H Pollen

Thu 16 Apr

Maximum daytime temperature: 18 degrees Celsius; Minimum nighttime temperature: 8 degrees Celsius;
Fri 17 Apr

Maximum daytime temperature: 18° Celsius; Minimum nighttime temperature: 9° Celsius;

Sunrise: 06:01

Sunset: 20:01

Sunny intervals changing to partly cloudy by early evening.

M UV

No pollution data.

No pollen data.

Fri 17 Apr

Maximum daytime temperature: 18 degrees Celsius; Minimum nighttime temperature: 9 degrees Celsius;
Sat 18 Apr

Maximum daytime temperature: 19° Celsius; Minimum nighttime temperature: 8° Celsius;

Sunrise: 05:59

Sunset: 20:03

Sunny intervals.

M UV

No pollution data.

No pollen data.

Sat 18 Apr

Maximum daytime temperature: 19 degrees Celsius; Minimum nighttime temperature: 8 degrees Celsius;

Light showers changing to partly cloudy by nighttime.

Sunrise: 06:12

Sunset: 19:53

M UV

L Pollution

H Pollen

7 day forecast for Radlett

Today (12 April 2026)

Time	15:00	16:00	17:00	18:00	19:00	20:00	21:00	22:00	23:00
Weather symbols
Chance of precipitation	60%	60%	90%	80%	80%	70%	50%	30%	20%
Temperature (°C)	14°	13°	12°	11°	10°	9°	9°	8°	8°
Feels like temperature (°C)	11°	11°	10°	9°	9°	8°	7°	7°	6°
Wind direction and speed (mph)	SW 13	SW 12	SW 11	SW 10	SW 8	SW 6	SW 6	SSW 5	SW 5
Wind gust (mph)	28	27	26	22	17	14	13	10	9
Visibility (description)	VG	VG	VG	VG	VG	VG	VG	VG	VG
Humidity	52%	55%	59%	71%	74%	80%	83%	84%	85%
UV	2	2	1	1	1	-	-	-	-

Monday (13 April 2026)

Time	00:00	01:00	02:00	03:00	04:00	05:00	06:00	07:00	08:00	09:00	10:00	11:00	12:00	13:00	14:00	15:00	16:00	17:00	18:00	19:00	20:00	21:00	22:00	23:00
Weather symbols
Chance of precipitation	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	10%	30%	50%	50%	40%	40%	40%	30%	20%	10%	10%	<5%	<5%
Temperature (°C)	7°	6°	6°	5°	5°	4°	4°	5°	7°	8°	10°	11°	12°	12°	12°	12°	13°	13°	13°	12°	10°	9°	8°	8°
Feels like temperature (°C)	5°	5°	5°	4°	3°	3°	3°	4°	6°	8°	9°	10°	11°	11°	11°	11°	11°	11°	11°	11°	9°	8°	7°	6°
Wind direction and speed (mph)	SSW 5	SSW 4	SSW 4	SSW 4	SW 4	SW 3	SSW 3	SSW 2	SW 2	SW 2	SSW 3	SSW 4	SSW 4	SW 5	WSW 5	W 5	WSW 6	WSW 6	WSW 6	W 6	SW 5	SSW 5	SSW 6	SSW 6
Wind gust (mph)	8	8	7	7	6	6	5	5	6	8	11	12	13	15	15	15	15	16	13	11	9	10	11	10
Visibility (description)	G	M	M	M	P	P	P	P	M	G	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG
Humidity	89%	91%	92%	94%	95%	96%	96%	96%	88%	80%	71%	63%	55%	50%	46%	46%	44%	45%	46%	54%	65%	69%	70%	75%
UV	-	-	-	-	-	-	1	1	1	2	3	4	4	4	3	2	1	1	1	1	-	-	-	-

Tuesday (14 April 2026)

Time	00:00	01:00	02:00	03:00	04:00	05:00	06:00	07:00	08:00	09:00	10:00	11:00	12:00	13:00	14:00	15:00	16:00	17:00	18:00	19:00	20:00	21:00	22:00	23:00
Weather symbols
Chance of precipitation	<5%	10%	<5%	<5%	<5%	<5%	<5%	10%	10%	10%	10%	10%	10%	10%	10%	10%	10%	10%	20%	20%	20%	20%	30%	30%
Temperature (°C)	7°	6°	6°	5°	5°	5°	5°	6°	8°	10°	11°	13°	14°	15°	15°	15°	15°	15°	14°	14°	13°	13°	12°	12°
Feels like temperature (°C)	5°	4°	4°	3°	3°	3°	3°	4°	6°	8°	9°	11°	12°	12°	12°	12°	12°	12°	12°	12°	11°	11°	10°	10°
Wind direction and speed (mph)	SSW 5	SSW 5	SSW 5	S 5	SSW 5	S 5	S 5	SSE 5	S 6	S 7	S 9	S 11	S 12	S 13	SSW 13	SSW 13	SSW 13	SSW 12	SSW 12	S 11	S 10	S 10	S 9	S 9
Wind gust (mph)	10	9	8	8	8	8	8	10	14	19	23	25	25	25	26	26	25	23	21	20	18	17	17	17
Visibility (description)	VG	VG	G	G	G	M	M	M	G	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG
Humidity	79%	84%	85%	87%	89%	89%	90%	87%	81%	75%	66%	56%	48%	45%	44%	46%	51%	54%	61%	64%	67%	66%	67%	70%
UV	-	-	-	-	-	-	1	1	1	2	3	4	4	4	3	2	2	1	1	1	-	-	-	-

Wednesday (15 April 2026)

Time	00:00	01:00	02:00	03:00	04:00	05:00	06:00	07:00	08:00	09:00	10:00	11:00	12:00	13:00	14:00	15:00	16:00	17:00	18:00	19:00	20:00	21:00	22:00	23:00
Weather symbols
Chance of precipitation	30%	30%	30%	30%	30%	30%	20%	30%	20%	20%	20%	30%	30%	30%	20%	20%	20%	20%	30%	30%	20%	20%	20%	20%
Temperature (°C)	12°	12°	11°	11°	11°	11°	11°	11°	12°	13°	14°	15°	15°	15°	15°	16°	16°	16°	16°	15°	14°	14°	13°	12°
Feels like temperature (°C)	10°	10°	10°	9°	9°	9°	9°	9°	9°	10°	11°	12°	13°	13°	13°	13°	14°	14°	14°	13°	12°	12°	11°	11°
Wind direction and speed (mph)	S 10	S 10	S 10	S 10	S 10	S 10	S 10	S 10	S 11	S 12	S 13	S 13	S 14	SSW 13	SSW 13	SSW 13	SSW 13	SSW 13	SSW 12	SSW 11	SSW 11	SSW 10	SSW 9	SSW 8
Wind gust (mph)	17	17	17	17	17	17	18	19	21	23	25	26	26	27	26	26	25	24	22	21	19	18	17	16
Visibility (description)	VG	G	G	G	G	G	M	M	G	G	G	G	G	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG
Humidity	72%	75%	81%	82%	85%	87%	90%	89%	87%	85%	81%	80%	83%	84%	81%	76%	74%	73%	72%	76%	83%	87%	87%	89%
UV	-	-	-	-	-	-	1	1	1	1	2	2	2	3	2	2	2	1	1	1	-	-	-	-

Thursday (16 April 2026)

Time	00:00	01:00	02:00	03:00	04:00	05:00	06:00	07:00	08:00	09:00	10:00	11:00	12:00	13:00	14:00	15:00	16:00	17:00	18:00	19:00	20:00	21:00	22:00	23:00
Weather symbols
Chance of precipitation	10%	10%	10%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	10%	10%	10%	20%	20%	20%	20%	10%	10%	10%	10%	10%	<5%
Temperature (°C)	12°	11°	11°	10°	10°	10°	9°	10°	10°	12°	13°	15°	16°	17°	17°	17°	17°	17°	17°	16°	14°	13°	13°	12°
Feels like temperature (°C)	10°	10°	9°	9°	8°	8°	8°	8°	9°	10°	12°	13°	14°	15°	15°	15°	16°	16°	15°	15°	13°	13°	12°	11°
Wind direction and speed (mph)	SSW 8	SSW 8	SW 8	SSW 7	SSW 7	SSW 7	SSW 6	SSW 7	SW 7	SW 8	SW 8	SW 8	SW 8	SW 8	SW 8	WSW 8	WSW 7	WSW 7	WSW 7	WSW 6	WSW 5	SW 5	SW 5	SW 5
Wind gust (mph)	14	13	12	12	12	12	12	14	15	17	17	18	19	18	18	17	17	15	13	11	10	10	9	8
Visibility (description)	G	G	G	M	M	M	M	M	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	G
Humidity	90%	92%	92%	93%	94%	94%	95%	93%	90%	85%	75%	64%	56%	52%	50%	49%	48%	49%	52%	58%	65%	69%	73%	77%
UV	-	-	-	-	-	-	1	1	1	2	3	3	4	4	3	2	2	1	1	1	-	-	-	-

Friday (17 April 2026)

Time	00:00	01:00	04:00	07:00	10:00	13:00	16:00	19:00	22:00
Weather symbols
Chance of precipitation	<5%	<5%	<5%	<5%	<5%	10%	10%	<5%	10%
Temperature (°C)	11°	10°	9°	9°	13°	16°	17°	17°	14°
Feels like temperature (°C)	10°	10°	8°	9°	12°	15°	16°	15°	13°
Wind direction and speed (mph)	SSW 4	SSW 4	SSW 3	S 3	SSE 4	SSE 6	SSE 6	SSE 6	SSE 6
Wind gust (mph)	7	8	7	10	14	15	15	14	12
Visibility (description)	G	M	M	M	G	G	G	VG	VG
Humidity	81%	84%	89%	91%	75%	55%	46%	53%	62%
UV	-	-	-	1	3	4	2	1	-

Saturday (18 April 2026)

Time	01:00	04:00	07:00	10:00	13:00	16:00	19:00	22:00
Weather symbols
Chance of precipitation	10%	20%	20%	10%	20%	20%	20%	10%
Temperature (°C)	12°	10°	10°	14°	17°	18°	17°	14°
Feels like temperature (°C)	11°	10°	9°	13°	16°	17°	15°	13°
Wind direction and speed (mph)	SE 5	SE 4	SSE 4	WSW 6	WSW 6	WSW 7	WNW 7	NW 6
Wind gust (mph)	10	10	13	16	17	17	16	14
Visibility (description)	VG	G	M	G	G	G	G	G
Humidity	71%	80%	85%	74%	56%	48%	54%	62%
UV	-	-	1	3	4	2	1	-

UK video forecast

Radlett weather map

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WARNING

Flood warnings

Flood warnings may be in force for:

England	Environment Agency

East of England weather forecast

Headline:

Sunny spells and showers. Risk of hail and thunder.

This Evening and Tonight:

Any daytime showers will gradually ease to leave a dry night, with prolonged clear spells. Winds easing, and turning locally chilly, with a patchy frost forming in prone rural spots. Minimum temperature 3 °C.

Monday:

After a bright and chilly start, the clouds will begin to bubble up to give sunny spells and showers, locally heavy, into the afternoon. Light winds. Maximum temperature 14 °C.

Outlook for Tuesday to Thursday:

Dry with sunny spells Tuesday, after another chilly start. Breezier on Wednesday, cloud and outbreaks of rain moving erratically east. Sunny spells and isolated showers Thursday. Temperatures above normal.

Updated: 16:00 (UTC+1) on Sun 12 Apr 2026

UK long range weather forecast

Changeable at the start of this period with low pressure to the west or northwest of the UK. This will bring showers or longer spells of rain at times, heaviest and most persistent in the northwest, together with some strong winds. The southeast is likely to be driest and brightest. Later in this period, conditions may become drier and more settled, perhaps more especially in the north or northwest, with the south possibly becoming the focus for showers or longer spells of rain. Temperatures will likely be near or slightly above average overall.

Updated: 13:00 (UTC+1) on Sun 12 Apr 2026

The dominant pattern during this period is most likely to be high pressure (or higher than average pressure) to the north and lower pressure to the south. This will probably lead to drier and more settled than normal weather in the north or northwest of the UK, with the south and possibly east more unsettled and wetter than normal. Temperatures will probably be close to or slightly above average overall.

Updated: 14:00 (UTC+1) on Sun 12 Apr 2026

Radlett (Hertfordshire) weather

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Forecast days

Sun 12 Apr

Sun 12 Apr

Mon 13 Apr

Mon 13 Apr

Tue 14 Apr

Tue 14 Apr

Wed 15 Apr

Wed 15 Apr

Thu 16 Apr

Thu 16 Apr

Fri 17 Apr

Fri 17 Apr

Sat 18 Apr

Sat 18 Apr

7 day forecast for Radlett

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UK video forecast

East of England weather forecast

Headline:

This Evening and Tonight:

Monday:

Outlook for Tuesday to Thursday:

UK long range weather forecast

Nearest forecasts

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Red sky at night and other weather lore

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Radlett (Hertfordshire) weather

Find a forecast

Forecast days

Sun 12 Apr

Sun 12 Apr

Mon 13 Apr

Mon 13 Apr

Tue 14 Apr

Tue 14 Apr

Wed 15 Apr

Wed 15 Apr

Thu 16 Apr

Thu 16 Apr

Fri 17 Apr

Fri 17 Apr

Sat 18 Apr

Sat 18 Apr

7 day forecast for Radlett

UK video forecast

East of England weather forecast

Sunday 12 Apr - Thursday 16 Apr

Headline:

This Evening and Tonight:

Monday:

Outlook for Tuesday to Thursday:

UK long range weather forecast

Friday 17 Apr - Sunday 26 Apr

Monday 27 Apr - Monday 11 May

Nearest forecasts

More from the Met Office

Causes of climate change

Bringing data to life - lesson plan

What is a waving front?

Red sky at night and other weather lore

Careers in weather and climate

5 tips for staying safe in snow