Hertfordshire weather live forecast

Today's maximum temperature in Hertfordshire is expected to be 77°F. Select a day from the live weather forecast for Hertfordshire (Watford), UK for more weather parameters.

Tuesday
26th Aug
77

59

5

4
Wednesday
27th Aug
70

57

3

3
Thursday
28th Aug
70

54

5

4
Friday
29th Aug
70

57

4

4
Saturday
30th Aug
70

55

5

2

5-day weather forecast updated at 04:04 on Tuesday 26th August 2025 GMT

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The 5-day weather forecast for Hertfordshire (Watford) is provided by the Swiss meteorological agency, meteoblue. Find out more about our data sources.

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Hertfordshire weather forecast by day

Below are the detailed weather forecasts for Hertfordshire for the next 5 days. The forecasts shown are for Watford and may not represent the whole of Hertfordshire. Browse more destinations in Hertfordshire to view more weather forecasts.

Hertfordshire weather for Tuesday 26th August 2025

Expect mostly cloudy with light rain in Hertfordshire with a maximum temperature of 77°F, maximum UV of 4 (Moderate) and 5 hours of bright sunshine. There are 0-2 mm of rainfall expected with 33% chance of some rain and a moderate breeze of 13 mph from the south-west.

77
°F maximum temperature
59
°F minimum temperature
mostly cloudy with light rain
5
hours of sunshine
4
UV index (Moderate)
33
% chance of some rain
<2
mm of rainfall expected
77
°F wind chill
13
mph wind from SW

Hertfordshire weather for Wednesday 27th August 2025

Expect mostly cloudy with rain in Hertfordshire with a maximum temperature of 70°F, maximum UV of 3 (Moderate) and 3 hours of bright sunshine. There are 5-10 mm of rainfall expected with 76% chance of some rain and a moderate breeze of 17 mph from the south.

70
°F maximum temperature
57
°F minimum temperature
mostly cloudy with rain
3
hours of sunshine
3
UV index (Moderate)
76
% chance of some rain
<10
mm of rainfall expected
0
no heat & humidity
17
mph wind from S

Hertfordshire weather for Thursday 28th August 2025

Expect mostly cloudy with light rain in Hertfordshire with a maximum temperature of 70°F, maximum UV of 4 (Moderate) and 5 hours of bright sunshine. There are 0-2 mm of rainfall expected with 53% chance of some rain and a moderate breeze of 16 mph from the south-west.

70
°F maximum temperature
54
°F minimum temperature
mostly cloudy with light rain
5
hours of sunshine
4
UV index (Moderate)
53
% chance of some rain
<2
mm of rainfall expected
70
°F wind chill
16
mph wind from SW

Hertfordshire weather for Friday 29th August 2025

Expect broken clouds in Hertfordshire with a maximum temperature of 70°F, maximum UV of 4 (Moderate) and 4 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 14 mph from the south-west.

70
°F maximum temperature
57
°F minimum temperature
broken clouds
4
hours of sunshine
4
UV index (Moderate)
0
mm of rainfall expected
0
no heat & humidity
14
mph wind from SW

Hertfordshire weather for Saturday 30th August 2025

Expect mostly cloudy with rain in Hertfordshire with a maximum temperature of 70°F, maximum UV of 2 (Low) and 5 hours of bright sunshine. There are 5-10 mm of rainfall expected with 81% chance of some rain and a moderate breeze of 16 mph from the south-west.