Hertfordshire weather live forecast

Today's maximum temperature in Hertfordshire is expected to be 84°F. Select a day from the live weather forecast for Hertfordshire (Watford), UK for more weather parameters.

Friday
15th Aug
84

61

10

6
Saturday
16th Aug
77

59

8

4
Sunday
17th Aug
79

55

11

6
Monday
18th Aug
79

59

5

4
Tuesday
19th Aug
79

57

4

5

5-day weather forecast updated at 04:04 on Friday 15th 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 Friday 15th August 2025

Expect scattered clouds in Hertfordshire with a maximum temperature of 84°F, moderate levels of heat & humidity, maximum UV of 6 (High) and 10 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 10 mph from the north.

84
°F maximum temperature
61
°F minimum temperature
scattered clouds
10
hours of sunshine
6
UV index (High)
0
mm of rainfall expected
M
moderate heat & humidity
10
mph wind from N

Hertfordshire weather for Saturday 16th August 2025

Expect broken clouds in Hertfordshire with a maximum temperature of 77°F, maximum UV of 4 (Moderate) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 11 mph from the north-east.

77
°F maximum temperature
59
°F minimum temperature
broken clouds
8
hours of sunshine
4
UV index (Moderate)
0
mm of rainfall expected
0
no heat & humidity
11
mph wind from NE

Hertfordshire weather for Sunday 17th August 2025

Expect scattered clouds in Hertfordshire with a maximum temperature of 79°F, maximum UV of 6 (High) and 11 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 9 mph from the east.

79
°F maximum temperature
55
°F minimum temperature
scattered clouds
11
hours of sunshine
6
UV index (High)
0
mm of rainfall expected
79
°F wind chill
9
mph wind from E

Hertfordshire weather for Monday 18th August 2025

Expect broken clouds in Hertfordshire with a maximum temperature of 79°F, maximum UV of 4 (Moderate) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 11 mph from the east.

79
°F maximum temperature
59
°F minimum temperature
broken clouds
5
hours of sunshine
4
UV index (Moderate)
0
mm of rainfall expected
79
°F wind chill
11
mph wind from E

Hertfordshire weather for Tuesday 19th August 2025

Expect broken clouds in Hertfordshire with a maximum temperature of 79°F, low levels of heat & humidity, maximum UV of 5 (Moderate) and 4 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 10 mph from the north-east.