Hertfordshire weather live forecast

Tomorrow's maximum temperature in Hertfordshire is expected to be 86°F.

Saturday
12th Jul

86

66

14
Sunday
13th Jul

86

61

7
Monday
14th Jul

84

61

7
Tuesday
15th Jul

75

57

4
Wednesday
16th Jul

82

61

4

5-day weather forecast updated at 04:04 on Saturday 12th July 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 Saturday 12th July 2025

Expect clear skies in Hertfordshire with a maximum temperature of 86°F, moderate levels of heat & humidity, maximum UV of 7 (High) and 14 hours of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 2 mph from the north-east.

86
°F maximum temperature
66
°F minimum temperature
clear skies
14
hours of sunshine
7
UV index (High)
0
mm of rainfall expected
M
moderate heat & humidity
2
mph wind from NE

Hertfordshire weather for Sunday 13th July 2025

Expect broken clouds in Hertfordshire with a maximum temperature of 86°F, moderate levels of heat & humidity, maximum UV of 5 (Moderate) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 1 mph from the north-east.

86
°F maximum temperature
61
°F minimum temperature
broken clouds
7
hours of sunshine
5
UV index (Moderate)
0
mm of rainfall expected
M
moderate heat & humidity
1
mph wind from NE

Hertfordshire weather for Monday 14th July 2025

Expect broken clouds in Hertfordshire with a maximum temperature of 84°F, low levels of heat & humidity, maximum UV of 6 (High) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 4 mph from the west.

84
°F maximum temperature
61
°F minimum temperature
broken clouds
7
hours of sunshine
6
UV index (High)
0
mm of rainfall expected
L
low heat & humidity
4
mph wind from W

Hertfordshire weather for Tuesday 15th July 2025

Expect broken clouds in Hertfordshire with a maximum temperature of 75°F, maximum UV of 5 (Moderate) and 4 hours of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 3 mph from the west.

75
°F maximum temperature
57
°F minimum temperature
broken clouds
4
hours of sunshine
5
UV index (Moderate)
0
mm of rainfall expected
0
no heat & humidity
3
mph wind from W

Hertfordshire weather for Wednesday 16th July 2025

Expect mostly cloudy with rain in Hertfordshire with a maximum temperature of 82°F, low levels of heat & humidity, maximum UV of 4 (Moderate) and 4 hours of bright sunshine. There are 5-10 mm of rainfall expected with 43% chance of some rain and little or no wind of 3 mph from the south-west.