Hertfordshire weather live forecast

Today's maximum temperature in Hertfordshire is expected to be 25°C. Select a day from the live weather forecast for Hertfordshire (Watford), UK for more weather parameters.

Monday
20th Jul
25

11

7

6
Tuesday
21st Jul
24

15

6

6
Wednesday
22nd Jul
25

15

6

5
Thursday
23rd Jul
25

14

6

5
Friday
24th Jul
27

16

5

6

5-day weather forecast updated at 04:04 on Monday 20th July 2026 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 Monday 20th July 2026

Expect broken clouds in Hertfordshire with a maximum temperature of 25°C, maximum UV of 6 (High) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 10 kph from the north.

25
°C maximum temperature
11
°C minimum temperature
broken clouds
7
hours of sunshine
6
UV index (High)
0
mm of rainfall expected
0
no heat & humidity
10
kph wind from N

Hertfordshire weather for Tuesday 21st July 2026

Expect broken clouds in Hertfordshire with a maximum temperature of 24°C, maximum UV of 6 (High) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 10 kph from the north.

24
°C maximum temperature
15
°C minimum temperature
broken clouds
6
hours of sunshine
6
UV index (High)
0
mm of rainfall expected
0
no heat & humidity
10
kph wind from N

Hertfordshire weather for Wednesday 22nd July 2026

Expect broken clouds in Hertfordshire with a maximum temperature of 25°C, maximum UV of 5 (Moderate) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 13 kph from the north.

25
°C maximum temperature
15
°C minimum temperature
broken clouds
6
hours of sunshine
5
UV index (Moderate)
0
mm of rainfall expected
0
no heat & humidity
13
kph wind from N

Hertfordshire weather for Thursday 23rd July 2026

Expect broken clouds in Hertfordshire with a maximum temperature of 25°C, maximum UV of 5 (Moderate) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 9 kph from the north-east.

25
°C maximum temperature
14
°C minimum temperature
broken clouds
6
hours of sunshine
5
UV index (Moderate)
0
mm of rainfall expected
25
°C wind chill
9
kph wind from NE

Hertfordshire weather for Friday 24th July 2026

Expect broken clouds in Hertfordshire with a maximum temperature of 27°C, low levels of heat & humidity, maximum UV of 6 (High) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 10 kph from the west.