Hertfordshire weather live forecast

Today's maximum temperature in Hertfordshire is expected to be 24°C. Select a day from the live weather forecast for Hertfordshire (Watford), UK for more weather parameters.

Sunday
26th Jul
24

16

5

4
Monday
27th Jul
26

14

14

6
Tuesday
28th Jul
29

17

9

6
Wednesday
29th Jul
33

18

13

6
Thursday
30th Jul
29

17

9

6

5-day weather forecast updated at 04:03 on Sunday 26th 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 Sunday 26th July 2026

Expect mostly cloudy with light rain in Hertfordshire with a maximum temperature of 24°C, maximum UV of 4 (Moderate) and 5 hours of bright sunshine. There are 0-2 mm of rainfall expected with 9% chance of some rain and a moderate breeze of 22 kph from the west.

24
°C maximum temperature
16
°C minimum temperature
mostly cloudy with light rain
5
hours of sunshine
4
UV index (Moderate)
9
% chance of some rain
<2
mm of rainfall expected
0
no heat & humidity
22
kph wind from W

Hertfordshire weather for Monday 27th July 2026

Expect clear skies in Hertfordshire with a maximum temperature of 26°C, maximum UV of 6 (High) and 14 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 15 kph from the west.

26
°C maximum temperature
14
°C minimum temperature
clear skies
14
hours of sunshine
6
UV index (High)
0
mm of rainfall expected
26
°C wind chill
15
kph wind from W

Hertfordshire weather for Tuesday 28th July 2026

Expect scattered clouds in Hertfordshire with a maximum temperature of 29°C, moderate levels of heat & humidity, maximum UV of 6 (High) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 14 kph from the south-west.

29
°C maximum temperature
17
°C minimum temperature
scattered clouds
9
hours of sunshine
6
UV index (High)
0
mm of rainfall expected
M
moderate heat & humidity
14
kph wind from SW

Hertfordshire weather for Wednesday 29th July 2026

Expect scattered clouds in Hertfordshire with a maximum temperature of 33°C, high levels of heat & humidity, maximum UV of 6 (High) and 13 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 13 kph from the south-west.

33
°C maximum temperature
18
°C minimum temperature
scattered clouds
13
hours of sunshine
6
UV index (High)
0
mm of rainfall expected
H
high heat & humidity
13
kph wind from SW

Hertfordshire weather for Thursday 30th July 2026

Expect broken clouds in Hertfordshire with a maximum temperature of 29°C, low levels of heat & humidity, maximum UV of 6 (High) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 15 kph from the west.