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.

Tuesday
26th Aug
25

15

5

4
Wednesday
27th Aug
21

14

3

3
Thursday
28th Aug
21

12

5

4
Friday
29th Aug
21

14

4

4
Saturday
30th Aug
21

13

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 25°C, 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 21 kph from the south-west.

25
°C maximum temperature
15
°C 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
25
°C wind chill
21
kph wind from SW

Hertfordshire weather for Wednesday 27th August 2025

Expect mostly cloudy with rain in Hertfordshire with a maximum temperature of 21°C, 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 27 kph from the south.

21
°C maximum temperature
14
°C 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
27
kph wind from S

Hertfordshire weather for Thursday 28th August 2025

Expect mostly cloudy with light rain in Hertfordshire with a maximum temperature of 21°C, 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 25 kph from the south-west.

21
°C maximum temperature
12
°C 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
21
°C wind chill
25
kph wind from SW

Hertfordshire weather for Friday 29th August 2025

Expect broken clouds in Hertfordshire with a maximum temperature of 21°C, maximum UV of 4 (Moderate) and 4 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 22 kph from the south-west.

21
°C maximum temperature
14
°C minimum temperature
broken clouds
4
hours of sunshine
4
UV index (Moderate)
0
mm of rainfall expected
0
no heat & humidity
22
kph wind from SW

Hertfordshire weather for Saturday 30th August 2025

Expect mostly cloudy with rain in Hertfordshire with a maximum temperature of 21°C, 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 25 kph from the south-west.