Hertfordshire weather live forecast

Today's maximum temperature in Hertfordshire is expected to be 20°C. Select a day from the live weather forecast for Hertfordshire (Watford), UK for more weather parameters.

Saturday
9th May
20

8

9

4
Sunday
10th May
15

5

6

3
Monday
11th May
13

3

7

3
Tuesday
12th May
18

5

2

4
Wednesday
13th May
16

7

5

4

5-day weather forecast updated at 04:03 on Saturday 9th May 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 Saturday 9th May 2026

Expect scattered clouds in Hertfordshire with a maximum temperature of 20°C, maximum UV of 4 (Moderate) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 14 kph from the north-east.

20
°C maximum temperature
8
°C minimum temperature
scattered clouds
9
hours of sunshine
4
UV index (Moderate)
0
mm of rainfall expected
0
no heat & humidity
14
kph wind from NE

Hertfordshire weather for Sunday 10th May 2026

Expect broken clouds in Hertfordshire with a maximum temperature of 15°C, maximum UV of 3 (Moderate) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 21 kph from the north-east.

15
°C maximum temperature
5
°C minimum temperature
broken clouds
6
hours of sunshine
3
UV index (Moderate)
0
mm of rainfall expected
15
°C wind chill
21
kph wind from NE

Hertfordshire weather for Monday 11th May 2026

Expect broken clouds in Hertfordshire with a maximum temperature of 13°C, maximum UV of 3 (Moderate) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 25 kph from the north.

13
°C maximum temperature
3
°C minimum temperature
broken clouds
7
hours of sunshine
3
UV index (Moderate)
0
mm of rainfall expected
0
no heat & humidity
25
kph wind from N

Hertfordshire weather for Tuesday 12th May 2026

Expect broken clouds in Hertfordshire with a maximum temperature of 18°C, maximum UV of 4 (Moderate) and 2 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 18 kph from the west.

18
°C maximum temperature
5
°C minimum temperature
broken clouds
2
hours of sunshine
4
UV index (Moderate)
0
mm of rainfall expected
0
no heat & humidity
18
kph wind from W

Hertfordshire weather for Wednesday 13th May 2026

Expect mostly cloudy with light rain in Hertfordshire with a maximum temperature of 16°C, maximum UV of 4 (Moderate) and 5 hours of bright sunshine. There are 0-2 mm of rainfall expected with 46% chance of some rain and a moderate breeze of 21 kph from the west.