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.

Sunday
14th Jun
20

10

5

6
Monday
15th Jun
21

12

5

4
Tuesday
16th Jun
24

14

3

3
Wednesday
17th Jun
24

15

4

7
Thursday
18th Jun
28

14

6

7

5-day weather forecast updated at 04:03 on Saturday 13th June 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 14th June 2026

Expect broken clouds in Hertfordshire with a maximum temperature of 20°C, maximum UV of 6 (High) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 9 kph from the north-west.

20
°C maximum temperature
10
°C minimum temperature
broken clouds
5
hours of sunshine
6
UV index (High)
0
mm of rainfall expected
0
no heat & humidity
9
kph wind from NW

Hertfordshire weather for Monday 15th June 2026

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 14% chance of some rain and a light breeze of 11 kph from the south-east.

21
°C maximum temperature
12
°C minimum temperature
mostly cloudy with light rain
5
hours of sunshine
4
UV index (Moderate)
14
% chance of some rain
<2
mm of rainfall expected
0
no heat & humidity
11
kph wind from SE

Hertfordshire weather for Tuesday 16th June 2026

Expect broken clouds in Hertfordshire with a maximum temperature of 24°C, maximum UV of 3 (Moderate) and 3 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 15 kph from the south-west.

24
°C maximum temperature
14
°C minimum temperature
broken clouds
3
hours of sunshine
3
UV index (Moderate)
0
mm of rainfall expected
24
°C wind chill
15
kph wind from SW

Hertfordshire weather for Wednesday 17th June 2026

Expect broken clouds in Hertfordshire with a maximum temperature of 24°C, maximum UV of 7 (High) and 4 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 20 kph from the south-west.

24
°C maximum temperature
15
°C minimum temperature
broken clouds
4
hours of sunshine
7
UV index (High)
0
mm of rainfall expected
0
no heat & humidity
20
kph wind from SW

Hertfordshire weather for Thursday 18th June 2026

Expect broken clouds in Hertfordshire with a maximum temperature of 28°C, low levels of heat & humidity, maximum UV of 7 (High) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 9 kph from the west.