Hertfordshire weather live forecast

Today's maximum temperature in Hertfordshire is expected to be 33°C. Select a day from the live weather forecast for Hertfordshire (Watford), UK for more weather parameters.

Friday
26th Jun
33

23

12

7
Saturday
27th Jun
30

21

6

7
Sunday
28th Jun
25

15

6

6
Monday
29th Jun
23

13

7

6
Tuesday
30th Jun
25

16

2

6

5-day weather forecast updated at 04:03 on Friday 26th 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 Friday 26th June 2026

Expect isolated thunderstorms in Hertfordshire with a maximum temperature of 33°C, high levels of heat & humidity, maximum UV of 7 (High) and 12 hours of bright sunshine. There are 2-5 mm of rainfall expected with 3% chance of some rain and a gentle breeze of 16 kph from the south-west.

33
°C maximum temperature
23
°C minimum temperature
isolated thunderstorms
12
hours of sunshine
7
UV index (High)
3
% chance of some rain
<5
mm of rainfall expected
H
high heat & humidity
16
kph wind from SW

Hertfordshire weather for Saturday 27th June 2026

Expect broken clouds in Hertfordshire with a maximum temperature of 30°C, moderate levels of heat & humidity, maximum UV of 7 (High) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 13 kph from the south-west.

30
°C maximum temperature
21
°C minimum temperature
broken clouds
6
hours of sunshine
7
UV index (High)
0
mm of rainfall expected
M
moderate heat & humidity
13
kph wind from SW

Hertfordshire weather for Sunday 28th June 2026

Expect broken clouds in Hertfordshire with a maximum temperature of 25°C, maximum UV of 6 (High) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 20 kph from the south-west.

25
°C maximum temperature
15
°C minimum temperature
broken clouds
6
hours of sunshine
6
UV index (High)
0
mm of rainfall expected
25
°C wind chill
20
kph wind from SW

Hertfordshire weather for Monday 29th June 2026

Expect broken clouds in Hertfordshire with a maximum temperature of 23°C, maximum UV of 6 (High) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 14 kph from the west.

23
°C maximum temperature
13
°C minimum temperature
broken clouds
7
hours of sunshine
6
UV index (High)
0
mm of rainfall expected
0
no heat & humidity
14
kph wind from W

Hertfordshire weather for Tuesday 30th June 2026

Expect broken clouds in Hertfordshire with a maximum temperature of 25°C, maximum UV of 6 (High) and 2 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 11 kph from the north-west.