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
2nd May
20

7

3

4
Sunday
3rd May
23

9

5

4
Monday
4th May
25

10

5

4
Tuesday
5th May
21

11

1

2
Wednesday
6th May
19

8

1

2

5-day weather forecast updated at 04:03 on Saturday 2nd 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 2nd May 2026

Expect mostly cloudy with rain in Hertfordshire with a maximum temperature of 20°C, maximum UV of 4 (Moderate) and 3 hours of bright sunshine. There are 5-10 mm of rainfall expected with 89% chance of some rain and a light breeze of 9 kph from the south-west.

20
°C maximum temperature
7
°C minimum temperature
mostly cloudy with rain
3
hours of sunshine
4
UV index (Moderate)
89
% chance of some rain
<10
mm of rainfall expected
20
°C wind chill
9
kph wind from SW

Hertfordshire weather for Sunday 3rd May 2026

Expect isolated thunderstorms in Hertfordshire with a maximum temperature of 23°C, maximum UV of 4 (Moderate) and 5 hours of bright sunshine. There are 2-5 mm of rainfall expected with 56% chance of some rain and a gentle breeze of 13 kph from the south-west.

23
°C maximum temperature
9
°C minimum temperature
isolated thunderstorms
5
hours of sunshine
4
UV index (Moderate)
56
% chance of some rain
<5
mm of rainfall expected
23
°C wind chill
13
kph wind from SW

Hertfordshire weather for Monday 4th May 2026

Expect broken clouds in Hertfordshire with a maximum temperature of 25°C, maximum UV of 4 (Moderate) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 8 kph from the north.

25
°C maximum temperature
10
°C minimum temperature
broken clouds
5
hours of sunshine
4
UV index (Moderate)
0
mm of rainfall expected
25
°C wind chill
8
kph wind from N

Hertfordshire weather for Tuesday 5th May 2026

Expect broken clouds in Hertfordshire with a maximum temperature of 21°C, maximum UV of 2 (Low) and 1 hour of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 11 kph from the north-east.

21
°C maximum temperature
11
°C minimum temperature
broken clouds
1
hour of sunshine
2
UV index (Low)
0
mm of rainfall expected
0
no heat & humidity
11
kph wind from NE

Hertfordshire weather for Wednesday 6th May 2026

Expect broken clouds in Hertfordshire with a maximum temperature of 19°C, maximum UV of 2 (Low) and 1 hour of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 8 kph from the north.