Hertfordshire weather live forecast

Today's maximum temperature in Hertfordshire is expected to be 14°C. Select a day from the live weather forecast for Hertfordshire (Watford), UK for more weather parameters.

Saturday
16th May
14

4

3

2
Sunday
17th May
15

8

3

4
Monday
18th May
14

6

4

3
Tuesday
19th May
15

9

2

3
Wednesday
20th May
18

10

5

4

5-day weather forecast updated at 04:03 on Saturday 16th 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 16th May 2026

Expect mostly cloudy with light rain in Hertfordshire with a maximum temperature of 14°C, maximum UV of 2 (Low) and 3 hours of bright sunshine. There are 0-2 mm of rainfall expected with 36% chance of some rain and a light breeze of 11 kph from the south-west.

14
°C maximum temperature
4
°C minimum temperature
mostly cloudy with light rain
3
hours of sunshine
2
UV index (Low)
36
% chance of some rain
<2
mm of rainfall expected
14
°C wind chill
11
kph wind from SW

Hertfordshire weather for Sunday 17th May 2026

Expect mostly cloudy with light rain in Hertfordshire with a maximum temperature of 15°C, maximum UV of 4 (Moderate) and 3 hours of bright sunshine. There are 0-2 mm of rainfall expected with 36% chance of some rain and a gentle breeze of 13 kph from the west.

15
°C maximum temperature
8
°C minimum temperature
mostly cloudy with light rain
3
hours of sunshine
4
UV index (Moderate)
36
% chance of some rain
<2
mm of rainfall expected
15
°C wind chill
13
kph wind from W

Hertfordshire weather for Monday 18th May 2026

Expect mostly cloudy with light rain in Hertfordshire with a maximum temperature of 14°C, maximum UV of 3 (Moderate) and 4 hours of bright sunshine. There are 0-2 mm of rainfall expected with 53% chance of some rain and a gentle breeze of 18 kph from the south-west.

14
°C maximum temperature
6
°C minimum temperature
mostly cloudy with light rain
4
hours of sunshine
3
UV index (Moderate)
53
% chance of some rain
<2
mm of rainfall expected
14
°C wind chill
18
kph wind from SW

Hertfordshire weather for Tuesday 19th May 2026

Expect mostly cloudy with rain in Hertfordshire with a maximum temperature of 15°C, maximum UV of 3 (Moderate) and 2 hours of bright sunshine. There are 5-10 mm of rainfall expected with 76% chance of some rain and a moderate breeze of 21 kph from the south-west.

15
°C maximum temperature
9
°C minimum temperature
mostly cloudy with rain
2
hours of sunshine
3
UV index (Moderate)
76
% chance of some rain
<10
mm of rainfall expected
0
no heat & humidity
21
kph wind from SW

Hertfordshire weather for Wednesday 20th May 2026

Expect mostly cloudy with light rain in Hertfordshire with a maximum temperature of 18°C, maximum UV of 4 (Moderate) and 5 hours of bright sunshine. There are 0-2 mm of rainfall expected with 39% chance of some rain and a moderate breeze of 24 kph from the south-west.