Hertfordshire weather live forecast

Today's maximum temperature in Hertfordshire is expected to be 18°C. Select a day from the live weather forecast for Hertfordshire (Watford), UK for more weather parameters.

Friday
17th Apr
18

10

2

3
Saturday
18th Apr
16

8

8

2
Sunday
19th Apr
15

5

9

3
Monday
20th Apr
14

4

5

2
Tuesday
21st Apr
13

5

2

3

5-day weather forecast updated at 04:13 on Friday 17th April 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 17th April 2026

Expect broken clouds in Hertfordshire with a maximum temperature of 18°C, maximum UV of 3 (Moderate) and 2 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 17 kph from the south-west.

18
°C maximum temperature
10
°C minimum temperature
broken clouds
2
hours of sunshine
3
UV index (Moderate)
0
mm of rainfall expected
18
°C wind chill
17
kph wind from SW

Hertfordshire weather for Saturday 18th April 2026

Expect broken clouds in Hertfordshire with a maximum temperature of 16°C, maximum UV of 2 (Low) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 12 kph from the west.

16
°C maximum temperature
8
°C minimum temperature
broken clouds
8
hours of sunshine
2
UV index (Low)
0
mm of rainfall expected
16
°C wind chill
12
kph wind from W

Hertfordshire weather for Sunday 19th April 2026

Expect scattered clouds in Hertfordshire with a maximum temperature of 15°C, maximum UV of 3 (Moderate) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 18 kph from the north.

15
°C maximum temperature
5
°C minimum temperature
scattered clouds
9
hours of sunshine
3
UV index (Moderate)
0
mm of rainfall expected
0
no heat & humidity
18
kph wind from N

Hertfordshire weather for Monday 20th April 2026

Expect broken clouds in Hertfordshire with a maximum temperature of 14°C, maximum UV of 2 (Low) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 14 kph from the north.

14
°C maximum temperature
4
°C minimum temperature
broken clouds
5
hours of sunshine
2
UV index (Low)
0
mm of rainfall expected
14
°C wind chill
14
kph wind from N

Hertfordshire weather for Tuesday 21st April 2026

Expect broken clouds in Hertfordshire with a maximum temperature of 13°C, maximum UV of 3 (Moderate) and 2 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 15 kph from the north-east.