Hertfordshire weather live forecast

Today's maximum temperature in Hertfordshire is expected to be 21°C. Select a day from the live weather forecast for Hertfordshire (Watford), UK for more weather parameters.

Sunday
4th Oct
21

10

9

3
Monday
5th Oct
22

10

5

3
Tuesday
6th Oct
21

11

1

2
Wednesday
7th Oct
15

9

5

1
Thursday
8th Oct
16

7

8

2

5-day weather forecast updated at 04:03 on Sunday 4th October 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 4th October 2026

Expect scattered clouds in Hertfordshire with a maximum temperature of 21°C, maximum UV of 3 (Moderate) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 8 kph from the south-west.

21
°C maximum temperature
10
°C minimum temperature
scattered clouds
9
hours of sunshine
3
UV index (Moderate)
0
mm of rainfall expected
0
no heat & humidity
8
kph wind from SW

Hertfordshire weather for Monday 5th October 2026

Expect scattered clouds in Hertfordshire with a maximum temperature of 22°C, maximum UV of 3 (Moderate) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 11 kph from the south-west.

22
°C maximum temperature
10
°C minimum temperature
scattered clouds
5
hours of sunshine
3
UV index (Moderate)
0
mm of rainfall expected
22
°C wind chill
11
kph wind from SW

Hertfordshire weather for Tuesday 6th October 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 7 kph from the west.

21
°C maximum temperature
11
°C minimum temperature
broken clouds
1
hour of sunshine
2
UV index (Low)
0
mm of rainfall expected
21
°C wind chill
7
kph wind from W

Hertfordshire weather for Wednesday 7th October 2026

Expect mostly cloudy with rain in Hertfordshire with a maximum temperature of 15°C, maximum UV of 1 (Low) and 5 hours of bright sunshine. There are 5-10 mm of rainfall expected with 60% chance of some rain and a gentle breeze of 14 kph from the north.

15
°C maximum temperature
9
°C minimum temperature
mostly cloudy with rain
5
hours of sunshine
1
UV index (Low)
60
% chance of some rain
<10
mm of rainfall expected
0
no heat & humidity
14
kph wind from N

Hertfordshire weather for Thursday 8th October 2026

Expect scattered 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 gentle breeze of 13 kph from the north-west.