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
3rd Oct
18

14

2

1
Saturday
4th Oct
15

9

4

2
Sunday
5th Oct
16

8

0

2
Monday
6th Oct
19

11

3

2
Tuesday
7th Oct
19

11

1

1

5-day weather forecast updated at 04:03 on Thursday 2nd October 2025 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 3rd October 2025

Expect mostly cloudy with rain in Hertfordshire with a maximum temperature of 18°C, maximum UV of 1 (Low) and 2 hours of bright sunshine. There are 10-20 mm of rainfall expected with 78% chance of some rain and a moderate breeze of 28 kph from the south-west.

18
°C maximum temperature
14
°C minimum temperature
mostly cloudy with rain
2
hours of sunshine
1
UV index (Low)
78
% chance of some rain
<20
mm of rainfall expected
0
no heat & humidity
28
kph wind from SW

Hertfordshire weather for Saturday 4th October 2025

Expect mostly cloudy with light rain in Hertfordshire with a maximum temperature of 15°C, maximum UV of 2 (Low) and 4 hours of bright sunshine. There are 2-5 mm of rainfall expected with 45% chance of some rain and a fresh breeze of 34 kph from the west.

15
°C maximum temperature
9
°C minimum temperature
mostly cloudy with light rain
4
hours of sunshine
2
UV index (Low)
45
% chance of some rain
<5
mm of rainfall expected
0
no heat & humidity
34
kph wind from W

Hertfordshire weather for Sunday 5th October 2025

Expect broken clouds in Hertfordshire with a maximum temperature of 16°C, maximum UV of 2 (Low) and no hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 22 kph from the west.

16
°C maximum temperature
8
°C minimum temperature
broken clouds
0
hours of sunshine
2
UV index (Low)
0
mm of rainfall expected
16
°C wind chill
22
kph wind from W

Hertfordshire weather for Monday 6th October 2025

Expect broken clouds in Hertfordshire with a maximum temperature of 19°C, maximum UV of 2 (Low) and 3 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 28 kph from the south-west.

19
°C maximum temperature
11
°C minimum temperature
broken clouds
3
hours of sunshine
2
UV index (Low)
0
mm of rainfall expected
0
no heat & humidity
28
kph wind from SW

Hertfordshire weather for Tuesday 7th October 2025

Expect mostly cloudy with light rain in Hertfordshire with a maximum temperature of 19°C, maximum UV of 1 (Low) and 1 hour of bright sunshine. There are 0-2 mm of rainfall expected with 22% chance of some rain and a moderate breeze of 21 kph from the west.