West Sussex weather live forecast

Today's maximum temperature in West Sussex is expected to be 25°C. Select a day from the live weather forecast for West Sussex (Bognor Regis), UK for more weather parameters.

Tuesday
18th Aug
25

18

3

4
Wednesday
19th Aug
21

16

5

5
Thursday
20th Aug
22

15

7

5
Friday
21st Aug
22

12

1

4
Saturday
22nd Aug
23

12

6

5

5-day weather forecast updated at 04:03 on Tuesday 18th August 2026 GMT

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Destination

The 5-day weather forecast for West Sussex (Bognor Regis) is provided by the Swiss meteorological agency, meteoblue. Find out more about our data sources.

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West Sussex weather forecast by day

Below are the detailed weather forecasts for West Sussex for the next 5 days. The forecasts shown are for Bognor Regis and may not represent the whole of West Sussex. Browse more destinations in West Sussex to view more weather forecasts.

West Sussex weather for Tuesday 18th August 2026

Expect broken clouds in West Sussex with a maximum temperature of 25°C, maximum UV of 4 (Moderate) and 3 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 24 kph from the west.

25
°C maximum temperature
18
°C minimum temperature
broken clouds
3
hours of sunshine
4
UV index (Moderate)
0
mm of rainfall expected
0
no heat & humidity
24
kph wind from W

West Sussex weather for Wednesday 19th August 2026

Expect mostly cloudy with light rain in West Sussex with a maximum temperature of 21°C, maximum UV of 5 (Moderate) and 5 hours of bright sunshine. There are 2-5 mm of rainfall expected with 46% chance of some rain and a moderate breeze of 25 kph from the west.

21
°C maximum temperature
16
°C minimum temperature
mostly cloudy with light rain
5
hours of sunshine
5
UV index (Moderate)
46
% chance of some rain
<5
mm of rainfall expected
0
no heat & humidity
25
kph wind from W

West Sussex weather for Thursday 20th August 2026

Expect sunshine and showers in West Sussex with a maximum temperature of 22°C, maximum UV of 5 (Moderate) and 7 hours of bright sunshine. There are 2-5 mm of rainfall expected with 54% chance of some rain and a moderate breeze of 24 kph from the west.

22
°C maximum temperature
15
°C minimum temperature
sunshine and showers
7
hours of sunshine
5
UV index (Moderate)
54
% chance of some rain
<5
mm of rainfall expected
0
no heat & humidity
24
kph wind from W

West Sussex weather for Friday 21st August 2026

Expect mostly cloudy with light rain in West Sussex with a maximum temperature of 22°C, maximum UV of 4 (Moderate) and 1 hour of bright sunshine. There are 0-2 mm of rainfall expected with 33% chance of some rain and a gentle breeze of 15 kph from the north.

22
°C maximum temperature
12
°C minimum temperature
mostly cloudy with light rain
1
hour of sunshine
4
UV index (Moderate)
33
% chance of some rain
<2
mm of rainfall expected
0
no heat & humidity
15
kph wind from N

West Sussex weather for Saturday 22nd August 2026

Expect sunshine and showers in West Sussex with a maximum temperature of 23°C, maximum UV of 5 (Moderate) and 6 hours of bright sunshine. There are 0-2 mm of rainfall expected with 19% chance of some rain and a gentle breeze of 17 kph from the north-east.