West Sussex weather live forecast

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

Friday
11th Sep
21

15

6

3
Saturday
12th Sep
21

13

6

4
Sunday
13th Sep
21

17

2

4
Monday
14th Sep
24

16

4

4
Tuesday
15th Sep
24

15

6

4

5-day weather forecast updated at 04:03 on Thursday 10th September 2026 GMT

More about West Sussex

West Sussex by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Recommended for West Sussex

Spabreaks.com promo code: 8% off bookings & vouchers

Exclusive

Save 8% on spa breaks, spa days & gift vouchers
Check out latest offers on over 550 spas across the UK
A guaranteed experience to suit your budget & occasion

Show discount code

******SB8

Redeem Spabreaks.com discount code >>

Expires at 23:59 on Thursday 31st Dec 2026 · View all Spabreaks.com offers

Spa break finder

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.

Top West Sussex destinations

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 Friday 11th September 2026

Expect sunshine and showers in West Sussex with a maximum temperature of 21°C, maximum UV of 3 (Moderate) and 6 hours of bright sunshine. There are 0-2 mm of rainfall expected with 12% chance of some rain and a moderate breeze of 26 kph from the west.

21
°C maximum temperature
15
°C minimum temperature
sunshine and showers
6
hours of sunshine
3
UV index (Moderate)
12
% chance of some rain
<2
mm of rainfall expected
0
no heat & humidity
26
kph wind from W

West Sussex weather for Saturday 12th September 2026

Expect sunshine and showers in West Sussex with a maximum temperature of 21°C, maximum UV of 4 (Moderate) and 6 hours of bright sunshine. There are 0-2 mm of rainfall expected with 25% chance of some rain and a moderate breeze of 25 kph from the south-west.

21
°C maximum temperature
13
°C minimum temperature
sunshine and showers
6
hours of sunshine
4
UV index (Moderate)
25
% chance of some rain
<2
mm of rainfall expected
0
no heat & humidity
25
kph wind from SW

West Sussex weather for Sunday 13th September 2026

Expect mostly cloudy with light rain in West Sussex with a maximum temperature of 21°C, maximum UV of 4 (Moderate) and 2 hours of bright sunshine. There are 0-2 mm of rainfall expected with 25% chance of some rain and a moderate breeze of 20 kph from the west.

21
°C maximum temperature
17
°C minimum temperature
mostly cloudy with light rain
2
hours of sunshine
4
UV index (Moderate)
25
% chance of some rain
<2
mm of rainfall expected
21
°C wind chill
20
kph wind from W

West Sussex weather for Monday 14th September 2026

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

24
°C maximum temperature
16
°C minimum temperature
broken clouds
4
hours of sunshine
4
UV index (Moderate)
0
mm of rainfall expected
24
°C wind chill
25
kph wind from SW

West Sussex weather for Tuesday 15th September 2026

Expect broken clouds in West Sussex with a maximum temperature of 24°C, maximum UV of 4 (Moderate) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 21 kph from the north-west.