Chepstow weather live forecast

Today's maximum temperature in Chepstow is expected to be 20°C. Select a day from the live weather forecast for Chepstow, Wales, UK for more weather parameters.

Saturday
19th Sep
20

16

1

3
Sunday
20th Sep
19

12

8

3
Monday
21st Sep
22

12

8

4
Tuesday
22nd Sep
22

14

6

4
Wednesday
23rd Sep
22

12

4

3

5-day weather forecast updated at 04:03 on Saturday 19th September 2026 GMT

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

Chepstow weather forecast by day

Below are the detailed weather forecasts for Chepstow for the next 5 days.

Chepstow weather for Saturday 19th September 2026

Expect mostly cloudy with light rain in Chepstow, Wales with a maximum temperature of 20°C, maximum UV of 3 (Moderate) and 1 hour of bright sunshine. There are 0-2 mm of rainfall expected with 30% chance of some rain and a fresh breeze of 34 kph from the south-west.

20
°C maximum temperature
16
°C minimum temperature
mostly cloudy with light rain
1
hour of sunshine
3
UV index (Moderate)
30
% chance of some rain
<2
mm of rainfall expected
20
°C wind chill
34
kph wind from SW

Chepstow weather for Sunday 20th September 2026

Expect scattered clouds in Chepstow, Wales with a maximum temperature of 19°C, maximum UV of 3 (Moderate) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 14 kph from the north-west.

19
°C maximum temperature
12
°C minimum temperature
scattered clouds
8
hours of sunshine
3
UV index (Moderate)
0
mm of rainfall expected
0
no heat & humidity
14
kph wind from NW

Chepstow weather for Monday 21st September 2026

Expect broken clouds in Chepstow, Wales with a maximum temperature of 22°C, maximum UV of 4 (Moderate) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 18 kph from the south-west.

22
°C maximum temperature
12
°C minimum temperature
broken clouds
8
hours of sunshine
4
UV index (Moderate)
0
mm of rainfall expected
22
°C wind chill
18
kph wind from SW

Chepstow weather for Tuesday 22nd September 2026

Expect broken clouds in Chepstow, Wales with a maximum temperature of 22°C, maximum UV of 4 (Moderate) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 13 kph from the south-west.

22
°C maximum temperature
14
°C minimum temperature
broken clouds
6
hours of sunshine
4
UV index (Moderate)
0
mm of rainfall expected
0
no heat & humidity
13
kph wind from SW

Chepstow weather for Wednesday 23rd September 2026

Expect broken clouds in Chepstow, Wales with a maximum temperature of 22°C, maximum UV of 3 (Moderate) and 4 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 23 kph from the north-west.