Chepstow weather live forecast

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

Monday
21st Sep
21

11

6

2
Tuesday
22nd Sep
21

15

3

3
Wednesday
23rd Sep
21

13

5

2
Thursday
24th Sep
20

12

3

3
Friday
25th Sep
20

13

3

3

5-day weather forecast updated at 04:06 on Monday 21st 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 Monday 21st September 2026

Expect broken clouds in Chepstow, Wales with a maximum temperature of 21°C, maximum UV of 2 (Low) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 11 kph from the south-west.

21
°C maximum temperature
11
°C minimum temperature
broken clouds
6
hours of sunshine
2
UV index (Low)
0
mm of rainfall expected
0
no heat & humidity
11
kph wind from SW

Chepstow weather for Tuesday 22nd September 2026

Expect broken clouds in Chepstow, Wales with a maximum temperature of 21°C, maximum UV of 3 (Moderate) and 3 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 7 kph from the south-west.

21
°C maximum temperature
15
°C minimum temperature
broken clouds
3
hours of sunshine
3
UV index (Moderate)
0
mm of rainfall expected
21
°C wind chill
7
kph wind from SW

Chepstow weather for Wednesday 23rd September 2026

Expect sunshine and showers in Chepstow, Wales with a maximum temperature of 21°C, maximum UV of 2 (Low) and 5 hours of bright sunshine. There are 0-2 mm of rainfall expected with 12% chance of some rain and a light breeze of 12 kph from the north.

21
°C maximum temperature
13
°C minimum temperature
sunshine and showers
5
hours of sunshine
2
UV index (Low)
12
% chance of some rain
<2
mm of rainfall expected
0
no heat & humidity
12
kph wind from N

Chepstow weather for Thursday 24th September 2026

Expect broken clouds in Chepstow, Wales with a maximum temperature of 20°C, maximum UV of 3 (Moderate) and 3 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 19 kph from the south.

20
°C maximum temperature
12
°C minimum temperature
broken clouds
3
hours of sunshine
3
UV index (Moderate)
0
mm of rainfall expected
0
no heat & humidity
19
kph wind from S

Chepstow weather for Friday 25th September 2026

Expect broken clouds in Chepstow, Wales with a maximum temperature of 20°C, maximum UV of 3 (Moderate) and 3 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 12 kph from the north-west.