Cardiff weather live forecast

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

Saturday
22nd Aug
21

9

10

4
Sunday
23rd Aug
22

10

13

4
Monday
24th Aug
24

11

0

4
Tuesday
25th Aug
25

16

5

3
Wednesday
26th Aug
24

17

3

3

5-day weather forecast updated at 04:00 on Saturday 22nd August 2026 GMT

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

Cardiff weather forecast by day

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

Cardiff weather for Saturday 22nd August 2026

Expect scattered clouds in Cardiff, Wales with a maximum temperature of 21°C, maximum UV of 4 (Moderate) and 10 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 9 kph from the north.

21
°C maximum temperature
9
°C minimum temperature
scattered clouds
10
hours of sunshine
4
UV index (Moderate)
0
mm of rainfall expected
21
°C wind chill
9
kph wind from N

Cardiff weather for Sunday 23rd August 2026

Expect scattered clouds in Cardiff, Wales with a maximum temperature of 22°C, maximum UV of 4 (Moderate) and 13 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 9 kph from the north-east.

22
°C maximum temperature
10
°C minimum temperature
scattered clouds
13
hours of sunshine
4
UV index (Moderate)
0
mm of rainfall expected
0
no heat & humidity
9
kph wind from NE

Cardiff weather for Monday 24th August 2026

Expect broken clouds in Cardiff, Wales with a maximum temperature of 24°C, maximum UV of 4 (Moderate) and no hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 22 kph from the east.

24
°C maximum temperature
11
°C minimum temperature
broken clouds
0
hours of sunshine
4
UV index (Moderate)
0
mm of rainfall expected
24
°C wind chill
22
kph wind from E

Cardiff weather for Tuesday 25th August 2026

Expect broken clouds in Cardiff, Wales with a maximum temperature of 25°C, maximum UV of 3 (Moderate) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 20 kph from the north-east.

25
°C maximum temperature
16
°C minimum temperature
broken clouds
5
hours of sunshine
3
UV index (Moderate)
0
mm of rainfall expected
0
no heat & humidity
20
kph wind from NE

Cardiff weather for Wednesday 26th August 2026

Expect isolated thunderstorms in Cardiff, Wales with a maximum temperature of 24°C, maximum UV of 3 (Moderate) and 3 hours of bright sunshine. There are 2-5 mm of rainfall expected with 65% chance of some rain and a light breeze of 7 kph from the south.