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
4th Jul
21

15

6

4
Sunday
5th Jul
22

14

8

6
Monday
6th Jul
22

14

6

6
Tuesday
7th Jul
24

14

8

5
Wednesday
8th Jul
27

15

8

7

5-day weather forecast updated at 04:00 on Saturday 4th July 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 4th July 2026

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

21
°C maximum temperature
15
°C minimum temperature
broken clouds
6
hours of sunshine
4
UV index (Moderate)
0
mm of rainfall expected
21
°C wind chill
24
kph wind from W

Cardiff weather for Sunday 5th July 2026

Expect broken clouds in Cardiff, Wales with a maximum temperature of 22°C, maximum UV of 6 (High) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 20 kph from the west.

22
°C maximum temperature
14
°C minimum temperature
broken clouds
8
hours of sunshine
6
UV index (High)
0
mm of rainfall expected
0
no heat & humidity
20
kph wind from W

Cardiff weather for Monday 6th July 2026

Expect broken clouds in Cardiff, Wales with a maximum temperature of 22°C, maximum UV of 6 (High) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 31 kph from the west.

22
°C maximum temperature
14
°C minimum temperature
broken clouds
6
hours of sunshine
6
UV index (High)
0
mm of rainfall expected
0
no heat & humidity
31
kph wind from W

Cardiff weather for Tuesday 7th July 2026

Expect broken clouds in Cardiff, Wales with a maximum temperature of 24°C, maximum UV of 5 (Moderate) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 18 kph from the west.

24
°C maximum temperature
14
°C minimum temperature
broken clouds
8
hours of sunshine
5
UV index (Moderate)
0
mm of rainfall expected
24
°C wind chill
18
kph wind from W

Cardiff weather for Wednesday 8th July 2026

Expect scattered clouds in Cardiff, Wales with a maximum temperature of 27°C, low levels of heat & humidity, maximum UV of 7 (High) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 16 kph from the west.