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
20th Jun
21

16

2

5
Sunday
21st Jun
29

15

9

7
Monday
22nd Jun
30

19

8

6
Tuesday
23rd Jun
28

18

5

8
Wednesday
24th Jun
30

17

6

7

5-day weather forecast updated at 04:00 on Friday 19th June 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 20th June 2026

Expect broken clouds in Cardiff, Wales with a maximum temperature of 21°C, maximum UV of 5 (Moderate) and 2 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 12 kph from the west.

21
°C maximum temperature
16
°C minimum temperature
broken clouds
2
hours of sunshine
5
UV index (Moderate)
0
mm of rainfall expected
21
°C wind chill
12
kph wind from W

Cardiff weather for Sunday 21st June 2026

Expect broken clouds in Cardiff, Wales with a maximum temperature of 29°C, low levels of heat & humidity, maximum UV of 7 (High) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 14 kph from the north-east.

29
°C maximum temperature
15
°C minimum temperature
broken clouds
9
hours of sunshine
7
UV index (High)
0
mm of rainfall expected
L
low heat & humidity
14
kph wind from NE

Cardiff weather for Monday 22nd June 2026

Expect broken clouds in Cardiff, Wales with a maximum temperature of 30°C, moderate levels of heat & humidity, maximum UV of 6 (High) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 16 kph from the north-east.

30
°C maximum temperature
19
°C minimum temperature
broken clouds
8
hours of sunshine
6
UV index (High)
0
mm of rainfall expected
M
moderate heat & humidity
16
kph wind from NE

Cardiff weather for Tuesday 23rd June 2026

Expect broken clouds in Cardiff, Wales with a maximum temperature of 28°C, low levels of heat & humidity, maximum UV of 8 (Very High) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 23 kph from the west.

28
°C maximum temperature
18
°C minimum temperature
broken clouds
5
hours of sunshine
8
UV index (Very High)
0
mm of rainfall expected
L
low heat & humidity
23
kph wind from W

Cardiff weather for Wednesday 24th June 2026

Expect broken clouds in Cardiff, Wales with a maximum temperature of 30°C, moderate levels of heat & humidity, maximum UV of 7 (High) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 15 kph from the west.