Cardiff weather live forecast

Today's maximum temperature in Cardiff is expected to be 26°C. Select a day from the live weather forecast for Cardiff, Wales, UK for more weather parameters.

Saturday
15th Aug
26

14

9

5
Sunday
16th Aug
24

12

6

4
Monday
17th Aug
24

15

2

5
Tuesday
18th Aug
22

15

5

5
Wednesday
19th Aug
22

13

8

4

5-day weather forecast updated at 04:00 on Saturday 15th 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 15th August 2026

Expect scattered clouds in Cardiff, Wales with a maximum temperature of 26°C, maximum UV of 5 (Moderate) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 13 kph from the north-east.

26
°C maximum temperature
14
°C minimum temperature
scattered clouds
9
hours of sunshine
5
UV index (Moderate)
0
mm of rainfall expected
26
°C wind chill
13
kph wind from NE

Cardiff weather for Sunday 16th August 2026

Expect broken clouds in Cardiff, Wales with a maximum temperature of 24°C, maximum UV of 4 (Moderate) and 6 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
12
°C minimum temperature
broken clouds
6
hours of sunshine
4
UV index (Moderate)
0
mm of rainfall expected
0
no heat & humidity
18
kph wind from W

Cardiff weather for Monday 17th August 2026

Expect broken clouds in Cardiff, Wales with a maximum temperature of 24°C, maximum UV of 5 (Moderate) and 2 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 27 kph from the west.

24
°C maximum temperature
15
°C minimum temperature
broken clouds
2
hours of sunshine
5
UV index (Moderate)
0
mm of rainfall expected
0
no heat & humidity
27
kph wind from W

Cardiff weather for Tuesday 18th August 2026

Expect mostly cloudy with light rain in Cardiff, Wales with a maximum temperature of 22°C, maximum UV of 5 (Moderate) and 5 hours of bright sunshine. There are 0-2 mm of rainfall expected with 39% chance of some rain and a moderate breeze of 21 kph from the west.

22
°C maximum temperature
15
°C minimum temperature
mostly cloudy with light rain
5
hours of sunshine
5
UV index (Moderate)
39
% chance of some rain
<2
mm of rainfall expected
22
°C wind chill
21
kph wind from W

Cardiff weather for Wednesday 19th August 2026

Expect sunshine and showers in Cardiff, Wales with a maximum temperature of 22°C, maximum UV of 4 (Moderate) and 8 hours of bright sunshine. There are 0-2 mm of rainfall expected with 28% chance of some rain and a moderate breeze of 24 kph from the west.