Cardiff weather live forecast

Today's maximum temperature in Cardiff is expected to be 9°C. Select a day from the live weather forecast for Cardiff, Wales, UK for more weather parameters.

Saturday
20th Dec
9

3

3

0
Sunday
21st Dec
9

7

1

0
Monday
22nd Dec
9

6

0

0
Tuesday
23rd Dec
7

5

0

0
Wednesday
24th Dec
6

2

3

0

5-day weather forecast updated at 04:00 on Saturday 20th December 2025 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 December 2025

Expect mostly cloudy with light rain in Cardiff, Wales with a maximum temperature of 9°C and 3 hours of bright sunshine. There are 2-5 mm of rainfall expected with 64% chance of some rain and a moderate breeze of 20 kph from the south-east.

9
°C maximum temperature
3
°C minimum temperature
mostly cloudy with light rain
3
hours of sunshine
0
UV index (None)
64
% chance of some rain
<5
mm of rainfall expected
6
°C wind chill
20
kph wind from SE

Cardiff weather for Sunday 21st December 2025

Expect mostly cloudy with rain in Cardiff, Wales with a maximum temperature of 9°C and 1 hour of bright sunshine. There are 5-10 mm of rainfall expected with 56% chance of some rain and a gentle breeze of 14 kph from the east.

9
°C maximum temperature
7
°C minimum temperature
mostly cloudy with rain
1
hour of sunshine
0
UV index (None)
56
% chance of some rain
<10
mm of rainfall expected
7
°C wind chill
14
kph wind from E

Cardiff weather for Monday 22nd December 2025

Expect mostly cloudy with light rain in Cardiff, Wales with a maximum temperature of 9°C and no hours of bright sunshine. There are 2-5 mm of rainfall expected with 34% chance of some rain and a light breeze of 9 kph from the north-east.

9
°C maximum temperature
6
°C minimum temperature
mostly cloudy with light rain
0
hours of sunshine
0
UV index (None)
34
% chance of some rain
<5
mm of rainfall expected
8
°C wind chill
9
kph wind from NE

Cardiff weather for Tuesday 23rd December 2025

Expect overcast with light rain in Cardiff, Wales with a maximum temperature of 7°C and no hours of bright sunshine. There are 0-2 mm of rainfall expected with 21% chance of some rain and a gentle breeze of 15 kph from the north-east.

7
°C maximum temperature
5
°C minimum temperature
overcast with light rain
0
hours of sunshine
0
UV index (None)
21
% chance of some rain
<2
mm of rainfall expected
5
°C wind chill
15
kph wind from NE

Cardiff weather for Wednesday 24th December 2025

Expect broken clouds in Cardiff, Wales with a maximum temperature of 6°C and 3 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 27 kph from the north-east.