Cardiff weather live forecast

Today's maximum temperature in Cardiff is expected to be 5°C. Select a day from the live weather forecast for Cardiff, Wales, UK for more weather parameters.

Wednesday
18th Feb
5

3

0

0
Thursday
19th Feb
8

4

3

1
Friday
20th Feb
12

5

2

1
Saturday
21st Feb
13

10

0

1
Sunday
22nd Feb
13

10

2

0

5-day weather forecast updated at 04:01 on Wednesday 18th February 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 Wednesday 18th February 2026

Expect cloudy with some rain in Cardiff, Wales with a maximum temperature of 5°C and no hours of bright sunshine. There are 10-20 mm of rainfall expected with 93% chance of some rain and a moderate breeze of 21 kph from the east.

5
°C maximum temperature
3
°C minimum temperature
cloudy with some rain
0
hours of sunshine
0
UV index (None)
93
% chance of some rain
<20
mm of rainfall expected
1
°C wind chill
21
kph wind from E

Cardiff weather for Thursday 19th February 2026

Expect mostly cloudy with light rain in Cardiff, Wales with a maximum temperature of 8°C, maximum UV of 1 (Low) and 3 hours of bright sunshine. There are 0-2 mm of rainfall expected with 20% chance of some rain and a gentle breeze of 17 kph from the north-west.

8
°C maximum temperature
4
°C minimum temperature
mostly cloudy with light rain
3
hours of sunshine
1
UV index (Low)
20
% chance of some rain
<2
mm of rainfall expected
5
°C wind chill
17
kph wind from NW

Cardiff weather for Friday 20th February 2026

Expect mostly cloudy with light rain in Cardiff, Wales with a maximum temperature of 12°C, maximum UV of 1 (Low) and 2 hours of bright sunshine. There are 2-5 mm of rainfall expected with 68% chance of some rain and a moderate breeze of 27 kph from the west.

12
°C maximum temperature
5
°C minimum temperature
mostly cloudy with light rain
2
hours of sunshine
1
UV index (Low)
68
% chance of some rain
<5
mm of rainfall expected
12
°C wind chill
27
kph wind from W

Cardiff weather for Saturday 21st February 2026

Expect mostly cloudy with light rain in Cardiff, Wales with a maximum temperature of 13°C, maximum UV of 1 (Low) and no hours of bright sunshine. There are 2-5 mm of rainfall expected with 66% chance of some rain and a moderate breeze of 25 kph from the south-west.

13
°C maximum temperature
10
°C minimum temperature
mostly cloudy with light rain
0
hours of sunshine
1
UV index (Low)
66
% chance of some rain
<5
mm of rainfall expected
13
°C wind chill
25
kph wind from SW

Cardiff weather for Sunday 22nd February 2026

Expect mostly cloudy with rain in Cardiff, Wales with a maximum temperature of 13°C and 2 hours of bright sunshine. There are 5-10 mm of rainfall expected with 69% chance of some rain and a moderate breeze of 23 kph from the west.