Cardiff weather live forecast

Today's maximum temperature in Cardiff is expected to be 46°F. Select a day from the live weather forecast for Cardiff, Wales, UK for more weather parameters.

Wednesday
14th Jan
46

34

2

1
Thursday
15th Jan
48

39

0

0
Friday
16th Jan
46

37

0

0
Saturday
17th Jan
45

37

4

0
Sunday
18th Jan
48

39

1

0

5-day weather forecast updated at 04:00 on Monday 12th January 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 14th January 2026

Expect mostly cloudy with light rain in Cardiff, Wales with a maximum temperature of 46°F, maximum UV of 1 (Low) and 2 hours of bright sunshine. There are 2-5 mm of rainfall expected with 88% chance of some rain and a gentle breeze of 9 mph from the south-west.

46
°F maximum temperature
34
°F minimum temperature
mostly cloudy with light rain
2
hours of sunshine
1
UV index (Low)
88
% chance of some rain
<5
mm of rainfall expected
43
°F wind chill
9
mph wind from SW

Cardiff weather for Thursday 15th January 2026

Expect overcast with light rain in Cardiff, Wales with a maximum temperature of 48°F and no hours of bright sunshine. There are 10-20 mm of rainfall expected with 72% chance of some rain and a gentle breeze of 9 mph from the south-west.

48
°F maximum temperature
39
°F minimum temperature
overcast with light rain
0
hours of sunshine
0
UV index (None)
72
% chance of some rain
<20
mm of rainfall expected
43
°F wind chill
9
mph wind from SW

Cardiff weather for Friday 16th January 2026

Expect overcast with light rain in Cardiff, Wales with a maximum temperature of 46°F and no hours of bright sunshine. There are 2-5 mm of rainfall expected with 70% chance of some rain and a light breeze of 5 mph from the south.

46
°F maximum temperature
37
°F minimum temperature
overcast with light rain
0
hours of sunshine
0
UV index (None)
70
% chance of some rain
<5
mm of rainfall expected
45
°F wind chill
5
mph wind from S

Cardiff weather for Saturday 17th January 2026

Expect sunshine and showers in Cardiff, Wales with a maximum temperature of 45°F and 4 hours of bright sunshine. There are 0-2 mm of rainfall expected with 35% chance of some rain and a light breeze of 6 mph from the north-east.

45
°F maximum temperature
37
°F minimum temperature
sunshine and showers
4
hours of sunshine
0
UV index (None)
35
% chance of some rain
<2
mm of rainfall expected
41
°F wind chill
6
mph wind from NE

Cardiff weather for Sunday 18th January 2026

Expect mostly cloudy with rain in Cardiff, Wales with a maximum temperature of 48°F and 1 hour of bright sunshine. There are 5-10 mm of rainfall expected with 75% chance of some rain and a gentle breeze of 11 mph from the south.