Cardiff weather live forecast

Today's maximum temperature in Cardiff is expected to be 19°C. Select a day from the live weather forecast for Cardiff, Wales, UK for more weather parameters.

Saturday
29th Aug
19

15

2

3
Sunday
30th Aug
20

14

4

3
Monday
31st Aug
19

13

5

3
Tuesday
1st Sep
19

13

7

3
Wednesday
2nd Sep
21

15

3

3

5-day weather forecast updated at 04:00 on Saturday 29th 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 29th August 2026

Expect isolated thunderstorms in Cardiff, Wales with a maximum temperature of 19°C, maximum UV of 3 (Moderate) and 2 hours of bright sunshine. There are 10-20 mm of rainfall expected with 92% chance of some rain and a moderate breeze of 21 kph from the west.

19
°C maximum temperature
15
°C minimum temperature
isolated thunderstorms
2
hours of sunshine
3
UV index (Moderate)
92
% chance of some rain
<20
mm of rainfall expected
0
no heat & humidity
21
kph wind from W

Cardiff weather for Sunday 30th August 2026

Expect isolated thunderstorms in Cardiff, Wales with a maximum temperature of 20°C, maximum UV of 3 (Moderate) and 4 hours of bright sunshine. There are 5-10 mm of rainfall expected with 96% chance of some rain and a moderate breeze of 20 kph from the south-west.

20
°C maximum temperature
14
°C minimum temperature
isolated thunderstorms
4
hours of sunshine
3
UV index (Moderate)
96
% chance of some rain
<10
mm of rainfall expected
0
no heat & humidity
20
kph wind from SW

Cardiff weather for Monday 31st August 2026

Expect isolated thunderstorms in Cardiff, Wales with a maximum temperature of 19°C, maximum UV of 3 (Moderate) and 5 hours of bright sunshine. There are 0-2 mm of rainfall expected with 19% chance of some rain and a moderate breeze of 27 kph from the west.

19
°C maximum temperature
13
°C minimum temperature
isolated thunderstorms
5
hours of sunshine
3
UV index (Moderate)
19
% chance of some rain
<2
mm of rainfall expected
0
no heat & humidity
27
kph wind from W

Cardiff weather for Tuesday 1st September 2026

Expect sunshine and showers in Cardiff, Wales with a maximum temperature of 19°C, maximum UV of 3 (Moderate) and 7 hours of bright sunshine. There are 0-2 mm of rainfall expected with 33% chance of some rain and a gentle breeze of 15 kph from the west.

19
°C maximum temperature
13
°C minimum temperature
sunshine and showers
7
hours of sunshine
3
UV index (Moderate)
33
% chance of some rain
<2
mm of rainfall expected
19
°C wind chill
15
kph wind from W

Cardiff weather for Wednesday 2nd September 2026

Expect mostly cloudy with rain in Cardiff, Wales with a maximum temperature of 21°C, maximum UV of 3 (Moderate) and 3 hours of bright sunshine. There are 5-10 mm of rainfall expected with 57% chance of some rain and a moderate breeze of 25 kph from the south-west.