Wales weather live forecast

Today's maximum temperature in Wales is expected to be 18°C. Select a day from the live weather forecast for Wales (Cardiff), UK for more weather parameters.

Monday
31st Aug
18

12

6

4
Tuesday
1st Sep
20

12

5

3
Wednesday
2nd Sep
20

15

2

3
Thursday
3rd Sep
21

18

0

2
Friday
4th Sep
21

14

1

4

5-day weather forecast updated at 04:00 on Monday 31st August 2026 GMT

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Destination

The 5-day weather forecast for Wales (Cardiff) is provided by the Swiss meteorological agency, meteoblue. Find out more about our data sources.

Top Wales destinations

Below are temperatures expected today at popular countries, regions and places in Wales. Select a destination to see the detailed weather forecast for today, tomorrow and the outlook for the next five days.

All Wales regions

Pembrokeshire

All Wales destinations

Wales weather forecast by day

Below are the detailed weather forecasts for Wales for the next 5 days. The forecasts shown are for Cardiff and may not represent the whole of Wales. Browse more destinations in Wales to view more weather forecasts.

Wales weather for Monday 31st August 2026

Expect isolated thunderstorms in Wales with a maximum temperature of 18°C, maximum UV of 4 (Moderate) and 6 hours of bright sunshine. There are 2-5 mm of rainfall expected with 4% chance of some rain and a moderate breeze of 20 kph from the west.

18
°C maximum temperature
12
°C minimum temperature
isolated thunderstorms
6
hours of sunshine
4
UV index (Moderate)
4
% chance of some rain
<5
mm of rainfall expected
0
no heat & humidity
20
kph wind from W

Wales weather for Tuesday 1st September 2026

Expect broken clouds in Wales with a maximum temperature of 20°C, maximum UV of 3 (Moderate) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 19 kph from the west.

20
°C maximum temperature
12
°C minimum temperature
broken clouds
5
hours of sunshine
3
UV index (Moderate)
0
mm of rainfall expected
20
°C wind chill
19
kph wind from W

Wales weather for Wednesday 2nd September 2026

Expect mostly cloudy with light rain in Wales with a maximum temperature of 20°C, maximum UV of 3 (Moderate) and 2 hours of bright sunshine. There are 0-2 mm of rainfall expected with 56% chance of some rain and a moderate breeze of 24 kph from the south-west.

20
°C maximum temperature
15
°C minimum temperature
mostly cloudy with light rain
2
hours of sunshine
3
UV index (Moderate)
56
% chance of some rain
<2
mm of rainfall expected
0
no heat & humidity
24
kph wind from SW

Wales weather for Thursday 3rd September 2026

Expect mostly cloudy with light rain in Wales with a maximum temperature of 21°C, maximum UV of 2 (Low) and no hours of bright sunshine. There are 2-5 mm of rainfall expected with 62% chance of some rain and a moderate breeze of 21 kph from the west.

21
°C maximum temperature
18
°C minimum temperature
mostly cloudy with light rain
0
hours of sunshine
2
UV index (Low)
62
% chance of some rain
<5
mm of rainfall expected
0
no heat & humidity
21
kph wind from W

Wales weather for Friday 4th September 2026

Expect mostly cloudy with light rain in Wales with a maximum temperature of 21°C, maximum UV of 4 (Moderate) and 1 hour of bright sunshine. There are 2-5 mm of rainfall expected with 42% chance of some rain and a moderate breeze of 23 kph from the west.