Wales weather live forecast

Today's maximum temperature in Wales is expected to be 17°C. Select a day from the live weather forecast for Wales (Cardiff), UK for more weather parameters.

Friday
18th Sep
17

10

0

1
Saturday
19th Sep
18

15

0

1
Sunday
20th Sep
18

12

6

3
Monday
21st Sep
20

11

3

3
Tuesday
22nd Sep
22

13

5

3

5-day weather forecast updated at 04:00 on Friday 18th September 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 Friday 18th September 2026

Expect broken clouds in Wales with a maximum temperature of 17°C, maximum UV of 1 (Low) and no hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 23 kph from the south-west.

17
°C maximum temperature
10
°C minimum temperature
broken clouds
0
hours of sunshine
1
UV index (Low)
0
mm of rainfall expected
17
°C wind chill
23
kph wind from SW

Wales weather for Saturday 19th September 2026

Expect mostly cloudy with light rain in Wales with a maximum temperature of 18°C, maximum UV of 1 (Low) and no hours of bright sunshine. There are 0-2 mm of rainfall expected with 56% chance of some rain and a moderate breeze of 23 kph from the west.

18
°C maximum temperature
15
°C minimum temperature
mostly cloudy with light rain
0
hours of sunshine
1
UV index (Low)
56
% chance of some rain
<2
mm of rainfall expected
18
°C wind chill
23
kph wind from W

Wales weather for Sunday 20th September 2026

Expect broken clouds in Wales with a maximum temperature of 18°C, maximum UV of 3 (Moderate) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 17 kph from the west.

18
°C maximum temperature
12
°C minimum temperature
broken clouds
6
hours of sunshine
3
UV index (Moderate)
0
mm of rainfall expected
18
°C wind chill
17
kph wind from W

Wales weather for Monday 21st September 2026

Expect broken clouds in Wales with a maximum temperature of 20°C, maximum UV of 3 (Moderate) and 3 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 10 kph from the west.

20
°C maximum temperature
11
°C minimum temperature
broken clouds
3
hours of sunshine
3
UV index (Moderate)
0
mm of rainfall expected
0
no heat & humidity
10
kph wind from W

Wales weather for Tuesday 22nd September 2026

Expect broken clouds in Wales with a maximum temperature of 22°C, maximum UV of 3 (Moderate) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 15 kph from the west.