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.

Tuesday
15th Sep
18

12

6

4
Wednesday
16th Sep
17

11

6

3
Thursday
17th Sep
17

12

7

3
Friday
18th Sep
17

11

1

2
Saturday
19th Sep
19

15

4

3

5-day weather forecast updated at 04:00 on Tuesday 15th 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 Tuesday 15th September 2026

Expect sunshine and showers in Wales with a maximum temperature of 18°C, maximum UV of 4 (Moderate) and 6 hours of bright sunshine. There are 0-2 mm of rainfall expected with 8% chance of some rain and a moderate breeze of 21 kph from the west.

18
°C maximum temperature
12
°C minimum temperature
sunshine and showers
6
hours of sunshine
4
UV index (Moderate)
8
% chance of some rain
<2
mm of rainfall expected
18
°C wind chill
21
kph wind from W

Wales weather for Wednesday 16th September 2026

Expect sunshine and showers in Wales with a maximum temperature of 17°C, maximum UV of 3 (Moderate) and 6 hours of bright sunshine. There are 0-2 mm of rainfall expected with 25% chance of some rain and a gentle breeze of 19 kph from the west.

17
°C maximum temperature
11
°C minimum temperature
sunshine and showers
6
hours of sunshine
3
UV index (Moderate)
25
% chance of some rain
<2
mm of rainfall expected
0
no heat & humidity
19
kph wind from W

Wales weather for Thursday 17th September 2026

Expect sunshine and showers in Wales with a maximum temperature of 17°C, maximum UV of 3 (Moderate) and 7 hours of bright sunshine. There are 0-2 mm of rainfall expected with 47% chance of some rain and a fresh breeze of 31 kph from the west.

17
°C maximum temperature
12
°C minimum temperature
sunshine and showers
7
hours of sunshine
3
UV index (Moderate)
47
% chance of some rain
<2
mm of rainfall expected
0
no heat & humidity
31
kph wind from W

Wales weather for Friday 18th September 2026

Expect mostly cloudy with light rain in Wales with a maximum temperature of 17°C, maximum UV of 2 (Low) and 1 hour of bright sunshine. There are 0-2 mm of rainfall expected with 48% chance of some rain and a moderate breeze of 21 kph from the west.

17
°C maximum temperature
11
°C minimum temperature
mostly cloudy with light rain
1
hour of sunshine
2
UV index (Low)
48
% chance of some rain
<2
mm of rainfall expected
17
°C wind chill
21
kph wind from W

Wales weather for Saturday 19th September 2026

Expect mostly cloudy with light rain in Wales with a maximum temperature of 19°C, maximum UV of 3 (Moderate) and 4 hours of bright sunshine. There are 2-5 mm of rainfall expected with 38% chance of some rain and a fresh breeze of 29 kph from the west.