Brecon weather live forecast

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

Saturday
19th Sep
18

13

4

3
Sunday
20th Sep
17

10

6

3
Monday
21st Sep
23

10

3

3
Tuesday
22nd Sep
23

13

5

3
Wednesday
23rd Sep
18

10

4

3

5-day weather forecast updated at 04:01 on Saturday 19th September 2026 GMT

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

Brecon weather forecast by day

Below are the detailed weather forecasts for Brecon for the next 5 days.

Brecon weather for Saturday 19th September 2026

Expect mostly cloudy with light rain in Brecon, Wales with a maximum temperature of 18°C, maximum UV of 3 (Moderate) and 4 hours of bright sunshine. There are 2-5 mm of rainfall expected with 53% chance of some rain and a fresh breeze of 34 kph from the west.

18
°C maximum temperature
13
°C minimum temperature
mostly cloudy with light rain
4
hours of sunshine
3
UV index (Moderate)
53
% chance of some rain
<5
mm of rainfall expected
18
°C wind chill
34
kph wind from W

Brecon weather for Sunday 20th September 2026

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

17
°C maximum temperature
10
°C minimum temperature
broken clouds
6
hours of sunshine
3
UV index (Moderate)
0
mm of rainfall expected
17
°C wind chill
18
kph wind from W

Brecon weather for Monday 21st September 2026

Expect broken clouds in Brecon, Wales with a maximum temperature of 23°C, maximum UV of 3 (Moderate) and 3 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 19 kph from the west.

23
°C maximum temperature
10
°C minimum temperature
broken clouds
3
hours of sunshine
3
UV index (Moderate)
0
mm of rainfall expected
23
°C wind chill
19
kph wind from W

Brecon weather for Tuesday 22nd September 2026

Expect broken clouds in Brecon, Wales with a maximum temperature of 23°C, maximum UV of 3 (Moderate) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 14 kph from the south-west.

23
°C maximum temperature
13
°C minimum temperature
broken clouds
5
hours of sunshine
3
UV index (Moderate)
0
mm of rainfall expected
23
°C wind chill
14
kph wind from SW

Brecon weather for Wednesday 23rd September 2026

Expect mostly cloudy with light rain in Brecon, Wales with a maximum temperature of 18°C, maximum UV of 3 (Moderate) and 4 hours of bright sunshine. There are 0-2 mm of rainfall expected with 17% chance of some rain and a moderate breeze of 22 kph from the north-west.