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.

Friday
4th Sep
18

12

4

4
Saturday
5th Sep
19

11

4

3
Sunday
6th Sep
25

12

8

4
Monday
7th Sep
18

13

2

2
Tuesday
8th Sep
17

12

7

4

5-day weather forecast updated at 04:01 on Friday 4th 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 Friday 4th September 2026

Expect mostly cloudy with light rain in Brecon, Wales with a maximum temperature of 18°C, maximum UV of 4 (Moderate) and 4 hours of bright sunshine. There are 2-5 mm of rainfall expected with 19% chance of some rain and a fresh breeze of 37 kph from the west.

18
°C maximum temperature
12
°C minimum temperature
mostly cloudy with light rain
4
hours of sunshine
4
UV index (Moderate)
19
% chance of some rain
<5
mm of rainfall expected
0
no heat & humidity
37
kph wind from W

Brecon weather for Saturday 5th September 2026

Expect broken clouds in Brecon, Wales with a maximum temperature of 19°C, maximum UV of 3 (Moderate) and 4 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 16 kph from the west.

19
°C maximum temperature
11
°C minimum temperature
broken clouds
4
hours of sunshine
3
UV index (Moderate)
0
mm of rainfall expected
19
°C wind chill
16
kph wind from W

Brecon weather for Sunday 6th September 2026

Expect broken clouds in Brecon, Wales with a maximum temperature of 25°C, maximum UV of 4 (Moderate) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 25 kph from the south.

25
°C maximum temperature
12
°C minimum temperature
broken clouds
8
hours of sunshine
4
UV index (Moderate)
0
mm of rainfall expected
25
°C wind chill
25
kph wind from S

Brecon weather for Monday 7th September 2026

Expect mostly cloudy with light rain in Brecon, Wales with a maximum temperature of 18°C, maximum UV of 2 (Low) and 2 hours of bright sunshine. There are 0-2 mm of rainfall expected with 35% chance of some rain and a moderate breeze of 21 kph from the west.

18
°C maximum temperature
13
°C minimum temperature
mostly cloudy with light rain
2
hours of sunshine
2
UV index (Low)
35
% chance of some rain
<2
mm of rainfall expected
0
no heat & humidity
21
kph wind from W

Brecon weather for Tuesday 8th September 2026

Expect sunshine and showers in Brecon, Wales with a maximum temperature of 17°C, maximum UV of 4 (Moderate) and 7 hours of bright sunshine. There are 2-5 mm of rainfall expected with 57% chance of some rain and a moderate breeze of 27 kph from the south-west.