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.

Wednesday
2nd Sep
18

14

2

2
Thursday
3rd Sep
21

16

1

4
Friday
4th Sep
19

11

4

1
Saturday
5th Sep
19

11

4

4
Sunday
6th Sep
22

13

5

4

5-day weather forecast updated at 04:01 on Wednesday 2nd 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 Wednesday 2nd 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 2-5 mm of rainfall expected with 68% chance of some rain and a fresh breeze of 30 kph from the south-west.

18
°C maximum temperature
14
°C minimum temperature
mostly cloudy with light rain
2
hours of sunshine
2
UV index (Low)
68
% chance of some rain
<5
mm of rainfall expected
0
no heat & humidity
30
kph wind from SW

Brecon weather for Thursday 3rd September 2026

Expect mostly cloudy with light rain in Brecon, Wales with a maximum temperature of 21°C, maximum UV of 4 (Moderate) and 1 hour of bright sunshine. There are 0-2 mm of rainfall expected with 50% chance of some rain and a fresh breeze of 30 kph from the south-west.

21
°C maximum temperature
16
°C minimum temperature
mostly cloudy with light rain
1
hour of sunshine
4
UV index (Moderate)
50
% chance of some rain
<2
mm of rainfall expected
21
°C wind chill
30
kph wind from SW

Brecon weather for Friday 4th September 2026

Expect mostly cloudy with rain in Brecon, Wales with a maximum temperature of 19°C, maximum UV of 1 (Low) and 4 hours of bright sunshine. There are 5-10 mm of rainfall expected with 56% chance of some rain and a fresh breeze of 35 kph from the west.

19
°C maximum temperature
11
°C minimum temperature
mostly cloudy with rain
4
hours of sunshine
1
UV index (Low)
56
% chance of some rain
<10
mm of rainfall expected
19
°C wind chill
35
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 4 (Moderate) and 4 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 11 kph from the south-west.

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

Brecon weather for Sunday 6th September 2026

Expect mostly cloudy with light rain in Brecon, Wales with a maximum temperature of 22°C, maximum UV of 4 (Moderate) and 5 hours of bright sunshine. There are 0-2 mm of rainfall expected with 20% chance of some rain and a gentle breeze of 19 kph from the south.