Brecon weather live forecast

Today's maximum temperature in Brecon is expected to be 15°C. Select a day from the live weather forecast for Brecon, Wales, UK for more weather parameters.

Wednesday
20th May
15

10

3

UV3
Thursday
21st May
20

11

2

UV4
Friday
22nd May
23

12

6

UV6
Saturday
23rd May
21

12

7

UV4
Sunday
24th May
20

11

8

UV7

5-day weather forecast updated at 04:01 on Wednesday 20th May 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 20th May 2026

Expect mostly cloudy with light rain in Brecon, Wales with a maximum temperature of 15°C, maximum UV of 3 (Moderate) and 3 hours of bright sunshine. There are 0-2 mm of rainfall expected with 32% chance of some rain and a moderate breeze of 27 kph from the south-west.

15
°C maximum temperature
10
°C minimum temperature
mostly cloudy with light rain
3
hours of sunshine
UV3
UV index (Moderate)
32
% chance of some rain
<2
mm of rainfall expected
15
°C wind chill
27
kph wind from SW

Brecon weather for Thursday 21st May 2026

Expect mostly cloudy with light rain in Brecon, Wales with a maximum temperature of 20°C, maximum UV of 4 (Moderate) and 2 hours of bright sunshine. There are 0-2 mm of rainfall expected with 12% chance of some rain and a gentle breeze of 15 kph from the south-west.

20
°C maximum temperature
11
°C minimum temperature
mostly cloudy with light rain
2
hours of sunshine
UV4
UV index (Moderate)
12
% chance of some rain
<2
mm of rainfall expected
0
no heat & humidity
15
kph wind from SW

Brecon weather for Friday 22nd May 2026

Expect broken clouds in Brecon, Wales with a maximum temperature of 23°C, maximum UV of 6 (High) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 18 kph from the south.

23
°C maximum temperature
12
°C minimum temperature
broken clouds
6
hours of sunshine
UV6
UV index (High)
0
mm of rainfall expected
0
no heat & humidity
18
kph wind from S

Brecon weather for Saturday 23rd May 2026

Expect broken clouds in Brecon, Wales with a maximum temperature of 21°C, maximum UV of 4 (Moderate) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 17 kph from the west.

21
°C maximum temperature
12
°C minimum temperature
broken clouds
7
hours of sunshine
UV4
UV index (Moderate)
0
mm of rainfall expected
0
no heat & humidity
17
kph wind from W

Brecon weather for Sunday 24th May 2026

Expect broken clouds in Brecon, Wales with a maximum temperature of 20°C, maximum UV of 7 (High) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 7 kph from the south.