Brecon weather live forecast

Today's maximum temperature in Brecon is expected to be 16°C. Select a day from the live weather forecast for Brecon, Wales, UK for more weather parameters.

Wednesday
16th Sep
16

11

3

3
Thursday
17th Sep
16

11

6

3
Friday
18th Sep
16

10

2

1
Saturday
19th Sep
18

15

4

2
Sunday
20th Sep
17

12

2

3

5-day weather forecast updated at 04:01 on Wednesday 16th 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 16th September 2026

Expect broken clouds in Brecon, Wales with a maximum temperature of 16°C, maximum UV of 3 (Moderate) and 3 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 22 kph from the west.

16
°C maximum temperature
11
°C minimum temperature
broken clouds
3
hours of sunshine
3
UV index (Moderate)
0
mm of rainfall expected
0
no heat & humidity
22
kph wind from W

Brecon weather for Thursday 17th September 2026

Expect sunshine and showers in Brecon, Wales with a maximum temperature of 16°C, maximum UV of 3 (Moderate) and 6 hours of bright sunshine. There are 0-2 mm of rainfall expected with 24% chance of some rain and a moderate breeze of 27 kph from the west.

16
°C maximum temperature
11
°C minimum temperature
sunshine and showers
6
hours of sunshine
3
UV index (Moderate)
24
% chance of some rain
<2
mm of rainfall expected
16
°C wind chill
27
kph wind from W

Brecon weather for Friday 18th September 2026

Expect mostly cloudy with light rain in Brecon, Wales with a maximum temperature of 16°C, maximum UV of 1 (Low) and 2 hours of bright sunshine. There are 2-5 mm of rainfall expected with 76% chance of some rain and a fresh breeze of 31 kph from the south-west.

16
°C maximum temperature
10
°C minimum temperature
mostly cloudy with light rain
2
hours of sunshine
1
UV index (Low)
76
% chance of some rain
<5
mm of rainfall expected
0
no heat & humidity
31
kph wind from SW

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 2 (Low) and 4 hours of bright sunshine. There are 2-5 mm of rainfall expected with 57% chance of some rain and a fresh breeze of 31 kph from the south-west.

18
°C maximum temperature
15
°C minimum temperature
mostly cloudy with light rain
4
hours of sunshine
2
UV index (Low)
57
% chance of some rain
<5
mm of rainfall expected
18
°C wind chill
31
kph wind from SW

Brecon weather for Sunday 20th September 2026

Expect mostly cloudy with light rain in Brecon, Wales with a maximum temperature of 17°C, maximum UV of 3 (Moderate) and 2 hours of bright sunshine. There are 0-2 mm of rainfall expected with 10% chance of some rain and a gentle breeze of 19 kph from the west.