Brecon weather live forecast

Today's maximum temperature in Brecon is expected to be 21°C. Select a day from the live weather forecast for Brecon, Wales, UK for more weather parameters.

Tuesday
18th Aug
21

15

3

4
Wednesday
19th Aug
19

14

6

4
Thursday
20th Aug
19

12

6

2
Friday
21st Aug
18

11

3

4
Saturday
22nd Aug
19

11

9

4

5-day weather forecast updated at 04:01 on Tuesday 18th August 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 Tuesday 18th August 2026

Expect mostly cloudy with light rain in Brecon, Wales with a maximum temperature of 21°C, maximum UV of 4 (Moderate) and 3 hours of bright sunshine. There are 0-2 mm of rainfall expected with 54% chance of some rain and a moderate breeze of 27 kph from the west.

21
°C maximum temperature
15
°C minimum temperature
mostly cloudy with light rain
3
hours of sunshine
4
UV index (Moderate)
54
% chance of some rain
<2
mm of rainfall expected
21
°C wind chill
27
kph wind from W

Brecon weather for Wednesday 19th August 2026

Expect sunshine and showers in Brecon, Wales with a maximum temperature of 19°C, maximum UV of 4 (Moderate) and 6 hours of bright sunshine. There are 0-2 mm of rainfall expected with 40% chance of some rain and a moderate breeze of 28 kph from the west.

19
°C maximum temperature
14
°C minimum temperature
sunshine and showers
6
hours of sunshine
4
UV index (Moderate)
40
% chance of some rain
<2
mm of rainfall expected
0
no heat & humidity
28
kph wind from W

Brecon weather for Thursday 20th August 2026

Expect mostly cloudy with light rain in Brecon, Wales with a maximum temperature of 19°C, maximum UV of 2 (Low) and 6 hours of bright sunshine. There are 0-2 mm of rainfall expected with 60% chance of some rain and a fresh breeze of 34 kph from the north-west.

19
°C maximum temperature
12
°C minimum temperature
mostly cloudy with light rain
6
hours of sunshine
2
UV index (Low)
60
% chance of some rain
<2
mm of rainfall expected
0
no heat & humidity
34
kph wind from NW

Brecon weather for Friday 21st August 2026

Expect mostly cloudy with light rain in Brecon, Wales with a maximum temperature of 18°C, maximum UV of 4 (Moderate) and 3 hours of bright sunshine. There are 0-2 mm of rainfall expected with 42% chance of some rain and a light breeze of 11 kph from the north-east.

18
°C maximum temperature
11
°C minimum temperature
mostly cloudy with light rain
3
hours of sunshine
4
UV index (Moderate)
42
% chance of some rain
<2
mm of rainfall expected
0
no heat & humidity
11
kph wind from NE

Brecon weather for Saturday 22nd August 2026

Expect broken clouds in Brecon, Wales with a maximum temperature of 19°C, maximum UV of 4 (Moderate) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 8 kph from the north-east.