Builth Wells weather live forecast

Today's maximum temperature in Builth Wells is expected to be 18°C. Select a day from the live weather forecast for Builth Wells, Wales, UK for more weather parameters.

Friday
1st May
18

7

5

4
Saturday
2nd May
21

8

1

2
Sunday
3rd May
20

8

1

3
Monday
4th May
15

9

6

2
Tuesday
5th May
14

7

2

3

5-day weather forecast updated at 04:04 on Friday 1st May 2026 GMT

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The 5-day weather forecast for Wales (Builth Wells) is provided by the Swiss meteorological agency, meteoblue. Find out more about our data sources.

Builth Wells weather forecast by day

Below are the detailed weather forecasts for Builth Wells for the next 5 days.

Builth Wells weather for Friday 1st May 2026

Expect mostly cloudy with light rain in Builth Wells, Wales with a maximum temperature of 18°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 17 kph from the south-west.

18
°C maximum temperature
7
°C minimum temperature
mostly cloudy with light rain
5
hours of sunshine
4
UV index (Moderate)
20
% chance of some rain
<2
mm of rainfall expected
0
no heat & humidity
17
kph wind from SW

Builth Wells weather for Saturday 2nd May 2026

Expect mostly cloudy with rain in Builth Wells, Wales with a maximum temperature of 21°C, maximum UV of 2 (Low) and 1 hour of bright sunshine. There are 5-10 mm of rainfall expected with 77% chance of some rain and a light breeze of 10 kph from the south.

21
°C maximum temperature
8
°C minimum temperature
mostly cloudy with rain
1
hour of sunshine
2
UV index (Low)
77
% chance of some rain
<10
mm of rainfall expected
21
°C wind chill
10
kph wind from S

Builth Wells weather for Sunday 3rd May 2026

Expect cloudy with some rain in Builth Wells, Wales with a maximum temperature of 20°C, maximum UV of 3 (Moderate) and 1 hour of bright sunshine. There are 10-20 mm of rainfall expected with 75% chance of some rain and a moderate breeze of 22 kph from the west.

20
°C maximum temperature
8
°C minimum temperature
cloudy with some rain
1
hour of sunshine
3
UV index (Moderate)
75
% chance of some rain
<20
mm of rainfall expected
0
no heat & humidity
22
kph wind from W

Builth Wells weather for Monday 4th May 2026

Expect mostly cloudy with light rain in Builth Wells, Wales with a maximum temperature of 15°C, maximum UV of 2 (Low) and 6 hours of bright sunshine. There are 0-2 mm of rainfall expected with 36% chance of some rain and a gentle breeze of 17 kph from the north-west.

15
°C maximum temperature
9
°C minimum temperature
mostly cloudy with light rain
6
hours of sunshine
2
UV index (Low)
36
% chance of some rain
<2
mm of rainfall expected
0
no heat & humidity
17
kph wind from NW

Builth Wells weather for Tuesday 5th May 2026

Expect broken clouds in Builth Wells, Wales with a maximum temperature of 14°C, maximum UV of 3 (Moderate) and 2 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 9 kph from the north.