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.

5-day weather forecast updated at 04:03 on Friday 1st August 2025 GMT

More about Builth Wells

Builth Wells by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Recommended for Wales

Enterprise Car Club: Rent vehicles from £2.71

  • Explore latest offers on Enterprise Car Club membership
  • Rent cars & vans in the UK on daily & hourly basis
  • Join, reserve & drive a vehicle on the same day
Go to Enterprise Car Club deal >>

View all Enterprise Car Club offers

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 August 2025

Expect broken clouds in Builth Wells, Wales with a maximum temperature of 18°C, maximum UV of 3 (Moderate) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 25 kph from the north-west.

  • 18°C maximum temperature18
    °C maximum temperature
  • 9°C minimum temperature9
    °C minimum temperature
  • Broken clouds
    broken clouds
  • 7 hours of bright sunshine7
    hours of sunshine
  • UV (maximum) index 3 (Moderate)3
    UV index (Moderate)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • 18°C wind chill18
    °C wind chill
  • Moderate breeze of 25 kph from the North-West25
    kph wind from NW

Back to top

Builth Wells weather for Saturday 2nd August 2025

Expect broken clouds in Builth Wells, Wales with a maximum temperature of 21°C, maximum UV of 3 (Moderate) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 19 kph from the north-west.

  • 21°C maximum temperature21
    °C maximum temperature
  • 8°C minimum temperature8
    °C minimum temperature
  • Broken clouds
    broken clouds
  • 5 hours of bright sunshine5
    hours of sunshine
  • UV (maximum) index 3 (Moderate)3
    UV index (Moderate)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • 21°C wind chill21
    °C wind chill
  • Gentle breeze of 19 kph from the North-West19
    kph wind from NW

Back to top

Builth Wells weather for Sunday 3rd August 2025

Expect mostly cloudy with light rain in Builth Wells, Wales with a maximum temperature of 21°C, maximum UV of 3 (Moderate) and 4 hours of bright sunshine. There are 0-2 mm of rainfall expected with 61% chance of some rain and a moderate breeze of 23 kph from the north-west.

  • 21°C maximum temperature21
    °C maximum temperature
  • 13°C minimum temperature13
    °C minimum temperature
  • Mostly cloudy with light rain
    mostly cloudy with light rain
  • 4 hours of bright sunshine4
    hours of sunshine
  • UV (maximum) index 3 (Moderate)3
    UV index (Moderate)
  • 61% chance of some rain61
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Moderate breeze of 23 kph from the North-West23
    kph wind from NW

Back to top

Builth Wells weather for Monday 4th August 2025

Expect mostly cloudy with rain in Builth Wells, Wales with a maximum temperature of 20°C, maximum UV of 4 (Moderate) and 2 hours of bright sunshine. There are 5-10 mm of rainfall expected with 87% chance of some rain and a fresh breeze of 36 kph from the south-west.

  • 20°C maximum temperature20
    °C maximum temperature
  • 12°C minimum temperature12
    °C minimum temperature
  • Mostly cloudy with rain
    mostly cloudy with rain
  • 2 hours of bright sunshine2
    hours of sunshine
  • UV (maximum) index 4 (Moderate)4
    UV index (Moderate)
  • 87% chance of some rain87
    % chance of some rain
  • 5-10 mm of rainfall expected<10
    mm of rainfall expected
  • 20°C wind chill20
    °C wind chill
  • Fresh breeze of 36 kph from the South-West36
    kph wind from SW

Back to top

Builth Wells weather for Tuesday 5th August 2025

Expect mostly cloudy with light rain in Builth Wells, Wales with a maximum temperature of 18°C, maximum UV of 5 (Moderate) and 6 hours of bright sunshine. There are 0-2 mm of rainfall expected with 7% chance of some rain and a moderate breeze of 24 kph from the north-west.

  • 18°C maximum temperature18
    °C maximum temperature
  • 11°C minimum temperature11
    °C minimum temperature
  • Mostly cloudy with light rain
    mostly cloudy with light rain
  • 6 hours of bright sunshine6
    hours of sunshine
  • UV (maximum) index 5 (Moderate)5
    UV index (Moderate)
  • 7% chance of some rain7
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Moderate breeze of 24 kph from the North-West24
    kph wind from NW

Back to top

John Fowler Holidays: Current deals on 2025 breaks

  • Book for less with top deals on UK holidays in 2025
  • Get first choice of holiday parks, dates & accommodation
  • Pay just £25 deposits with monthly payments
Go to John Fowler Holidays deal >>

View all John Fowler Holidays offers

Metric (°C / mm)  |  Imperial (°F / inches)

Back to top

More about Wales

Related posts

Popular travel offers

Explore holidays in the sun for less

More holidays

Airport parking

More parking

Airport lounges

More lounges

Top ^