Brecon weather live forecast

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

5-day weather forecast updated at 04:02 on Thursday 18th September 2025 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 Thursday 18th September 2025

Expect mostly cloudy with light rain in Brecon, Wales with a maximum temperature of 18°C, maximum UV of 1 (Low) and 1 hour of bright sunshine. There are 0-2 mm of rainfall expected with 28% chance of some rain and a fresh breeze of 32 kph from the south-west.

  • 18°C maximum temperature18
    °C maximum temperature
  • 15°C minimum temperature15
    °C minimum temperature
  • Mostly cloudy with light rain
    mostly cloudy with light rain
  • 1 hour of bright sunshine1
    hour of sunshine
  • UV (maximum) index 1 (Low)1
    UV index (Low)
  • 28% chance of some rain28
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Fresh breeze of 32 kph from the South-West32
    kph wind from SW

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Brecon weather for Friday 19th September 2025

Expect broken clouds in Brecon, Wales with a maximum temperature of 19°C, maximum UV of 3 (Moderate) and 4 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 18 kph from the south-west.

  • 19°C maximum temperature19
    °C maximum temperature
  • 15°C minimum temperature15
    °C minimum temperature
  • Broken clouds
    broken clouds
  • 4 hours of bright sunshine4
    hours of sunshine
  • UV (maximum) index 3 (Moderate)3
    UV index (Moderate)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • 19°C wind chill19
    °C wind chill
  • Gentle breeze of 18 kph from the South-West18
    kph wind from SW

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Brecon weather for Saturday 20th September 2025

Expect mostly cloudy with light rain in Brecon, Wales with a maximum temperature of 17°C, maximum UV of 2 (Low) and 1 hour of bright sunshine. There are 2-5 mm of rainfall expected with 70% chance of some rain and a gentle breeze of 18 kph from the south-east.

  • 17°C maximum temperature17
    °C maximum temperature
  • 12°C minimum temperature12
    °C minimum temperature
  • Mostly cloudy with light rain
    mostly cloudy with light rain
  • 1 hour of bright sunshine1
    hour of sunshine
  • UV (maximum) index 2 (Low)2
    UV index (Low)
  • 70% chance of some rain70
    % chance of some rain
  • 2-5 mm of rainfall expected<5
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Gentle breeze of 18 kph from the South-East18
    kph wind from SE

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Brecon weather for Sunday 21st September 2025

Expect sunshine and showers in Brecon, Wales with a maximum temperature of 13°C, maximum UV of 3 (Moderate) and 5 hours of bright sunshine. There are 10-20 mm of rainfall expected with 62% chance of some rain and a gentle breeze of 17 kph from the south-west.

  • 13°C maximum temperature13
    °C maximum temperature
  • 9°C minimum temperature9
    °C minimum temperature
  • Sunshine and showers
    sunshine and showers
  • 5 hours of bright sunshine5
    hours of sunshine
  • UV (maximum) index 3 (Moderate)3
    UV index (Moderate)
  • 62% chance of some rain62
    % chance of some rain
  • 10-20 mm of rainfall expected<20
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Gentle breeze of 17 kph from the South-West17
    kph wind from SW

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Brecon weather for Monday 22nd September 2025

Expect sunshine and showers in Brecon, Wales with a maximum temperature of 12°C, maximum UV of 3 (Moderate) and 8 hours of bright sunshine. There are 2-5 mm of rainfall expected with 32% chance of some rain and a moderate breeze of 20 kph from the north-east.

  • 12°C maximum temperature12
    °C maximum temperature
  • 7°C minimum temperature7
    °C minimum temperature
  • Sunshine and showers
    sunshine and showers
  • 8 hours of bright sunshine8
    hours of sunshine
  • UV (maximum) index 3 (Moderate)3
    UV index (Moderate)
  • 32% chance of some rain32
    % chance of some rain
  • 2-5 mm of rainfall expected<5
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Moderate breeze of 20 kph from the North-East20
    kph wind from NE

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

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