Brittany weather live forecast

Today's maximum temperature in Brittany is expected to be 18°C. Select a day from the live weather forecast for Brittany (Brest), France for more weather parameters.

5-day weather forecast updated at 04:00 on Thursday 4th September 2025 GMT

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

Top Brittany destinations

Below are temperatures expected today at popular countries, regions and places in Brittany. Select a destination to see the detailed weather forecast for today, tomorrow and the outlook for the next five days.

Brittany weather forecast by day

Below are the detailed weather forecasts for Brittany for the next 5 days. The forecasts shown are for Brest and may not represent the whole of Brittany. Browse more destinations in Brittany to view more weather forecasts.

Brittany weather for Thursday 4th September 2025

Expect mostly cloudy with light rain in Brittany with a maximum temperature of 18°C, maximum UV of 4 (Moderate) and 5 hours of bright sunshine. There are 2-5 mm of rainfall expected with 63% chance of some rain and a fresh breeze of 29 kph from the west.

  • 18°C maximum temperature18
    °C maximum temperature
  • 13°C minimum temperature13
    °C minimum temperature
  • Mostly cloudy with light rain
    mostly cloudy with light rain
  • 5 hours of bright sunshine5
    hours of sunshine
  • UV (maximum) index 4 (Moderate)4
    UV index (Moderate)
  • 63% chance of some rain63
    % chance of some rain
  • 2-5 mm of rainfall expected<5
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Fresh breeze of 29 kph from the West29
    kph wind from W

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Brittany weather for Friday 5th September 2025

Expect broken clouds in Brittany with a maximum temperature of 19°C, maximum UV of 4 (Moderate) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 11 kph from the south-west.

  • 19°C maximum temperature19
    °C maximum temperature
  • 12°C minimum temperature12
    °C minimum temperature
  • Broken clouds
    broken clouds
  • 7 hours of bright sunshine7
    hours of sunshine
  • UV (maximum) index 4 (Moderate)4
    UV index (Moderate)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Light breeze of 11 kph from the South-West11
    kph wind from SW

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Brittany weather for Saturday 6th September 2025

Expect broken clouds in Brittany with a maximum temperature of 23°C, maximum UV of 5 (Moderate) and 2 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 23 kph from the south-east.

  • 23°C maximum temperature23
    °C maximum temperature
  • 11°C minimum temperature11
    °C minimum temperature
  • Broken clouds
    broken clouds
  • 2 hours of bright sunshine2
    hours of sunshine
  • UV (maximum) index 5 (Moderate)5
    UV index (Moderate)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • 23°C wind chill23
    °C wind chill
  • Moderate breeze of 23 kph from the South-East23
    kph wind from SE

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Brittany weather for Sunday 7th September 2025

Expect mostly cloudy with rain in Brittany with a maximum temperature of 19°C, maximum UV of 4 (Moderate) and 4 hours of bright sunshine. There are 5-10 mm of rainfall expected with 70% chance of some rain and a moderate breeze of 24 kph from the south-west.

  • 19°C maximum temperature19
    °C maximum temperature
  • 15°C minimum temperature15
    °C minimum temperature
  • Mostly cloudy with rain
    mostly cloudy with rain
  • 4 hours of bright sunshine4
    hours of sunshine
  • UV (maximum) index 4 (Moderate)4
    UV index (Moderate)
  • 70% chance of some rain70
    % chance of some rain
  • 5-10 mm of rainfall expected<10
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Moderate breeze of 24 kph from the South-West24
    kph wind from SW

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Brittany weather for Monday 8th September 2025

Expect mostly cloudy with light rain in Brittany with a maximum temperature of 18°C, maximum UV of 5 (Moderate) and 4 hours of bright sunshine. There are 0-2 mm of rainfall expected with 63% chance of some rain and a fresh breeze of 29 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
  • 4 hours of bright sunshine4
    hours of sunshine
  • UV (maximum) index 5 (Moderate)5
    UV index (Moderate)
  • 63% chance of some rain63
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Fresh breeze of 29 kph from the South-West29
    kph wind from SW

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  • Save on last minute summer holidays with Pierre & Vacances
  • Book breaks in the French Riviera, Normandy & more
  • Plus the Canaries, Corsica, Spain, Italy, Portugal & Andorra
Go to Pierre & Vacances deal >>

Expires at 23:59 on Tuesday 30th Sep 2025 · View all Pierre & Vacances offers

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

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