Rennes weather live forecast

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

5-day weather forecast updated at 04:05 on Wednesday 3rd September 2025 GMT

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

Rennes weather forecast by day

Below are the detailed weather forecasts for Rennes for the next 5 days.

Rennes weather for Wednesday 3rd September 2025

Expect isolated thunderstorms in Rennes, France with a maximum temperature of 21°C, maximum UV of 4 (Moderate) and 4 hours of bright sunshine. There are 5-10 mm of rainfall expected with 88% chance of some rain and a fresh breeze of 36 kph from the south-west.

  • 21°C maximum temperature21
    °C maximum temperature
  • 16°C minimum temperature16
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 4 hours of bright sunshine4
    hours of sunshine
  • UV (maximum) index 4 (Moderate)4
    UV index (Moderate)
  • 88% chance of some rain88
    % chance of some rain
  • 5-10 mm of rainfall expected<10
    mm of rainfall expected
  • 21°C wind chill21
    °C wind chill
  • Fresh breeze of 36 kph from the South-West36
    kph wind from SW

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Rennes weather for Thursday 4th September 2025

Expect mostly cloudy with light rain in Rennes, France with a maximum temperature of 19°C, maximum UV of 4 (Moderate) and 5 hours of bright sunshine. There are 0-2 mm of rainfall expected with 58% chance of some rain and a moderate breeze of 21 kph from the west.

  • 19°C maximum temperature19
    °C maximum temperature
  • 15°C minimum temperature15
    °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)
  • 58% chance of some rain58
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • 19°C wind chill19
    °C wind chill
  • Moderate breeze of 21 kph from the West21
    kph wind from W

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Rennes weather for Friday 5th September 2025

Expect scattered clouds in Rennes, France with a maximum temperature of 21°C, maximum UV of 4 (Moderate) and 8 hours of bright sunshine. There are 0-2 mm of rainfall expected with 1% chance of some rain and a light breeze of 9 kph from the south-west.

  • 21°C maximum temperature21
    °C maximum temperature
  • 11°C minimum temperature11
    °C minimum temperature
  • Scattered clouds
    scattered clouds
  • 8 hours of bright sunshine8
    hours of sunshine
  • UV (maximum) index 4 (Moderate)4
    UV index (Moderate)
  • 1% chance of some rain1
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • 21°C wind chill21
    °C wind chill
  • Light breeze of 9 kph from the South-West9
    kph wind from SW

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Rennes weather for Saturday 6th September 2025

Expect scattered clouds in Rennes, France with a maximum temperature of 24°C, maximum UV of 5 (Moderate) and 11 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 20 kph from the south-east.

  • 24°C maximum temperature24
    °C maximum temperature
  • 13°C minimum temperature13
    °C minimum temperature
  • Scattered clouds
    scattered clouds
  • 11 hours of bright sunshine11
    hours of sunshine
  • UV (maximum) index 5 (Moderate)5
    UV index (Moderate)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Moderate breeze of 20 kph from the South-East20
    kph wind from SE

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Rennes weather for Sunday 7th September 2025

Expect broken clouds in Rennes, France with a maximum temperature of 24°C, maximum UV of 4 (Moderate) and 1 hour of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 21 kph from the south-west.

  • 24°C maximum temperature24
    °C maximum temperature
  • 18°C minimum temperature18
    °C minimum temperature
  • Broken clouds
    broken clouds
  • 1 hour of bright sunshine1
    hour of sunshine
  • UV (maximum) index 4 (Moderate)4
    UV index (Moderate)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • 24°C wind chill24
    °C wind chill
  • Moderate breeze of 21 kph from the South-West21
    kph wind from SW

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

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