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 Sunday 31st August 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 Sunday 31st August 2025

Expect sunshine and showers in Rennes, France with a maximum temperature of 21°C, maximum UV of 4 (Moderate) and 7 hours of bright sunshine. There are 0-2 mm of rainfall expected with 21% chance of some rain and a moderate breeze of 22 kph from the south-west.

  • 21°C maximum temperature21
    °C maximum temperature
  • 15°C minimum temperature15
    °C minimum temperature
  • Sunshine and showers
    sunshine and showers
  • 7 hours of bright sunshine7
    hours of sunshine
  • UV (maximum) index 4 (Moderate)4
    UV index (Moderate)
  • 21% chance of some rain21
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • 21°C wind chill21
    °C wind chill
  • Moderate breeze of 22 kph from the South-West22
    kph wind from SW

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Rennes weather for Monday 1st September 2025

Expect mostly cloudy with light rain in Rennes, France 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 63% chance of some rain and a moderate breeze of 20 kph from the south-west.

  • 18°C maximum temperature18
    °C maximum temperature
  • 14°C minimum temperature14
    °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
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Moderate breeze of 20 kph from the South-West20
    kph wind from SW

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Rennes weather for Tuesday 2nd September 2025

Expect isolated thunderstorms in Rennes, France with a maximum temperature of 20°C, maximum UV of 2 (Low) and 3 hours of bright sunshine. There are 2-5 mm of rainfall expected with 89% chance of some rain and a moderate breeze of 23 kph from the south-west.

  • 20°C maximum temperature20
    °C maximum temperature
  • 14°C minimum temperature14
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 3 hours of bright sunshine3
    hours of sunshine
  • UV (maximum) index 2 (Low)2
    UV index (Low)
  • 89% chance of some rain89
    % chance of some rain
  • 2-5 mm of rainfall expected<5
    mm of rainfall expected
  • 20°C wind chill20
    °C wind chill
  • Moderate breeze of 23 kph from the South-West23
    kph wind from SW

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Rennes weather for Wednesday 3rd September 2025

Expect mostly cloudy with light rain in Rennes, France with a maximum temperature of 21°C, maximum UV of 2 (Low) and 3 hours of bright sunshine. There are 0-2 mm of rainfall expected with 68% chance of some rain and a fresh breeze of 30 kph from the south-west.

  • 21°C maximum temperature21
    °C maximum temperature
  • 16°C minimum temperature16
    °C minimum temperature
  • Mostly cloudy with light rain
    mostly cloudy with light rain
  • 3 hours of bright sunshine3
    hours of sunshine
  • UV (maximum) index 2 (Low)2
    UV index (Low)
  • 68% chance of some rain68
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Fresh breeze of 30 kph from the South-West30
    kph wind from SW

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Rennes weather for Thursday 4th September 2025

Expect mostly cloudy with rain in Rennes, France with a maximum temperature of 21°C, maximum UV of 4 (Moderate) and 5 hours of bright sunshine. There are 10-20 mm of rainfall expected with 50% chance of some rain and a moderate breeze of 26 kph from the south-west.

  • 21°C maximum temperature21
    °C maximum temperature
  • 15°C minimum temperature15
    °C minimum temperature
  • Mostly cloudy with rain
    mostly cloudy with rain
  • 5 hours of bright sunshine5
    hours of sunshine
  • UV (maximum) index 4 (Moderate)4
    UV index (Moderate)
  • 50% chance of some rain50
    % chance of some rain
  • 10-20 mm of rainfall expected<20
    mm of rainfall expected
  • 21°C wind chill21
    °C wind chill
  • Moderate breeze of 26 kph from the South-West26
    kph wind from SW

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

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