The long-range forecast for Rennes predicts a cold wave, with temperatures dropping to 1°, significantly lower than typical for Rennes and -4 °F below the historical average.
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Rennes 
Long Range Weather Forecast
The long-range forecast for Rennes predicts a cold wave, with temperatures dropping to 1°, significantly lower than typical for Rennes and -4 °F below the historical average.
Check out our estimated 30 days weather forecast for Rennes, this data is based on the average weather in Rennes in the last few years.
For a more accurate and detailed forecast, check out the 14 day weather for Rennes next to the desired date.
