See exactly when rain will start and stop with a minute-by-minute precipitation nowcast for the next hour.
Compare today's weather with yesterday's data and track temperature trends over time.
Hourly Forecast
Daylight Hours
07:53
Sunrise
19:33
Sunset
Moon
Full Moon
19:22
Moonrise
07:23
Moonset
Daily Forecast
Today
Sunday
Monday
Tuesday
Wednesday
Thursday
Friday
Saturday
Sunday
Monday
Air Quality Data Available
Upgrade to access real-time air quality data for Épernon.
UV Index
Humidity
Current stargazing conditions?
See sky darkness, moon phase, and the best viewing window for Épernon.
View stargazing scoreWeather in Épernon tomorrow, September 27, 2026
Épernon stays under cloudy skies on September 27, 2026, with only brief brighter breaks. Plan for a day that feels grey more often than open. The morning sky stays heavily clouded, with cover near 95% around 07:00. Grey conditions set the early tone before any later change.
The day peaks near 26°C and cools toward 13°C. Expect humidity between 44% and 95%, most humid near 06:00. Winds stay light, near 4.9 km/h by 16:00, so the day feels still more than breezy.
Expect persistent cloud later on, with amounts around 100% by 13:00. Sunshine remains the exception, not the rule. Visibility stays generally good near 29.3 km on average, though it can drop toward 13.3 km in thicker cloud or showers. Expect sunrise at 07:55, sunset at 19:31, and 11 hours 36 minutes of sunlight today overall.
Overall, Épernon on September 27, 2026 stays grey and muted, so outdoor plans may want a flexible backup even with a high near 26°C.
Frequently asked questions about weather in Épernon
How warm does it get in Épernon?
The warmest month in Épernon is July, with average high temperatures of 25°C. The average temperature during this period is around 20°C.
How cold does it get in Épernon?
The coldest month in Épernon is January, with average low temperatures of 2°C. The average temperature during this period is around 4°C.
What is the wettest time of year in Épernon?
The wettest month in Épernon is October, with an average of 79mm of precipitation.
What is the driest time of year in Épernon?
The driest month in Épernon is July, with an average of 43mm of precipitation.
Explore more weather forecasts
- Chartres, Centre-Val de Loire
- Paris, Île-de-France
- Mainvilliers, Centre-Val de Loire
- Marseille, Provence-Alpes-Côte d'Azur
- Lucé, Centre-Val de Loire
- Lyon, Auvergne-Rhône-Alpes
- Vernouillet, Centre-Val de Loire
- Toulouse, Occitanie
- Dreux, Centre-Val de Loire
- Nice, Provence-Alpes-Côte d'Azur
- Châteaudun, Centre-Val de Loire
- Nantes, Pays de la Loire
- Nogent-le-Rotrou, Centre-Val de Loire
- Marne La Vallée, Île-de-France
- Saran, Centre-Val de Loire
- Strasbourg, Grand Est