How accurate is the forecast for Épernon?

Forecasts are pulled from leading meteorological models and refreshed automatically every 30 minutes. Short-range accuracy (next 24 hours) is typically within 1–2°C and 80–90% for precipitation.

How often is the data updated?

Current conditions and the hourly outlook refresh every 30 minutes; daily forecasts every hour.

What does the air-quality (AQI) value mean?

We display the European AQI on a scale from Good (0–20) to Extremely poor (>100), blending PM2.5, PM10, NO₂ and O₃.

Clima Map

Épernon FR

June 30, 2026 · 1:15 pm

28^°

Parcialmente nublado

Sensación 29°C

Humedad: 36%
Viento: 2 km/h SSW
Presión: 1022 hPa
Cloud: 72%

Clima cercano

Ciudades cerca de Épernon

Compare weather conditions in surrounding cities and open any local forecast instantly.

12.2 km Rambouillet FR View forecast 16.5 km Le Perray-en-Yvelines FR View forecast 20.1 km Saint-Arnoult-en-Yvelines FR View forecast 20.5 km Les Essarts-le-Roi FR View forecast 22.6 km Chartres FR View forecast 23.9 km Mainvilliers FR View forecast 24.7 km Lucé FR View forecast 24.9 km Luisant FR View forecast

Weather notice Forecasts are for general planning. During severe weather, follow official alerts and local authority instructions.