How accurate is the forecast for Chartres?

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

Chartres FR

July 4, 2026 · 3:15 pm

31^°

Ciel dégagé

Ressenti 30°C

Humidité: 25%
Vent: 10 km/h WNW
Pression: 1026 hPa
Cloud: 0%

Indice UV

Modérée

5.1

Wear sunscreen and a hat outdoors.

Météo proche

Villes près de Chartres

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

2.2 km Lucé FR View forecast 2.2 km Luisant FR View forecast 2.5 km Mainvilliers FR View forecast 22.6 km Épernon FR View forecast 31.7 km Vernouillet FR View forecast 33.3 km Rambouillet FR View forecast 33.5 km Dreux FR View forecast 35.9 km Saint-Arnoult-en-Yvelines FR View forecast

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