How accurate is the forecast for Ermont?

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

Ermont FR

June 28, 2026 · 3:45 am

22^°

Ciel dégagé

Ressenti 25°C

Humidité: 82%
Vent: 3 km/h S
Pression: 1018 hPa
Cloud: 0%

Météo proche

Villes près de Ermont

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

1.9 km Eaubonne FR View forecast 2 km Franconville FR View forecast 2.1 km Le Plessis-Bouchard FR View forecast 2.7 km Sannois FR View forecast 2.8 km Saint-Gratien FR View forecast 3 km Saint-Leu-la-Forêt FR View forecast 3 km Saint-Prix FR View forecast 3.2 km Soisy-sous-Montmorency FR View forecast

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