How accurate is the forecast for Longjumeau?

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

Longjumeau FR

July 1, 2026 · 4:33 pm

25^°

Partly cloudy

Feels like 23°C

Humidity: 41%
Wind: 12 km/h NW
Pressure: 1023 hPa
Cloud: 77%

Tomorrow · July 2, 2026

Overcast

24°C · 16°C

Rain: 0 mm · UV: 7.3 · Wind: 17 km/h

Nearby weather

Cities near Longjumeau

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

2 km Saulx-les-Chartreux FR View forecast 2.5 km Épinay-sur-Orge FR View forecast 2.9 km Chilly-Mazarin FR View forecast 3.5 km Morangis FR View forecast 3.9 km Massy FR View forecast 4.2 km Villebon-sur-Yvette FR View forecast 4.3 km Villemoisson-sur-Orge FR View forecast 4.3 km Palaiseau FR View forecast

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