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

June 30, 2026 · 3:17 pm

29^°

Parcialmente nublado

Sensación 28°C

Humedad: 28%
Viento: 8 km/h SW
Presión: 1020 hPa
Cloud: 87%

Índice UV

Moderada

4.3

Wear sunscreen and a hat outdoors.

Clima cercano

Ciudades cerca de 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.