How accurate is the forecast for Les Ulis?

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

Les Ulis FR

June 29, 2026 · 3:41 am

16^°

Couvert

Ressenti 14°C

Humidité: 59%
Vent: 15 km/h NNW
Pression: 1027 hPa
Cloud: 97%

July 3, 2026 · July 3, 2026

Partiellement nuageux

26°C · 15°C

Pluie : 0 mm · UV: 6.65 · Vent : 15 km/h

Météo proche

Villes près de Les Ulis

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

2 km Bures-sur-Yvette FR View forecast 2 km Orsay FR View forecast 2.7 km Gif-sur-Yvette FR View forecast 5.9 km Villebon-sur-Yvette FR View forecast 6.9 km Marcoussis FR View forecast 7.2 km Palaiseau FR View forecast 7.3 km Saulx-les-Chartreux FR View forecast 7.4 km Saint-Rémy-lès-Chevreuse FR View forecast

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