How accurate is the forecast for Saint-Germain-en-Laye?

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

Saint-Germain-en-Laye FR

June 29, 2026 · 1:30 am

17^°

Overcast

Feels like 16°C

Humidity: 70%
Wind: 12 km/h NW
Pressure: 1026 hPa
Cloud: 94%

Today · June 29, 2026

Light showers

26°C · 15°C

Rain: 0 mm · UV: 7.2 · Wind: 14 km/h

Nearby weather

Cities near Saint-Germain-en-Laye

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

1 km Le Pecq FR View forecast 3.1 km Le Vésinet FR View forecast 3.3 km Marly-le-Roi FR View forecast 3.7 km Montesson FR View forecast 3.8 km Chambourcy FR View forecast 4 km Croissy-sur-Seine FR View forecast 4.3 km Louveciennes FR View forecast 4.7 km Poissy FR View forecast

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