How accurate is the forecast for Guichen?

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

Pronóstico por hora (48 h)

Clima cercano

Ciudades cerca de Guichen

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

7.2 km Bruz FR View forecast 10.4 km Chartres-de-Bretagne FR View forecast 11.8 km Châtillon-sur-Seiche FR View forecast 12.1 km Saint-Jacques-de-la-Lande FR View forecast 12.5 km Mordelles FR View forecast 14.9 km Le Rheu FR View forecast 15.8 km Bain-de-Bretagne FR View forecast 16.8 km Vern-sur-Seiche FR View forecast

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