How accurate is the forecast for Boulogne-Billancourt?

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

Boulogne-Billancourt FR

June 29, 2026 · 2:19 am

18^°

Couvert

Ressenti 16°C

Humidité: 58%
Vent: 14 km/h NW
Pression: 1026 hPa
Cloud: 100%

Prévision sur 7 jours

June 29, 2026 Light showers 5% 28°C / 17°C June 30, 2026 Couvert 10% 29°C / 17°C July 1, 2026 Couvert 3% 25°C / 17°C July 2, 2026 Couvert 3% 26°C / 16°C July 3, 2026 Partiellement nuageux 1% 26°C / 16°C July 4, 2026 Ciel dégagé 0% 29°C / 14°C July 5, 2026 Couvert 0% 32°C / 15°C

Météo proche

Villes près de Boulogne-Billancourt

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

2.2 km Sèvres FR View forecast 2.4 km Meudon FR View forecast 3 km Saint-Cloud FR View forecast 3.1 km Issy-les-Moulineaux FR View forecast 3.8 km Ville-d'Avray FR View forecast 3.8 km Vanves FR View forecast 4.1 km Clamart FR View forecast 4.1 km Suresnes FR View forecast

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