About demainmeteo.fr

demainmeteo.fr is a modern French weather site that gathers forecasts and official data in a clear, fast interface.

Our data sources

• Météo-France — vigilance (yellow / orange / red), forest-fire weather
• Global weather models (ECMWF, GFS) — 15-day forecast, UV, air quality, pollen
• Open-Meteo — AROME / ARPEGE models, pollen (CAMS), marine & agronomy data
• RNSA — pollen ; Atmo France — air quality
• RainViewer — rain radar

Technology

Built with vanilla PHP, no framework. File cache + cron warming load pages in ~1 second despite several external APIs. Leaflet maps, self-hosted fonts (CLS = 0).

Our promise

• Fast — under one second, no blocking third-party scripts.
• Honest — we always show the source; if a forecast is uncertain, we say so.
• Ad-free — no banners, no popups, no tracking.
• Official sources — Météo-France and open data.

Questions? Write to us via the contact page.