Data sources
We do not make our own forecasts. Here is where each number comes from. Mentioning a source does not mean it endorses this site.
| Used for | Source | Attribution |
|---|---|---|
| Forecasts, air quality, pollen | Open-Meteo | Weather data by Open-Meteo.com, CC BY 4.0. UK Met Office model data via Open-Meteo is CC BY-SA 4.0. Air quality: CAMS. |
| Place search | GeoNames via Open-Meteo | Location data based on GeoNames. |
| Rain radar | RainViewer | Past two hours, in ten minute steps. |
| Wind, temperature, cloud, pressure and rain maps | NOAA GFS | Public domain US government data. Processed by us; not endorsed by NOAA. |
| Severe weather warnings | Met Office | Crown copyright, shown as published with a link to the original. |
| Flood warnings for England | Environment Agency | This uses Environment Agency flood and river level data from the real-time data API (Beta). Open Government Licence v3.0. |
| Map backgrounds | OpenFreeMap, OpenMapTiles, OpenStreetMap | Map data from OpenStreetMap contributors. |
| News headlines | Met Office, NOAA, NASA Earth Observatory | Headline, short teaser and a link to the original story. |
How often things refresh
Forecasts hourly, radar and warnings every five minutes, flood data and news every fifteen minutes, wind maps every three hours. Our server fetches all of this and caches it.