Apple Weather's forecast is unusable in the whole of Europe because of the data providers they use.
Pretty disappointing to have such a US-centric view on an app that's so integral to a smartphone.
They either should work with European data providers or make the app unavailable outside of those markets similar to how they do it with the "news" app.
I've always been confused by this, as a lot of European countries provide really good forecast data for free for anyone to use. You would assume that a company the size of Apple would be able to integrate with more than a single provider.
Hi, I make Weathergraph, a visual weather forecast app/widget/watch complication, and as I am Europe based, the pretty good Finnish Foreca and Norwegian yr.no are among the data sources (along with Open-Meteo - a german, I think, indie project, and Apple Weather / Dark Sky):
In Germany Apple lists the very reliable Deutscher Wetterdienst as one of their sources but both services seem to differ, at times quite significantly, in their forecasts.