The apps on your phone don't make their own forecast — they blend the same public models and hide the disagreement behind one number. Here's what really powers each big app, and how that model scored in our tests.
Apple Weather, AccuWeather, The Weather Channel and BBC Weather do not run their own models — they all blend the same public forecasts (NWS/NOAA, ECMWF, Met Office and others). So the 'most accurate app' is just the one showing whichever model verifies best where you are.
the built-in weather app on every iPhone and Mac, rebuilt on the Dark Sky engine Apple acquired in 2020.
Read the verdictone of the world's biggest weather brands, known for long-range forecasts and the 'RealFeel' temperature.
Read the verdictweather.com and its app, owned by IBM, one of the most-visited weather services in the US.
Read the verdictthe power-user favourite for its animated maps, used by pilots, sailors and weather enthusiasts.
Read the verdictthe UK's most-used weather service, on the BBC website and app.
Read the verdictCanada's dominant weather brand, on TV, web and mobile.
Read the verdict