Market research firm ForecastWatch recently released an independent report [PDF] that provides a professional comparison of data from 25 weather forecast providers.

The report analyzed global weather forecast data from the above apps for the period January-June 2022 and found that the Weather app from Microsoft Start services ranked #1, outperforming other apps in predicting high temperatures, low temperatures, wind speeds and precipitation.

Microsoft Weather ranked first overall, followed by The Weather Channel and Foreca / Vaisala.
Microsoft Start’s Weather app uses multiple sources, including the National Oceanic and Atmospheric Administration (NOAA), the European Centre for Medium-Range Weather Forecasts (ECMWF) and the Japan Meteorological Agency (JMA), to provide more comprehensive and diverse weather information for more than 200,000 locations worldwide.
By aggregating data from a variety of sources, Microsoft Start’s Weather can create more accurate forecasts by analyzing different models and minimizing errors.