Weather.gov is described as 'The official website for the US National Weather Service. Data includes forecasts, radar, warnings, and more' and is a weather forecast tool in the online services category. There are more than 25 alternatives to Weather.gov, not only websites but also apps for a variety of platforms, including Android, iPhone, iPad and Android Tablet apps. The best Weather.gov alternative is Geometric Weather, which is both free and Open Source. Other great sites and apps similar to Weather.gov are Windy, Clima, AccuWeather and Open Meteo.