I maintain four weather drivers. Two require a Personal Weather Station (PWS) and that you use with Weather-Display software (required) which is used to create the data files that the driver relies upon. One of those uses DarkSky.net as the forecast source, the other uses OpenWeatherMap.com as the forecast source.
Weather-Display with Dark Sky.net Forecast Driver
Weather-Display with OpenWeatherMap Forecast Driver
The other two drivers use DarkSky and OpenWeatherMap, but do NOT require a PWS. They use those sources for all weather data.
DarkSky.net weather driver
OpenWeatherMap Weather Driver
