Link to information about Apple Weather’s native app for Mac OS and Mac iOS platforms. Information includes the app’s sources for it data:
https://support.apple.com/en-us/105038
Sample screen images from the Apple Weather App. These are screen shots from their application for my Seattle location.
Main (opening) Screen
Expanded map, Precipitation.
Expanded map, zoomed in for local detail, Precipitation.
Expanded map, Temperatures.
Expanded map, Air Quality Index (AQI).
Expanded map, Wind.