Darksky was just purchased by Apple. Not sure what effect this will have on the API, but their Android app is shuttering.
According to their blog:
API
Our API service for existing customers is not changing today, but we will no longer accept new signups. The API will continue to function through the end of 2021.
I think I'll try openweather now, but I'm tired of jumping around. It's just for hobby use (1 call per day)