Just got an announcement that Dark Sky join Apple.
Here is their announcement:
We have some important news to share: Dark Sky has joined Apple. You can read more here: https://blog.darksky.net.
The self-service API 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.
If you have any questions, please contact us at firstname.lastname@example.org.
- The Dark Sky Team