Due to ongoing debates about the use and misuse of the “German Support” category to the detriment of users who don’t speak German, the creation of new topics on the category has been closed. Thus, this category is now read-only.
Apparently there is a replacement API for owners/contributors of a Personal Weather Station (PWS) operated by the IBM Weather Company which contains
Current observations from the PWS network
5 day daily forecast
PWS historical data
PWS lookup by geocode, zip code and location
Call volume: 1500/day, 30/minute