OpenSprinkler › Forums › OpenSprinkler Unified Firmware › Zimmerman Method without wunderground? › Reply To: Zimmerman Method without wunderground? August 20, 2018 at 5:20 pm #52171 rlkeckParticipant Assuming you have recent firmware, the answerer is yes. If you don’t have a WU key, OpenSprinkler defaults to using OpenWeatherMap for weather data. You should see the current weather showing up near the top of the main screen of the app.
