Search for: Log In Register OpenSprinkler › Forums › OpenSprinkler Unified Firmware › Openweathermap watering 0% Tagged: ET0, OWM, WeatherUnderground, Zimmermann This topic has 68 replies, 15 voices, and was last updated 4 years, 5 months ago by Anonymous. You must be logged in to reply to this topic. Log In Username: Password: Keep me signed in Log In OpenSprinkler › Forums › OpenSprinkler Unified Firmware › Openweathermap watering 0%