OpenSprinkler › Forums › OpenSprinkler Unified Firmware › Openweathermap watering 0% › Reply To: Openweathermap watering 0% April 8, 2019 at 3:34 pm #59642 PeterParticipant To the original posters that were questioning the Openweathermap rain information, a problem with the OWM based calculation has been identified and the OS guys will be responding as soon as possible. Link is here .