Getting warned when it's going to freeze

[HugosDad (Nick)]

Frost warning via weather forecast

Thought to resurrect this thread as the DarkSky API is now inaccessible, so here is my solution using openWeather: Sensor created in config.yaml sensor: ######## Frost Sensor: - platform: template sensors: 24hrlowtemp: value_template: > {% set start = now().replace(hour=0,minute=0,second=0, microsecond=0) %} {% set end = (start + timedelta(days=1)) %} {% set start = start.strftime("%Y-%m-%dT%H:%M:%S+00:00") %} {% set end = end.strft…