Frost warning via weather forecast

[Mister-A (Andrew)]

In 2024 openweather no longer provides an hourly state to use in this way, you instead need to call the service to retrieve the hourly forecast for analysis.

Example:

Getting warned when it's going to freeze

An update for late 2024 using the weather.get_forecasts service The following Template provides a sensor that’s updated hourly reporting the lowest forecast temperature for your home zone in the next 24 hours that can then be used in an Automation to send a notification as needed. - trigger: - platform: time_pattern hours: /1 - platform: homeassistant event: start action: - service: weather.get_forecasts data: type: hourly target: entity_id…