send_outdoor_temperature.yaml

blueprint:
  name: Update second display to show outdoor temperature.
  description: Send outdoor temperature to thermostat second display. You need a sensor from Openweathermap, environment canada or any good local temperature source. Temperature is updated each time the sensor is updated.
  domain: automation
  source_url: https://github.com/claudegel/sinope-zha/tree/master/automation/blueprints/send_oudoor_temperature.yaml
  input:
    weather_entity:
      name: Your City Weather source.
      description: Entity ID of the outdoor temperature sensor.
      selector:
        entity:
          domain: sensor
    climate_target:
      name: Thermostat_ieee
      description: Target thermostat entity. Can put more then one.
      selector:
        target:
          entity:
            domain: climate

# If outdoor temperature change we update the thermostat display.
mode: single

triggers:
  - trigger: state
    entity_id: !input weather_entity

variables:
  thermostats:
    - !input climate_target

actions:
  - repeat:
      count: "{{thermostats|length}}"
      sequence:
        - action: zha.set_zigbee_cluster_attribute
          data:
            cluster_type: in
            ieee: "{{ thermostats[repeat.index-1] }}"
            endpoint_id: 1
            cluster_id: 0xff01
            attribute: 0x0010
            value: "{{ ( trigger.to_state.state|float * 100 ) |int }}"