#How to interpret weather.get_forecast precipitation?

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foggy bane
#

I'm diving into the weather.get_forecasts action. Either Hourly or Daily, it returns precipitation & precipitation probability. However the amount seems to be wrong and is not remotely close to weather app/site. The daily amount seems to be corrected calculated by adding up the hourly rate but still both are way off.

I tried the action on either the Met.no integration and weather.com custom integration and both are giving similar result.

My home zone is correct.

    - cloud_coverage: 100
      condition: snowy
      precipitation: 0.79
      precipitation_probability: 100
      temperature: 17
      templow: 17
      datetime: "2026-01-25T12:00:00Z"
      uv_index: 1
      wind_bearing: NE
      wind_speed: 13
      humidity: 83
    - cloud_coverage: 80
      condition: snowy
      precipitation: 0.03