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Home Assistent integration to fetch the (2h) precipitation forecast from Buienradar (NL).

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DennisB66/HA-Buienradar-Precipitation-Forecast

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HA-Buienradar-Precipitation-Forecast

Home Assistent integration to fetch the (2h) precipitation forecast from Buienradar (NL).

Installation

Install as a custom integration using HACS (see this guide).

For a manual install:

  • download the integration from the latest release.
  • copy the Buienradar-Precipitation-Forecast directory into your /config/custom_components directory.
  • restart HA.

In your HA installation the following should exist:

custom_components/buienradar_precipitation_forecast/__init__.py
custom_components/buienradar_precipitation_forecast/manifest.json
custom_components/buienradar_precipitation_forecast/sensor.py

Configuration

Add the following to your configuration.yaml file and restart Home Assistant:

sensor:
  - platform: buienradar_precipitation_forecast

Sensor Parameters

Optional Values Description
latitude number Latitude coordinate of the forecast requested
longitude number Longitude coordinate of the forecast requested

Note: the default values for latitude and longitude, if not provided, are taken from the Home Assistant settings.

Sensor Attributes

Attribute Values Description
state number Total expected precipitation (in mm) in the coming 2 hours
forecast json array Expected Precipitation (in mm) for every 5 minutes

Example of usage

The forecast can be visualized using the custom:apexcharts-card:

apexcharts-card

Example of apexcharts-card configuration:

type: custom:apexcharts-card
graph_span: 120min
span:
  start: minute
apex_config:
  chart:
    height: 300px
  dataLabels:
    enabled: true
header:
  title: Buienradar Precipitation Forecast
  show: true
  show_states: true
  colorize_states: false
hours_12: false
now:
  show: true
  label: now
series:
  - entity: sensor.buienradar_precipitation_forecast
    name: total (2h)
    type: column
    color: blue
    show:
      in_header: raw
      name_in_header: false
      extremas: true
    data_generator: |
      return entity.attributes.forecast.map(entry => {
        return [new Date(entry.time), entry.rain];
      });

Example of forecast data:

forecast:
  - time: '2022-04-09T08:45:00'
    rain: 0.02
  - time: '2022-04-09T08:50:00'
    rain: 0.08
  - time: '2022-04-09T08:55:00'
    rain: 0.02
  - time: '2022-04-09T09:00:00'
    rain: 0
  - time: '2022-04-09T09:05:00'
    rain: 0.04
  - time: '2022-04-09T09:10:00'
    rain: 0.02
  - time: '2022-04-09T09:15:00'
    rain: 0.04
  - time: '2022-04-09T09:20:00'
    rain: 0.04
  - time: '2022-04-09T09:25:00'
    rain: 0.08
  - time: '2022-04-09T09:30:00'
    rain: 0.25
  - time: '2022-04-09T09:35:00'
    rain: 1.03
  - time: '2022-04-09T09:40:00'
    rain: 0.67
  - time: '2022-04-09T09:45:00'
    rain: 0.44
  - time: '2022-04-09T09:50:00'
    rain: 0
  - time: '2022-04-09T09:55:00'
    rain: 0
  - time: '2022-04-09T10:00:00'
    rain: 0
  - time: '2022-04-09T10:05:00'
    rain: 0.01
  - time: '2022-04-09T10:10:00'
    rain: 0
  - time: '2022-04-09T10:15:00'
    rain: 0
  - time: '2022-04-09T10:20:00'
    rain: 0
  - time: '2022-04-09T10:25:00'
    rain: 0
  - time: '2022-04-09T10:30:00'
    rain: 0
  - time: '2022-04-09T10:35:00'
    rain: 0
  - time: '2022-04-09T10:40:00'
    rain: 0

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Home Assistent integration to fetch the (2h) precipitation forecast from Buienradar (NL).

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