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layout title description date sidebar comments sharing footer logo ha_category ha_release ha_iot_class
page Weather UndergroundPWS (WUndergroundPWS) Instructions on how to integrate Weather Underground (WUnderground) Personal Weather Station within Home Assistant. 2019-03-19 true false true true wunderground.png Weather 0.89 Cloud Polling

The wundergroundpws platform uses Weather Underground as a source for current weather information.

Free API keys are only issued to registered and active Weather Underground personal weather station users.

To use this sensor, you need to enter your personal weather station API key and Station ID in configuration.yaml.

To get a free API key:

  1. You must have a personal weather station registered and uploading data to Weather Underground

    a) Join weather Underground

    b) Sign In

    c) My Profile -> My Weather Stations

    d) Add a New PWS

  2. get API key at https://www.wunderground.com/member/api-keys

Please consider this when using the following information.

Current conditions are generated from the wundergroundpws configured pws_id.

Forecast is generated from the HA configured latitude/longitude.

{% linkable_title Configuration %}

To add Wunderground to your installation, add the following to your configuration.yaml file:

# Example configuration.yaml entry
sensor:
  - platform: wundergroundpws
    api_key: YOUR_API_KEY
    pws_id: YOUR_STATION_ID
    monitored_conditions:
      - temp
      - dewpt
      - heatIndex

{% configuration %} api_key: description: The API key for Weather Underground. See above for details. required: true type: string pws_id: description: "You must enter a Personal Weather Station ID. The station id will be used to display current weather conditions." required: true type: string lang: description: Specify the language that the API returns. The current list of all Wunderground language codes is available here. If not specified, it defaults to English (en-US). required: false type: string default: en-US latitude: description: Latitude coordinate for weather forecast (required if longitude is specified). required: false type: string default: Coordinates defined in your configuration.yaml longitude: description: Longitude coordinate for weather forecast (required if latitude is specified). required: false type: string default: Coordinates defined in your configuration.yaml monitored_conditions: description: Conditions to display in the frontend. The following conditions can be monitored. required: true type: list default: symbol keys: (generated from PWS) stationID: description: Your personal weather station (PWS) ID solarRadiation: description: Current levels of solar radiation neighborhood: description: WU PWS reference name obsTimeLocal: description: Text summary of local observation time UV: description: Current levels of UV radiation. See here for explanation. winddir: description: Wind degrees humidity: description: Relative humidity
dewpt: description: Temperature below which water droplets begin to condense and dew can form heatIndex: description: Heat index (combined effects of the temperature and humidity of the air) windChill: description: Wind Chill (combined effects of the temperature and wind)
elev: description: Elevation precipTotal: description: Today Total precipitation precipRate: description: Rain intensity pressure: description: Atmospheric air pressure temp: description: Current temperature windGust: description: Wind gusts speed windSpeed: description: Current wind speed (generated from lat/lon forecast)
precip_1d: description: "[1d]: Forecasted precipitation intensity" precip_chance_1d: description: "[1d]: Forecasted precipitation probability in %"
temp_high_1d: description: "[1d]: Forecasted high temperature" temp_low_1d: description: "[1d]: Forecasted low temperature" wind_1d: description: "[1d]: Forecasted wind speed" weather_1d: description: "[12h]: A human-readable weather forecast of Day" weather_1n: description: "[12h]: A human-readable weather forecast of Night"
{% endconfiguration %}

All the conditions listed above will be updated every 5 minutes.

{% linkable_title Forecasts %}

{% linkable_title Daily forecasts %}

Conditions above marked with [1d] are daily forecasts. To get forecast for different day, replace the number in _1d_ part of the sensor name. Valid values are from 1 to 5.

Conditions above marked with [1n] are nightly forecasts. To get forecast for different night, replace the number in _1n_ part of the sensor name. Valid values are from 1 to 5.

{% linkable_title Additional examples %}

{% linkable_title Daily forecast %}

sensor:
  - platform: wunderground
    api_key: YOUR_API_KEY
    pws_id: YOUR_STATION_ID
    monitored_conditions:
      - weather_1d
      - weather_1n
      - weather_2d
      - weather_2n
      - weather_3d
      - weather_3n
      - weather_4d
      - weather_4n

group:
  daily_forecast:
    name: Daily Forecast
    entities:
      - sensor.pws_weather_1d
      - sensor.pws_weather_1n
      - sensor.pws_weather_2d
      - sensor.pws_weather_2n
      - sensor.pws_weather_3d
      - sensor.pws_weather_3n
      - sensor.pws_weather_4d
      - sensor.pws_weather_4n

{% linkable_title Weather overview %}

Note: While the platform is called “wundergroundpws” the sensors will show up in Home Assistant as “WUPWS” (eg: sensor.wupws_weather_1d).

Note that the Weather Underground sensor is added to the entity_registry, so second and subsequent Personal Weather Station ID (pws_id) will have their monitored conditions suffixed with an index number e.g.

- sensor.wupws_weather_1d_metric_2

Additional details about the API are available here.