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layout	title	description	date	sidebar	comments	sharing	footer	logo	ha_category	ha_release	ha_iot_class
page	Weather Underground (WUnderground)	Instructions how to integrate Weather Underground (WUnderground) Weather within Home Assistant.	2016-08-18	true	false	true	true	wunderground.png	Weather	0.27	Cloud Polling

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

Obtain a WUnderground API key [here](https://www.wunderground.com/weather/api). A free account allows 500 requests per day or 10 per minute.

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

# Example configuration.yaml entry
sensor:
  - platform: wunderground
    api_key: your_api_key
    monitored_conditions:
      - alerts
      - dewpoint_c
      - dewpoint_f
      - dewpoint_string
      - feelslike_c
      - feelslike_f
      - feelslike_string
      - heat_index_c
      - heat_index_f
      - heat_index_string
      - elevation
      - location
      - observation_time
      - precip_1hr_in
      - precip_1hr_metric
      - precip_1hr_string
      - precip_today_in
      - precip_today_metric
      - precip_today_string
      - pressure_in
      - pressure_mb
      - pressure_trend
      - relative_humidity
      - station_id
      - solarradiation
      - temperature_string
      - temp_c
      - temp_f
      - UV
      - visibility_km
      - visibility_mi
      - weather
      - wind_degrees
      - wind_dir
      - wind_gust_kph
      - wind_gust_mph
      - wind_kph
      - wind_mph
      - wind_string

Configuration variables:

• api_key (Required): See above.
• pws_id (Optional): You can enter a Personal Weather Station ID. The current list of Wunderground PWS stations is available here. If you do not enter a PWS ID, the current location information (latitude and longitude) from your configuration.yaml will be used to display weather conditions.
• lang (Optional): 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).
• monitored_conditions array (Required): Conditions to display in the frontend. The following conditions can be monitored.
  • alerts: Current severe weather advisories
  • dewpoint_c: Temperature in Celsius below which water droplets begin to condense and dew can form
  • dewpoint_f: Temperature in Fahrenheit below which water droplets begin to condense and dew can form
  • dewpoint_string: Text summary of dew point
  • feelslike_c: Feels like (or apparent) temperature in Celsius
  • feelslike_f: Feels like (or apparent) temperature in Fahrenheit
  • feelslike_string: Text summary of how the current temperature feels like
  • heat_index_c: Heat index (combined effects of the temperature and humidity of the air) in Celsius
  • heat_index_f: Heat index (combined effects of the temperature and humidity of the air) in Fahrenheit
  • heat_index_string: Text summary of current heat index
  • elevation: Elevation in feet
  • location: City and State
  • observation_time: Text summary of observation time
  • precip_today_in: Total precipitation in inches
  • precip_today_metric: Total precipitation in metric units
  • precip_today_string: Text summary of precipitation today
  • pressure_in: Atmospheric air pressure in inches
  • pressure_mb: Atmospheric air pressure in millibars
  • pressure_trend: Atmospheric air presure trend signal (+/-)
  • relative_humidity: Relative humidity
  • station_id: Your personal weather station (PWS) ID
  • solarradiation: Current levels of solar radiation
  • temperature_string: Temperature text combinding Fahrenheit and Celsius
  • temp_c: Current temperature in Celsius
  • temp_f: Current temperature in Fahrenheit
  • UV: Current levels of UV radiation. See here for explanation.
  • visibility_km: Average visibility in km
  • visibility_mi: Average visibility in miles
  • weather: A human-readable text summary with picture from Wunderground.
  • wind_degrees: Wind degrees
  • wind_dir: Wind direction
  • wind_gust_kph: Wind gusts speed in kph
  • wind_gust_mph: Wind gusts speed in mph
  • wind_kph: Current wind speed in kph
  • wind_mph: Current wind speed in mph
  • wind_string: Text summary of current wind conditions

All the conditions listed above will be updated each 5 minutes with exception of alerts that will be updated each 15 minutes by default.

Additional details about the API are available here.