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89 lines
3.9 KiB
Markdown
89 lines
3.9 KiB
Markdown
---
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layout: page
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title: "Forecast.io"
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description: "How to integrate Forecast.io within Home Assistant."
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date: 2015-04-25 9:06
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sidebar: true
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comments: false
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sharing: true
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footer: true
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logo: forecast.png
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ha_category: Weather
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featured: true
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ha_release: pre 0.7
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---
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The `forecast` platform uses the [Forecast.io](https://forecast.io/) web service as a source of meteorological data for your location. The location is based on the `longitude` and `latitude` coordinates configured in your `configuration.yaml` file. The coordinates are auto-detected but to take advantage of the hyper-local weather reported by forecast.io, you can refine them down to your exact home address. GPS coordinates can be found by using [Google Maps](https://www.google.com/maps) and clicking on your home or [Openstreetmap](http://www.openstreetmap.org/).
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You need an API key which is free but requires [registration](https://developer.forecast.io/register). You can make up to 1000 calls per day for free which means that you could make one approximately every 86 seconds.
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<p class='note warning'>
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[Forecast.io](https://forecast.io/) will charge you $0.0001 per API call if you enter your credit card details and create more than 1000 calls per day.
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</p>
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To add Forecast.io to your installation, add the following to your `configuration.yaml` file:
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```yaml
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# Example configuration.yaml entry
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sensor:
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platform: forecast
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api_key: YOUR_APP_KEY
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monitored_conditions:
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- summary
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- icon
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- nearest_storm_distance
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- nearest_storm_bearing
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- precip_type
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- precip_intensity
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- precip_probability
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- temperature
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- apparent_temperature
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- dew_point
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- wind_speed
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- wind_bearing
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- cloud_cover
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- humidity
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- pressure
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- visibility
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- ozone
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- minutely_summary
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- hourly_summary
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- daily_summary
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- temperature_max
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- temperature_min
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- apparent_temperature_max
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- apparent_temperature_min
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- precip_intensity_max
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```
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Configuration variables:
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- **api_key** (*Required*): Your API key for http://forecast.io/.
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- **monitored_conditions** array (*Required*): Conditions to display in the frontend.
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- **summary**: A human-readable text summary of the current conditions.
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- **precip_type**: The type of precipitation occurring.
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- **precip_intensity**: The average expected intensity of precipitation occurring.
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- **precip_probability**: A value between 0 and 1 which is representing the probability of precipitation.
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- **temperature**: The current temperature.
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- **apparent_temperature**: A numerical value representing the apparent (or "feels like") temperature.
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- **dew_point**: The dew point.
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- **wind_speed**: The wind speed.
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- **wind_bearing**: Where the wind is coming from in degrees, with true north at 0° and progressing clockwise.
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- **cloud_cover**: The percentage of sky occluded by clouds.
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- **humidity**: The relative humidity.
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- **pressure**: The sea-level air pressure in millibars.
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- **visibility**: The average visibility.
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- **ozone**: The columnar density of total atmospheric ozone in Dobson.
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- **minutely_summary**: A human-readable text summary for the next hour.
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- **hourly_summary**: A human-readable text summary for the next 24 hours.
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- **daily_summary**: A human-readable text summary for the next 7 days.
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- **temperature_max**: Today's expected high temperature.
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- **temperature_min**: Today's expected low temperature.
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- **apparent_temperature_max**: Today's expected apparent high temperature.
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- **apparent_temperature_min**: Today's expected apparent low temperature.
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- **precip_intensity_max**: Today's expected maximum intensity of precipitation.
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- **units** (*Optional*): Specify the unit system. Default to `si` or `us` based on the temperature preference in Home Assistant. Other options are `auto`, `us`, `si`, `ca`, and `uk2`.
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`auto` will let forecast.io decide the unit system based on location.
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Details about the API are available in the [Forecast.io documentation](https://developer.forecast.io/docs/v2).
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