OpenWeatherMap provides hyperlocal weather forecast data to Home Assistant, enabling weather-responsive automations. The integration delivers current conditions, hourly forecasts, and daily forecasts including temperature, humidity, wind, pressure, UV index, and precipitation probability.
Weather data from OpenWeatherMap drives smart automations: close blinds before rain, pre-cool the house before a heat wave, adjust irrigation schedules based on precipitation forecasts, or warn clients about freeze conditions that could affect outdoor equipment.
Getting OpenWeatherMap connected to Home Assistant and running reliably.
Add OpenWeatherMap through the integrations panel. Sensors appear as entities with real-time readings for temperature, humidity, motion, contact, and more.
Use OpenWeatherMap sensor readings as triggers and conditions in automations. A motion sensor triggers lights, a contact sensor arms the alarm, a temperature reading adjusts the HVAC.
Track OpenWeatherMap sensor data over time with graphs and statistics. Identify patterns — when is the house warmest, which rooms have humidity issues, how often doors open.
The problems installers run into with OpenWeatherMap and Home Assistant — and how a managed setup prevents them.
The free tier limits API calls to 1,000/day and excludes features like minute-by-minute precipitation forecasting. Busy automations can exhaust the daily quota.
OpenWeatherMap forecasts are based on weather models, not local sensor data. Microclimates, urban heat islands, and elevation differences can make forecasts inaccurate for a specific property.
Stop troubleshooting OpenWeatherMap integration issues. Let Selora handle the setup, monitoring, and maintenance so you can focus on your clients.
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