Open-Meteo: The Best Free Weather API (No Key, Global Coverage)

Open-Meteo provides weather forecasts for any location — free, no API key, 16-day forecasts. Quick Start https://api.open-meteo.com/v1/forecast?latitude=52.52&longitude=13.41&daily=temperature_2m_max,temperature_2m_min,precipitation_sum&timezone=auto What You Get Temperature (min/max) Precipitation (rain, snow) Wind speed and direction UV index Sunrise/sunset Hourly data available Why Open-Meteo? Free — no API key, no signup Global — any coordinates worldwide 16-day forecast — vs 5 days from most free APIs Historical data — past weather available Fast — typically under 100ms response I built a Weather Scraper that wraps this with city name geocoding — just enter city names instead of coordinates. Free on Apify Store — search knotless_cadence weather .