Open-Meteo API boundary

Evidence-backed facts

1. Open-Meteo documents forecast, historical, climate, marine, air-quality, elevation, geocoding, and model-derived weather data. informative
2. Public and commercial access tiers differ; reads do not grant forecast, warning, model, observation, or Open-Meteo publication authority. informative
3. Clients must bind coordinates, model, variable, time zone, date range, forecast horizon, units, format, and rate tier. informative
4. Model outputs have initialization, resolution, bias, update, and uncertainty limits and do not replace official warnings, local observations, or safety decisions. informative

Primary sources