7Timer!
Free no-key weather API focused on astronomical seeing and civil forecasts derived from NOAA GFS model data.
7Timer! is listed in Weather.
Key metrics
No published cap Rate limit No published rate limit; free, keyless forecast API (fair use, be gentle).
Gotchas
No gotchas documented yet. Contribute one if you know a constraint we missed.
Labels
- No auth
No auth
Callable with no API key or login — lowest-friction to integrate.
forecast astronomy gfs no-key civil