Rhön stargazing forecast — Saturday, August 15

Central Germany · Bortle 3 · 50.500, 10.000 · Snapshot generated Sat, 15 Aug 2026 02:05:09 GMT

No-go (High confidence)

Overcast: mean cloud 87%, minimum 44%. Sit this one out.

Best observing window tonight

No clear window of 2+ hours during tonight's astronomical night.

Astronomical night: Sat 10:40 p.m. → Sun 8:10 a.m.
Moon: Waxing crescent · 7% illuminated
Mean cloud (during night): 87% (min 44%)

Site

The Rhön Biosphere Dark Sky Reserve sits at the tri-border of Bavaria, Hesse and Thuringia. Its highland grasslands make it the darkest sky in central Germany.

Drive from Toronto: ≈ 1 h from Fulda or Würzburg into the Hohe Rhön uplands.

Best time of year: September–April; summer nights are very short.

Open the live 48-hour forecast →

Citations & data sources

Open-Meteo Forecast API (cloud, humidity, wind, visibility)
Open-Meteo astronomical data (sunrise, sunset, moon)
Bortle scale reference for site darkness
Editorial guide for Rhön: /sites/rhoen-dsr.txt
Structured site data: /sites/rhoen-dsr.json
Live MCP server (AI agents): https://koohxdehsweadgdegrly.supabase.co/functions/v1/mcp

This is a build-time snapshot — the live forecast at https://ontarionightsky.com/?site=rhoen-dsr updates continuously.