1. North Region Pennsylvania
Best window: Monday 11:00 PM-1:00 AM EDT
Darkness: B2
Excellent dark sky. Milky Way structure is strong.
Dark-sky quality: Best available
Tonight score: 90 (Great)
Main reason: Clear skies
Milky Way visibility | Pennsylvania
Pennsylvania: Milky Way planning tonight
Best window: Monday 11:00 PM-1:00 AM EDT
Tonight score: 94 (Great)
Main reason: Clear window with strong viewing conditions.
Plan for darker horizons and lower moon interference inside the best-window range.
Top Pennsylvania locations
Best places to check tonight
2. Central Region Pennsylvania
Best window: Monday 11:00 PM-1:00 AM EDT
Darkness: B2
Excellent dark sky. Milky Way structure is strong.
Dark-sky quality: Best available
Tonight score: 90 (Great)
Main reason: Clear skies
3. South Region Pennsylvania
Best window: Monday 11:00 PM-1:00 AM EDT
Darkness: B2
Excellent dark sky. Milky Way structure is strong.
Dark-sky quality: Best available
Tonight score: 90 (Great)
Main reason: Clear skies