Philadelphia, Pennsylvania, United States
Is Tonight Good for Stargazing in Philadelphia, Pennsylvania, United States?
Good conditions tonight in Philadelphia, Pennsylvania, United States — 0% cloud cover — at or below the 20% threshold amateur-astronomy forecasting tools treat as effectively clear. 23% moon illumination — a crescent-to-quarter moon, manageable for most targets.
0% cloud cover — at or below the 20% threshold amateur-astronomy forecasting tools treat as effectively clear.
23% moon illumination — a crescent-to-quarter moon, manageable for most targets.
31.4 mi visibility — at or above the ~6mi threshold for excellent atmospheric transparency.
0% chance of precipitation — below NWS's "slight chance" threshold (<30%).
| Day | Cloud cover | Rain chance |
|---|---|---|
| Tue | 0% | 0% |
| Wed | 0% | 1% |
| Thu | 8% | 1% |
| Fri | 6% | 1% |
| Sat | 0% | 0% |
| Sun | 82% | 45% |
| Mon | 94% | 49% |
Cloud cover, atmospheric visibility, and moon illumination are sourced from live forecast data; thresholds follow standard amateur-astronomy planning guidance (cloud-cover bands used by tools like Clear Outside/Astrospheric, moonlight bands from astronomy-outreach guidance). Light pollution from nearby cities isn't factored in.
Is tonight good for stargazing in Philadelphia, Pennsylvania, United States?
Good stargazing conditions tonight in Philadelphia, Pennsylvania, United States — 0% cloud cover — at or below the 20% threshold amateur-astronomy forecasting tools treat as effectively clear. 23% moon illumination — a crescent-to-quarter moon, manageable for most targets.
What is the moon phase in Philadelphia, Pennsylvania, United States tonight?
The moon is currently in its waning crescent phase, 23% illuminated.