Porto, Porto District, Portugal
Is Tonight Good for Stargazing in Porto, Porto District, Portugal?
Poor conditions tonight in Porto, Porto District, Portugal — 100% cloud cover — above the 80% threshold generally considered a washout for sky viewing. 28% moon illumination — a crescent-to-quarter moon, manageable for most targets.
100% cloud cover — above the 80% threshold generally considered a washout for sky viewing.
28% moon illumination — a crescent-to-quarter moon, manageable for most targets.
17.7 mi visibility — at or above the ~6mi threshold for excellent atmospheric transparency.
63% chance of precipitation — at or above NWS's "likely" forecast-language threshold (≥60%).
| Day | Cloud cover | Rain chance |
|---|---|---|
| Tue | 84% | 63% |
| Wed | 56% | 5% |
| Thu | 14% | 0% |
| Fri | 8% | 0% |
| Sat | 58% | 0% |
| Sun | 85% | 3% |
| Mon | 99% | 3% |
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 Porto, Porto District, Portugal?
Poor stargazing conditions tonight in Porto, Porto District, Portugal — 100% cloud cover — above the 80% threshold generally considered a washout for sky viewing. 28% moon illumination — a crescent-to-quarter moon, manageable for most targets.
What is the moon phase in Porto, Porto District, Portugal tonight?
The moon is currently in its waning crescent phase, 28% illuminated.