StarsOutAlert me on good nights
Should you go outside tonight?
Probably not tonight
Too much cloud cover for a good session.
Dublin
3.3
out of 10
Low confidence
Models disagree on tonight — actual conditions may be cloudier.
Peak 2h
5.902:00–04:00
Prime 21–01
2.921:00–01:00
Best this week
8.2Wed, Sep 2
Moon
Waning Gibbous
91% lit
Very bright — stick to planets and the moon itself
🔭 Moon up: 20:32–09:17
📍 SW · 31°
Full moon: Sep 26
Sky now
Clear · 13%
Measured at EIDW · 8km away · 16min ago
Sun ↓ 20:20·Dark from 21:20·88% clouds
🔭
Moon visible today
06:33 – 08:35 · 91% lit · great for telescope viewing
Next great night
Wednesday — 8.2
✨ Great night tonight
Sky quality tonight
Best: 02:00–04:00This week’s nights
Europe/DublinHow the score works
60% weight
Cloud cover
Layer-weighted across the best 2-hour window of the night. Low clouds block everything, thin high cirrus still lets bright stars through.
40% weight
Moon darkness
A new moon boosts the score. A full moon near midnight washes out all but the brightest stars. We ease the penalty after midnight when the moon is setting.