StarsOut
Should you go outside tonight?
Drop everything — go outside
Near-perfect conditions. Nights like this are rare.
Vancouver
9.2
out of 10
Peak 2h
10.002:00–04:00
Prime 21–01
8.821:00–01:00
Best this week
9.9Fri, Jul 17
Moon
Waxing Crescent
2% lit
Moon doesn’t interfere — perfect darkness
🔭 Moon up: 06:51–22:20
📍 W · 4°
Full moon: Jul 29
Sky now
Clear · 0%
Measured at CWWA · 9km away · 46min ago
Sun ↓ 21:13·Dark from 22:13·57% clouds
Alert me on good nightsSky quality tonight
Best: 02:00–04:00This week’s nights
America/VancouverHow 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.