Clear Sky Clock

Subscribe to Syndicate
Cloud Cover (%) Clear 10 20 30 40 50 60 70 80 90 DOME
100
CLOSED
Transparency Transparent Above
Average
Average Below
Average
Poor Too Cloudy
to
Forecast
         
Seeing Excellent
5/5
Good
4/5
Average
3/5
Poor
2/5
Bad
1/5
           
Wind
kph
mph

 
0-8
0-5
9-18
6-11
19-27
12-16
28-45
17-28
DOME
46-72
29-48
CLOSED
DOME
>72
>45
CLOSED