This clock attempts to show when in the next 48 hours we might expect clear and dark skies. It’s intended for amateur astronomers. Best seeing conditions are when the Cloud cover, transparency, seeing and darkness are in the dark blue range. The lighter the color the less optimal the observing or imaging conditions will be.Click on any square to get a detail map for that time period.
Additional information on how this data is gathered can be attained from the Canadian Meteorological Center.
Clear sky clocks for other parts of the country can be found here.