Note: no updates will be able to posted from Monday through Thursday June 1.

Will skies be clear over southern Ontario Sunday night?
Cloudy skies are expected by early evening and overnight, although some regions may have partly clear skies at sunset before skies become overcast.

Will skies be clear over southern Ontario Saturday night?
Mostly clear skies are likely by mid-evening over most regions, except for some clouds that may appear occasionally over most regions due to some moisture that is forecast to be over southern Ontario overnight (illustrated below for late evening).

Will skies be clear over southern Ontario Friday night?
Partly clear skies are likely, except for some mid-level cloudiness that is likely to appear over most regions, especially southwestern regions, due to some mid and upper-level moisture that is forecast to be over southern Ontario overnight (illustrated below for late evening).

Will skies be clear over southern Ontario Monday night?
Mostly cloudy skies are expected, due to lots of mid and upper level moisture, but some breaks in the cloudiness may allow Jupiter and the brighter stars to become visible and cause the impression of partly clear skies occasionaly, especially after midnight.

Will skies be clear Monday night over southern Ontario?
Mostly clear skies are expected, except for some scattered low clouds that may appear occasionally over some or most regions, and except for increasing mid-level cloudiness before morning especially over southwestern regions, due to mid-level moisture (illustrated below for early Tuesday) which is forecast to move over southern Ontario before morning.

Will skies be clear over southern Ontario Sunday night?
Cloudy skies are expected, except for several hours of clearing skies overnight following a cold front and deep mid-and upper-level moisture moving eastward from southern Ontario, and ahead of low-level moisture (illustrated below for late evening and for early Monday) which is forecast to move over southwestern regions during late evening and over regions near GTA early Monday. The gap of partly clearing skies may last for a duration of  few hours.