Will skies be clear over southern Ontario Sunday night?
Mostly clear skies are likely, except for some mid and high-level clouds likely to appear occasionally over most regions, caused by some high and mid-level moisture which is forecast to be over southern Ontario (illustrated below for mid-evening). Also, more extensive low-level cloudiness is likely over regions south and east of Lake Huron and Georgian Bay.

Will skies be clear over southern Ontario Wednesday night? Mostly clear skies are likely except for some cloudiness due to low-level moisture over regions south and east of Lake Huron and Georgian Bay (illustrated below for early evening).

Will skies be clear over southern Ontario Tuesday night?
Mostly clear skies are likely, except for occasional periods of partly or mostly cloudy sky with low clouds, especially over regions east of Lake Huron.

Will skies be clear over southern Ontario Monday night?
Mostly clear skies are likely, except for occasional periods of partly or mostly cloudy sky with low clouds, especially over regions east of Lake Huron.

Will skies be clear over southern Ontario Saturday night?
Mostly cloudy skies are expected due to extensive low-level moisture which is forecast to be over southern Ontario overnight (illustrated below for early evening). Partly cleraring skies may appear around sunset and early evening over some regions, but mostly cloudy skies seem likely over most regions.

Will skies be clear over southern Ontario Wednesday night?

Partly or mostly clear skies are expected over some regions during the evening, except for more mid-level cloudiness over southwestern regions and some low-level cloudiness that may persist during early evening over regions south and east of Lake Huron and Georgian Bay. Later in the evening and overnight, increasing mid-level cloudiness is expected due to mid-level moisture which is forecast to move eastward over southern Ontario overnight (illustrated below for mid-evening).

Will skies be clear over southern Ontario Tuesday night?

Mostly clear skies are expected during the first several hours after sunset, and then partly cloudy skies are expected over some regions, due to low-level moisture which is forecast to move southward over southern Ontario during the evening (illustrated below for mid-evening).

Will skies be clear over southern Ontario Saturday night?
Mostly cloudy skies are expected over most regions, except for clear skies approximately north and east of Toronto and the GTA, due to a region of moisture which is forecast to be over most of southern Ontario overnight (illustrated below for early evening).

Will skies be clear over southern Ontario Friday night?

Skies are likely to become partly or mostly clear during the evening over many regions, and then become mostly cloudy after midnight, due to a break in mid-level moisture which is forecast to be over southern Ontario overnight (illustrated below for late evening).

Will skies be clear over southern Ontario Thursday night?
Mostly clear skies are likely, except for some areas of low cloudiness, especially over regions south and east of Georgian Bay and Lake Huron, and then more extensive low cloud is likely to develop over most regions before morning.

Will skies be clear over southern Ontario Wednesday night?

Cloudy skies are expected until early morning, and then skies are likely to become clear several hours before sunrise.

Will skies be clear over southern Ontario Tuesday night?

Mostly cloudy skies are likely during the evening, due to lots of low-level cloudiness caused by widespread low-level moisture which is forecast to be over southern Ontario overnight (illustrated below for early evening) and then decreasing cloudiness is likely by late evening and overnight as the moisture gradually moves eastward.

Will skies be clear over southern Ontario Sunday night?
Skies are likely to be mostly clear during the evening except for some high clouds caused by some high-level moisture which is forecast to move over southern Ontario overnight (illustrated below for early evening), and then increasing high cloud is expected during the night, followed by increasing low-level cloudiness over most southwestern regions before sunrise.

Will skies be clear over southern Ontario Saturday night?

Mostly cloudy skies are expected, due to widespread mid and high-level moisture causing lots of high cloudiness, but the full moon will likely be visible at least some of the time and may give the appearance of clearing skies. Clearing skies are likely during early Sunday as the moisture moves eastward from southwestern Ontario (illustrated below for early Sunday morning) and most regions may become clear before sunrise.