Will skies be clear over southern Ontario Friday night?
Partly clear skies are expected over most regions, except for southwestern regions where skies are likely to be mostly cloudy by sunset. Lots of high cloud is expected, due to upper-level moisture moving over southern Ontario overnight (illustrated below) but skies may be clear enough for the rising full moon to be visible and cause the impression of partly or mostly clear sky.

Will skies be clear over southern Ontario Thursday night?
Mostly cloudy skies are expected over most regions, due to a region of mid-level moisture which is forecast to move eastward across southern Ontario overnight (illustrated below for early evening) but regions near the GTA may experience partly clear skies during early evening before the thicker cloud cover arrives.

Note: no further updates until November18.
Hope for clear skies somewhere!

Will skies be clear over southern Ontario Thursday night?
Mostly clear skies are expected during the evening, except for low clouds over some regions southeast of Lake Huron and Georgian Bay due to low-level moisture (illustrated below for early evening) and then increasing cloudiness is expected before morning.

Will skies be clear over southern Ontario Wednesday night?
Mostly cloudy skies are expected during the evening, due to widespread low-level moisture which is forecast to be over southern Ontario (illustrated below for early evening), followed by gradually clearing skies over most regions later in the night.

Will skies be clear over southern Ontario Saturday night?
Clearing skies are expected during the evening over most regions as moisture at low and high levels moves over southern Ontario (illustrated below for late evening), except for skies remaining mostly cloudy over regions south and east of Lake Huron and Georgian Bay.