Will skies be clear over southern Ontario Tuesday night?
Cloudy skies are expected during the evening, followed by gradually clearing skies after midnight near regions between western Lake Ontario and southern Georgian Bay, as moisture and cloudiness gradually move westward from southern Ontario, while cloudiness is likely to remain over southwestern regions.

Will skies be clear over southern Ontario Friday night?

Mostly clear skies are expected during the evening, except for mostly cloudy skies over southwestern regions by sunset and some high cloud over other regions, and then increasing cloudiness is expected to spread across southern Ontario later in the evening.

Will skies be clear over southern Ontario Wednesday night?

Partly clear skies are expected during the evening, except for some areas of low cloud over some regions, and then high cloud is expected later in the evening, caused by high-level moisture which is forecast to move eastward over southern Ontario overnight (illustrated below for late evening).

Will skies be clear over southern Ontario Tuesday night?
Mostly cloudy skies are likely, due to jetstream-level moisture (illustrated below for early evening) as well as low-level clouds that don't clear out by sunset , but mostly clear skies may develop over some locations especially during early evening.

Will skies be clear over southern Ontario Saturday night?
Mostly clear skies are expected, except for some high cloud during the evening caused by upper-level moisture (illustrated below for early evening) which is forecast to move eastward from southern Ontario later in the evening, and except for some patches of high cloud that may move across southern Ontario overnight (caused by more small regions of upper-level moisture).

Will skies be clear over southern Ontario Friday night?

Cloudy skies are expected during the evening, followed by clearing skies later in the evening as low-level moisture moves southward from the province (illustrated below for late evening), and then clear skies are expected by early morning. 

Will skies be clear over southern Ontario Tuesday night?

Clear skies are expected until increasing high cloudiness begins to move eastward over southern Ontario before morning.

Will skies be clear over southern Ontario Sunday night?

Mostly clear skies are likely, except for some cloudiness over some regions caused by high-level moisture which is forecast to move across most parts of southern Ontario overnight (illustrated below for late evening).

Will skies be clear over southern Ontario Saturday night?

Cloudy skies are expected during the evening until moisture over southern Ontario (illustrated below for early Saturday evening) moves eastward from southern Ontario after midnight, and then skies are likely to become mostly clear before morning over most regions. 

Will skies be clear over southern Ontario Friday night?
Partly or mostly clear skies are likely during some of the time, but periods of low cloud cover are likely to occasionally cause overcast skies.

Will skies be clear over southern Ontario Wednesday night?

Mostly cloudy skies are expected, but enough breaks in the clouds are likely to allow the bright waning moon to be visible art least some of the time and give the appearance of a partly clear sky.

Will skies be clear over southern Ontario Tuesday night?
Cler skies are expected during most of the night, except for increasing high and mid-level cloudiness before morning, due to high-level moisture which is forecast to begin moving across southern Ontario before sunrise.

Will skies be clear over southern Ontario Sunday night?
Mostly cloudy skies are expected during the evening, due to high cloud caused by jetstream-level moisture (illustrated below for early evening), followed by partly clear skies during early morning after most of the high-level cloud moves eastward from southern Ontario.

Will skies be clear over southern Ontario Friday night?
Mostly cloudy skies are expected during the evening, followed by gradually clearing skies around midnight as most of the low clouds move southward, and then mostly clear skies are expected after midnight.

Will skies be clear over southern Ontario Wednesday night?

Mostly clear skies are likely over most regions, while some cloudiness is likely over regions south and east of Georgian Bay (especially during the evening) due to low-level moisture over those regions (illustrated below for early evening).