Will skies be clear over southern Ontario Friday night?

Mostly cloudy skies are expected, although some partly clear skies may develop during early evening and allow the planets and brighter stars to be visible and to cause the appearance of clear skies over some locations until thicker cloud cover moves over southern Ontario later in the evening.

Will skies be clear over southern Ontario Thursday night?

Lots of cloudiness, moisture and uplift will remain over southern Ontario overnight along the frontal zone that is over southern Ontario. Mostly cloudy skies  is probably the best answer to the question, but occasional patches of less cloudiness may appear from time to time that may give the appearance of partly clear skies.

Will skies be clear over southern Ontario Wednesday night?

Skies will most likely be cloudy except that skies may be partly clear during the early evening over eastern regions of southern Ontario (generally near Lake Ontario and GTHA) where some mid-level clouds (remaining after possible showers and thunderstorms that may develop during the afternoon) and some clear sky may be visible, until more substantial mid-level moisture (illustrated below for late evening) moves eastward over southern Ontario and causes skies to be mostly cloudy overnight.

Will skies be clear over southern Ontario Tuesday night?

Clear skies are expected.

Will skies be clear over southern Ontario Monday night?
Clear or mostly clear skies are expected, although some scattered low and mid-level clouds may remain over southern Ontario during the evening until all of the moisture with Monday's cold front moves east and leaves clear skies overnight.

Will skies be clear over southern Ontario Saturday night?
Clear skies are expected during the evening, followed by increasing jetstream-level high cloudiness beginning over southwestern regions after midnight. Some high thin jetstream-level clouds may also be visible during the evening over all regions, due to jetstream winds over Ontario (illustrated below for late evening).

Will skies be clear Friday night over southern Ontario?
Clear skies are expected by sunset and overnight.

Will skies be clear Thursday night over southern Ontario?
Mostly cloudy skies are likely, except for some regions during the early evening where high cloudiness may not be thick enough to obstruct the bright planets and moon, and skies might appear to be mostly clear from some urban areas.

Will skies be clear over southern Ontario Wednesday night?
Mostly clear skies are expected to continue overnight, except for some thin jetstream-level cirrus cloud that may occasionally be visible in some regions due to the jetstream over southern Ontario.

Will skies be clear over southern Ontario Tuesday night?
Clear skies are expected.
Some low-level cloud developing during the afternoon will most likely dissipate by or shortly after sunset, and some jetstream-level moisture may move southward over southern Ontario during early morning as the jetstream moves eastward over Ontario, and may be visible as high cirrus cloud by sunrise over some regions.

Will skies be clear over southern Monday night? 

Mostly or completely clear skies are likely with some moisture over southern Ontario during the evening that most likely won’t appear as visible cloudiness.

Will skies be clear over southern Ontario Saturday night?
Mostly clear skies are expected, except for some low and mid-level clouds that may be visible over most regions, due to a region of moisture over southern Ontario overnight (illustrated below for mid-level moisture during late evening).

Will skies be clear over southern Ontario Friday night?

Partly or mostly cloudy skies are likely over most regions, except for clear breaks that may develop in regions near and north of the GTA, following passage of Friday afternoon’s cold front. Extensive mid-level moisture is forecast to remain over most regions of southern Ontario overnight (illustrated below for late evening).

Will skies be clear over southern Ontario Thursday night?

Partly clear skies are likely over some regions, while mostly cloudy conditions are likely near western Lake Ontario regions during the evening. 

Will skies be clear over southern Ontario Wednesday night?

Mostly (or completely) cloudy skies are likely, except for skies that may be partly clear over regions near, north of and south of western Lake Ontario during early evening before mid-level moisture moves eastward and causes mostly cloudy skies (illustrated below for late evening).

Will skies be clear over southern Ontario Tuesday night?
Mostly clear skies are likely during the evening, followed by increasing cloudiness over all of southern Ontario before morning as mid-level moisture increases over southern Ontario (illustrated below for late evening and for early morning). Also, high thin cirrus cloud will most likely be visible over all of southern Ontario most of the time, and will be increasing after midnight.

Will skies be clear over southern Ontario Monday night?

Mostly cloudy skies are likely, except for eastern regions generally near and north of western Lake Ontario, including GTHA, where skies are more likely to be partly clear during the evening. Thicker mid-level moisture is forecast to move eastward over southern Ontario overnight (illustrated below for late evening and for before sunrise) and is likely to cause mostly cloudy skies over eastern regions of southern Ontario after midnight.

Will skies be clear over southern Ontario Sunday night?

Mostly clear skies are likely, except for some high cirrus clouds that may be visible from time to time due to the jetstream over southern Ontario during Sunday evening (illustrated below for late evening).

Saturday: no updates will be posted for Saturday night, but at first glance it appears like skies will partly or mostly clear in southwestern regions while eastern regions near Lake Ontario and GTHA will have more low cloudiness especially during the evening.

Will skies be clear over southern Ontario Thursday night?
Partly clear skies are expected during the evening, except for more cloudiness over southwestern regions, and except for scattered high thin cloudiness over the regions where skies may appear to be clear during the evening. After midnight, cloudiness is expected to move eastward over most or all regions (illustrated by mid-level moisture in the chart below for late evening).

Will skies be clear over southern Ontario Wednesday night?
Cloudy skies are expected until after midnight, and then partial clearing is expected beginning in southwestern regions as mid-level moisture moves eastward (illustrated below for early Thursday). High, thin cloud may be overhead, but a bigger problem may be fog that will form in many locations when the sky becomes clear and the ground cools by radiation to the sky.

Will skies be clear over southern Ontario Tuesday night?

Skies are likely to be clear over most regions, except mostly clear over southwestern regions where some low-level clouds may remain, due to richer low-level moisture overnight over some southwestern regions. Humid air will likely cause any exposed optical surfaces to become dew-covered quickly, and fog is also a possibility by morning over some locations in lower-elevation terrain near rivers or creeks or other sources of moisture.

Will skies be clear over southern Ontario Monday night?
Mostly cloudy skies are expected, at least with jetstream-level cloud, and also with mid or low-level cloudiness over most regions (illustrated by the chart of mid-level moisture below for late evening). Less cloudiness is likely over northeastern regions of southern Ontario, such as north and east of GTA.

Will skies be clear over southern Ontario Sunday night?
Mostly clear skies are likely over most regions, except for high jetstream-level clouds over southwestern regions, associated with the jetstream over southern Ontario (illustrated below for late evening). Most other regions may also have some high, thin clouds appear from time to time.

Will skies be clear over southern Ontario Saturday night?
Mostly clear skies are likely, except for some high jetstream-level clouds that may appear over southwestern Ontario, and except for some mid-level clouds that may appear over some regions during the evening. Mid-and high-level moisture forecast charts are illustrated below for late evening.

Will skies be clear over southern Ontario Friday night?
Clear skies are expected, after residual clouds from the afternoon thunderstorm activity diminish by early evening.