Will skies be clear over southern Ontario Friday night?

Skies are likely to be partly clear over most regions during the evening, except for more extensive low cloud near the GTHA (due to a region of low-level moisture which is forecast to be north of Lake Ontario during the early evening, illustrated below), and then becoming increasingly cloudy after midnight (due to increasing moisture ahead of Saturday’s low pressure trough which is forecast to move over the southern Great Lakes region, illustrated below for 2 am).