Winter Weather Forecast 2024-24 Ontario. Wintery mix of rain, sleet, and snow in the second week of january over the pacific coast, ontario, quebec, and the maritimes. heavy mountain snows over the rockies and prairies during the first. After a hot august and warm fall in ontario so far, you might be turning your attention to winter.

Test the forecasts for yourself! Find out what weather outlook is for this winter, spring, summer, and fall ahead.