Winter Forecast 2024 Ontario. Will it be a bad winter? Residents in southern ontario, quebec, and atlantic canada should be prepared for the possibility of a white easter sunday.

Winter officially starts on thursday, december 21, 2023, but cold temperatures will blow in before then. On september 14th, 2023 the national oceanic & atmospheric administration diagnostic discussion issued by the climate prediction centre anticipated el niño through the northern hemisphere winter, with a greater than 95% chance during the period of january through march 2024.