Fall Season 2025 Canada Weather. The 2025 almanac predicts a winter with a “heart of cold,” forecasting big freezes and heavy snowfall in the central provinces. Peace region and the rockies will experience slightly milder conditions.
Here’s what to expect over the next three months. Jump to canada’s extended fall forecast 2025 crisp, cool fall ahead fall officially starts on september 22, 2025, and the weather will quickly remind many that colder.