Grab your umbrellas and rain boots—up to 15 mm of rain is expected on October 31, 2025.
Whether you’re heading out to one of Montreal’s epic Halloween parties or hitting a haunted house, make sure you’re dressed for the weather.
According to the Weather Network, Friday, October 31, 2025, is going to start out with a 100% chance of rain and feeling like 4 °C.
The rain is expected to continue until the afternoon where temperatures will feel more like 8 °C.
Evening showers will continue into the night, with lows that will feel like -1 °C.
Wind gusts will reach up to 24 km per hour (make sure those decorations are secured!) with humidity levels reaching 100%.
What is the weather like in Montreal in October?
The average temperature in Montreal in October for a typical day ranges from a high of 14 °C to a low of 5 °C.
This winter, expect dangerous wind chills and prolonged deep freezes if you live in Quebec according to the Farmers’ Almanac.
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