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Summary

The Montreal Weather Forecast Shows A 20° Temperature Swing This Week — Get Ready For Heat

You're hot then you're cold, you're yes then you're no... 😎➡️🥶

Sunrise over downtown Montreal on a fall day.

Sunrise over downtown Montreal on a fall day.

Senior Editor

The Montreal weather forecast shows humidex values approaching 30 this week. Take it as either summer's last breath or evidence of a planet hurtling toward climate catastrophe.

Environment Canada is predicting a three-day temperature buildup, beginning with a high of 19 C on Monday, October 24, and peaking at 24 C on Wednesday, October 26.

But the hottest day of the week could be Tuesday, when the federal weather agency anticipates a daytime high of 23 C and a peak humidex ("feels-like") value of 28.

More typically late-October temperatures could arrive by the end of the week: highs of 15 C on Thursday, 10 C on Friday and 13 C on Saturday. Lows could teeter on the edge of negative temperatures: just 1 C on Thursday and Friday.

That's a 23-degree swing between Wednesday's high and Thursday's low.

If the forecast holds up, Montrealers will see at least partially sunny skies all week until Saturday, when Environment Canada predicts a 60% chance of showers.

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    • Thomas MacDonald
    • Senior Editor

      Thomas MacDonald was the Senior Editor of MTL Blog. He received a B.A. with honours from McGill University in 2018 and worked as a Writer and Associate Editor before entering his current role. He is proud to lead the MTL Blog team and to provide its readers with the information they need to make the most of their city.

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