Montreal is set to experience a notable weather transition over a 48-hour period, moving from a damp and cool Sunday into a much warmer and clearer Monday evening, according to The Weather Network forecast published on May 24, 2026.
Rain and Cool Temperatures on May 24
On May 24, the morning will see temperatures around 11°C with moderate rain and breezy winds gusting up to 32 km/h.
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Approximately 5.5 mm of rainfall is expected between 7 AM and 11 AM, peaking at 1.4 mm around 9 AM.
Rain continues into the afternoon as temperatures rise slightly to 12°C.
Steady winds at 20 km/h bring gusts reaching 33 km/h, with ongoing precipitation of about 3.2 mm keeping the atmosphere damp.
These conditions may impact outdoor events such as the Formula 1 Grand Prix.
By evening, rain chances decrease to 60% and winds lighten to 18 km/h.
Temperatures hold near 11°C with minimal rainfall of about 0.5 mm, providing a quieter end to the day.
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Improving Weather on May 25
A separate forecast outlines improving conditions for May 25.
The morning starts with a high 90% chance of rain and cool temperatures near 12°C, accompanied by light winds at 10 km/h.
The afternoon shows marked improvement as clouds dominate and rain chances drop to 30%.
Temperatures gradually warm to a comfortable peak of 20°C, creating favorable conditions for the Go Bike Montreal festival events.
The weather system clears up completely by evening, leaving only a 20% chance of rain.
Mild temperatures remain steady at 20°C, while gentle winds increase slightly to 15 km/h.
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Overall, Montreal weather transitions from continuous rain and cool temperatures on May 24 to warming conditions and clearer skies by the evening of May 25.
