Montreal weather: Warm day to kick off October, before showers move in
Posted October 1, 2026 8:21 am.
Montrealers will get a taste of the bygone summer to kick off October.
On Thursday, the temperature in the city is expected to hit 22 Celsius and humidity making it feel like 26 C. The day starts of with gusts of up to 40 km/h and will see a mix of sun and clouds.
Showers are expected to move in tonight as the temperature remains warm at 17 C.
The rain continues through Friday afternoon with about five to 10 mm expected. The day will remain cloudy for a high of 16 C before clearing in the evening for a low of 9 C.
The weekend looks brighter with Saturday forecast to be sunny with a high of 17 C and a low of 8 C with clear night skies. Sunday will see a mix of sun and clouds for a high of 20 C, but showers return at night with a low of 12 C.