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⚠Yellow Advisory - Frost ▶
3:46 p.m. EDT Friday 16 October 2026

Impact Level: Moderate

Forecast Confidence: High


Temperatures will drop to near the freezing mark overnight Saturday night.

Frost advisories are issued when widespread frost or freezing temperatures are expected during the growing season.

Please continue to monitor alerts and forecasts issued by Environment Canada. To report severe weather, send an email to QCstorm@ec.gc.ca or post reports on social media using #QCStorm.

In effect for:
  • Montréal Island area
Observed at: Montréal-Trudeau Int'l Airport
Date: 6:00 PM EDT Friday 16 October 2026
Mostly Cloudy
Mostly Cloudy 		Temp.: 9 °C
Wind: WNW 28 gust 43 km/h
Humidity: 78 %
Dew point: 5 °C
Pressure: 100.4 kPa
Tendency: 0.32 kPa
Visibility: 24 km 		Sunrise: 7:11
Sunset: 18:07
Normals:
Max 12°C Min 3°C
 Extended Forecast - Environment Canada
  Sat, 17 Oct
Sunny
Sunny
Max: 7°C
 Sun, 18 Oct
A mix of sun and cloud
A mix of sun and cloud
Max: 14°C
 Mon, 19 Oct
Sunny
Sunny
Max: 16°C
 Tue, 20 Oct
Sunny
Sunny
Max: 15°C
 Wed, 21 Oct
Sunny
Sunny
Max: 14°C
 Thu, 22 Oct
Sunny
Sunny
Max: 14°C
Tonight
Chance of showers (30%)
Chance of showers
Min: 2°C
 Night
A few clouds
A few clouds
Min: 1°C
 Night
Clear
Clear
Min: 9°C
 Night
Clear
Clear
Min: 6°C
 Night
Clear
Clear
Min: 6°C
 Night
Clear
Clear
Min: 5°C

Forecast

Montréal, QC (Issued: 3:45 PM EDT Friday 16 October 2026)

Tonight
Mainly cloudy. 30 percent chance of showers early this evening. Clearing before morning. Wind becoming northwest 20 km/h gusting to 40 early this evening. Low plus 2 with risk of frost.
Sat, 17 Oct
Sunny. Wind northwest 20 km/h gusting to 40. High 7. UV index 3 or moderate.
Night
Clear. Becoming partly cloudy overnight. Wind west 20 km/h becoming light in the evening. Low plus 1 with patchy frost.
Sun, 18 Oct
Clearing. High 14.
Night
Clear. Low 9.
Mon, 19 Oct
Sunny. High 16.
Night
Clear. Low 6.
Tue, 20 Oct
Sunny. High 15.
Night
Clear. Low 6.
Wed, 21 Oct
Sunny. High 14.
Night
Clear. Low plus 5.
Thu, 22 Oct
Sunny. High 14.

Date/Time Temp.
(°C)
Weather Conditions
LOP †		 Wind
(km/h)
16 October 2026
7 PM 9 Cloudy (0%)  Cloudy 0 W 20 gust 40
8 PM 8 Cloudy (0%)  Cloudy 0 W 20 gust 40
9 PM 8 Cloudy (0%)  Cloudy 0 W 20 gust 40
10 PM 7 Cloudy (0%)  Cloudy 0 W 20 gust 40
11 PM 7 Cloudy (0%)  Cloudy 0 W 20 gust 40
17 October 2026
12 AM 6 Mainly cloudy (0%)  Mainly cloudy 0 NW 20 gust 40
1 AM 6 Mainly cloudy (0%)  Mainly cloudy 0 NW 20 gust 40
2 AM 5 Mainly cloudy (0%)  Mainly cloudy 0 NW 20 gust 40
3 AM 4 Mainly cloudy (0%)  Mainly cloudy 0 NW 20 gust 40
4 AM 4 Partly cloudy (0%)  Partly cloudy 0 NW 20 gust 40
5 AM 3 Partly cloudy (0%)  Partly cloudy 0 NW 20 gust 40
6 AM 3 A few clouds (0%)  A few clouds 0 NW 20 gust 40
7 AM 2 Sunny (0%)  Sunny 0 NW 20 gust 40
8 AM 2 Sunny (0%)  Sunny 0 NW 20 gust 40
9 AM 3 Sunny (0%)  Sunny 0 NW 20 gust 40
10 AM 3 Sunny (0%)  Sunny 0 NW 20 gust 40
11 AM 4 Sunny (0%)  Sunny 0 NW 20 gust 40
12 PM 5 Sunny (0%)  Sunny 0 W 20 gust 40
1 PM 6 Sunny (0%)  Sunny 0 W 20 gust 40
2 PM 7 Sunny (0%)  Sunny 0 W 20 gust 40
3 PM 7 Sunny (0%)  Sunny 0 W 20 gust 40
4 PM 6 Sunny (0%)  Sunny 0 W 20 gust 40
5 PM 6 Sunny (0%)  Sunny 0 W 20 gust 40
6 PM 5 Clear (0%)  Clear 0 W 20
 
† Likelihood of Precipitation (LOP) as described in the public forecast as a chance of measurable precipitation for a period of time.
  Nil: 0%
  Low: 40% or below
  Medium: 60% or 70%
  High: Above 70%

Environment Canada