Observed at: Montréal-Trudeau Int'l Airport
Date: 2:00 AM EDT Wednesday 17 June 2026
Mainly Clear
Mainly Clear
Temp.: 17 °C
Wind: SW 13 km/h
Humidity: 62 %
Dew point: 10 °C
Pressure: 100.7 kPa
Tendency: 0.03 kPa
Visibility: 24 km
Sunrise: 5:05
Sunset: 20:46
Normals:
Max 24°C Min 13°C
 Extended Forecast - Environment Canada
  Wed, 17 Jun
Chance of showers (30%)
Chance of showers
Max: 23°C
Thu, 18 Jun
Rain
Rain
Max: 21°C
Fri, 19 Jun
Showers
Showers
Max: 20°C
Sat, 20 Jun
Showers
Showers
Max: 20°C
Sun, 21 Jun
Chance of showers (40%)
Chance of showers
Max: 21°C
Mon, 22 Jun
Chance of showers (60%)
Chance of showers
Max: 21°C
Tonight
Chance of showers (30%)
Chance of showers
Min: 15°C
Night
Chance of showers (30%)
Chance of showers
Min: 17°C
Night
Showers
Showers
Min: 16°C
Night
Rain
Rain
Min: 14°C
Night
Chance of showers (60%)
Chance of showers
Min: 14°C
Night
Chance of showers (40%)
Chance of showers
Min: 13°C

Forecast

Mont-Royal, QC (Issued: 3:45 PM EDT Tuesday 16 June 2026)

Tonight
Partly cloudy. 30 percent chance of showers early this evening. Wind southwest 20 km/h gusting to 40 becoming light this evening. Low 15.
Wed, 17 Jun
Sunny early in the morning then a mix of sun and cloud with 30 percent chance of showers in the afternoon. Risk of a thunderstorm in the afternoon. High 23. Humidex 26. UV index 7 or high.
Night
Partly cloudy. 30 percent chance of showers early in the evening with risk of a thunderstorm. Low 17.
Thu, 18 Jun
Rain. High 21.
Night
Showers. Low 16.
Fri, 19 Jun
Showers. High 20.
Night
Rain. Low 14.
Sat, 20 Jun
Showers. High 20.
Night
Cloudy with 60 percent chance of showers. Low 14.
Sun, 21 Jun
A mix of sun and cloud with 40 percent chance of showers. High 21.
Night
Cloudy periods with 40 percent chance of showers. Low 13.
Mon, 22 Jun
Cloudy with 60 percent chance of showers. High 21.

24 Hour Forecast - Mont-Royal, QC

Date/Time Temp.
(°C)

Weather Conditions

LOP †
Wind
(km/h)
17 June 2026
3 AM 16 Clear (0%)  Clear 0 VR 5
4 AM 15 Clear (0%)  Clear 0 VR 5
5 AM 15 Sunny (0%)  Sunny 0 VR 5
6 AM 16 Sunny (0%)  Sunny 0 VR 5
7 AM 17 Sunny (0%)  Sunny 0 VR 5
8 AM 18 Sunny (0%)  Sunny 0 VR 5
9 AM 19 A mix of sun and cloud (0%)  A mix of sun and cloud 0 S 10
10 AM 20 A mix of sun and cloud (0%)  A mix of sun and cloud 0 S 10
11 AM 21 A mix of sun and cloud (0%)  A mix of sun and cloud 0 S 10
12 PM 22 Chance of showers. Risk of thunderstorms (30%)  Chance of showers. Risk of thunderstorms 30 S 10
1 PM 22 Chance of showers. Risk of thunderstorms (30%)  Chance of showers. Risk of thunderstorms 30 S 10
2 PM 23 Chance of showers. Risk of thunderstorms (30%)  Chance of showers. Risk of thunderstorms 30 S 10
3 PM 23 Chance of showers. Risk of thunderstorms (30%)  Chance of showers. Risk of thunderstorms 30 SW 10
4 PM 23 Chance of showers. Risk of thunderstorms (30%)  Chance of showers. Risk of thunderstorms 30 SW 10
5 PM 23 Chance of showers. Risk of thunderstorms (30%)  Chance of showers. Risk of thunderstorms 30 SW 10
6 PM 23 Chance of showers. Risk of thunderstorms (30%)  Chance of showers. Risk of thunderstorms 30 SW 10
7 PM 23 Chance of showers. Risk of thunderstorms (30%)  Chance of showers. Risk of thunderstorms 30 SW 10
8 PM 23 Mainly sunny (0%)  Mainly sunny 0 SW 10
9 PM 22 A few clouds (0%)  A few clouds 0 SW 10
10 PM 20 A few clouds (0%)  A few clouds 0 VR 5
11 PM 19 A few clouds (0%)  A few clouds 0 VR 5
18 June 2026
12 AM 18 A few clouds (0%)  A few clouds 0 VR 5
1 AM 18 A few clouds (0%)  A few clouds 0 VR 5
2 AM 17 A few clouds (0%)  A few clouds 0 VR 5
 
† 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