Observed at: Montréal-Trudeau Int'l Airport
Date: Sunday May 16, 2021 at 05:00 EDT
Partly Cloudy
Partly Cloudy
Temp.: 9.9 °C
Wind: SSW 7 km/h
Humidity: 66 %
Dew point: 3.8 °C
Pressure: 102.2 kPa
Tendency: rising
Visibility: 24.1 km
Sunrise: 05:23
Sunset: 20:19
Normals:
Max 20°C Min 8°C
Yesterday
  Max: 24.7 °C
  Min: 9.8 °C
  Rainfall: 0.0 mm

 Extended Forecast - Environment Canada
Sunday
Chance of showers (40%)
Chance of showers
Max: 23°C
Monday
Mainly sunny
Mainly sunny
Max: 25°C
Tuesday
Sunny
Sunny
Max: 26°C
Wednesday
Sunny
Sunny
Max: 30°C
Thursday
A mix of sun and cloud
A mix of sun and cloud
Max: 28°C
Friday
A mix of sun and cloud
A mix of sun and cloud
Max: 29°C
Saturday
A mix of sun and cloud
A mix of sun and cloud
Max: 28°C
Sunday night
Chance of showers (40%)
Chance of showers
Min: 13°C
Monday night
Clear
Clear
Min: 15°C
Tuesday night
Clear
Clear
Min: 15°C
Wednesday night
Clear
Clear
Min: 18°C
Thursday night
Cloudy periods
Cloudy periods
Min: 17°C
Friday night
Cloudy periods
Cloudy periods
Min: 17°C
 

Forecast

Montréal, QC (Issued: Sunday May 16, 2021 at 05:00 EDT)

Today
Sunny this morning then a mix of sun and cloud with 40 percent chance of showers this afternoon. Risk of a thunderstorm this afternoon. Wind becoming southwest 20 km/h gusting to 40 this afternoon. High 23. UV index 6 or high.
Tonight
Partly cloudy with 40 percent chance of showers early this evening and risk of a thunderstorm. Clearing late this evening. Wind southwest 20 km/h gusting to 40 becoming light this evening. Low 13.
Monday
Mainly sunny. Wind becoming southwest 20 km/h in the afternoon. High 25. UV index 6 or high.
Monday night
Clear. Low 15.
Tuesday
Sunny. High 26.
Tuesday night
Clear. Low 15.
Wednesday
Sunny. High 30.
Wednesday night
Clear. Low 18.
Thursday
A mix of sun and cloud. High 28.
Thursday night
Cloudy periods. Low 17.
Friday
A mix of sun and cloud. High 29.
Friday night
Cloudy periods. Low 17.
Saturday
A mix of sun and cloud. High 28.
Averages and extremes
Highest temperature(1942-2012)30.9 °C1991
Lowest temperature(1942-2012)-0.6 °C1957
Average high19.1 °C 
Average low7.7 °C 
Average13.4 °C 
Greatest rainfall(1942-2012)33.4 mm1994
Greatest snowfall(1942-2012)0.0 cm1942
Greatest precipitation(1942-2012)33.4 mm1994
Most snow on the ground(1955-2012)0.0 cm1955
Monthly frequency of precipitation44.0 % 

24 Hour Forecast - Montréal, QC

Date/Time
(EDT)
Temp.
(°C)

Weather Conditions

LOP †
Wind
(km/h)
16 May 2021
06:00 12 Sunny (0%)  Sunny Nil SW 15
07:00 14 Sunny (0%)  Sunny Nil SW 15
08:00 15 Sunny (0%)  Sunny Nil SW 15
09:00 16 Sunny (0%)  Sunny Nil SW 15
10:00 17 Sunny (0%)  Sunny Nil SW 15
11:00 18 Sunny (0%)  Sunny Nil SW 15
12:00 19 A mix of sun and cloud (0%)  A mix of sun and cloud Nil SW 15
13:00 19 A mix of sun and cloud (0%)  A mix of sun and cloud Nil SW 15
14:00 20 Chance of showers. Risk of thunderstorms (40%)  Chance of showers. Risk of thunderstorms Low SW 15
15:00 21 Chance of showers. Risk of thunderstorms (40%)  Chance of showers. Risk of thunderstorms Low SW 20 gust 40
16:00 22 Chance of showers. Risk of thunderstorms (40%)  Chance of showers. Risk of thunderstorms Low SW 20 gust 40
17:00 23 Chance of showers. Risk of thunderstorms (40%)  Chance of showers. Risk of thunderstorms Low SW 20 gust 40
18:00 23 Chance of showers. Risk of thunderstorms (40%)  Chance of showers. Risk of thunderstorms Low SW 20 gust 40
19:00 22 Chance of showers. Risk of thunderstorms (40%)  Chance of showers. Risk of thunderstorms Low SW 20 gust 40
20:00 22 Chance of showers (40%)  Chance of showers Low SW 20 gust 40
21:00 21 Partly cloudy (0%)  Partly cloudy Nil VR 5
22:00 20 Clear (0%)  Clear Nil VR 5
23:00 19 Clear (0%)  Clear Nil VR 5
17 May 2021
00:00 17 Clear (0%)  Clear Nil VR 5
01:00 16 Clear (0%)  Clear Nil VR 5
02:00 14 Clear (0%)  Clear Nil VR 5
03:00 14 Clear (0%)  Clear Nil VR 5
04:00 13 Clear (0%)  Clear Nil VR 5
05:00 13 Sunny (0%)  Sunny Nil 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