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Observed at: Montréal-Trudeau Int'l Airport
Date: Wednesday September 27, 2023 at 08:00 EDT
Mostly Cloudy
Mostly Cloudy 		Temp.: 9.6 °C
Wind: N 6 km/h
Humidity: 81 %
Dew point: 6.5 °C
Pressure: 103.1 kPa
Tendency: rising
Visibility: 48.3 km 		Sunrise: 06:47
Sunset: 18:43
Normals:
Max 17°C Min 6°C
Yesterday
  Max: 19.2 °C
  Min: 8.5 °C
  Rainfall: 0.0 mm
 Extended Forecast - Environment Canada
Wednesday
Mainly sunny
Mainly sunny
Max: 21°C
 Thursday
Sunny
Sunny
Max: 23°C
 Friday
Sunny
Sunny
Max: 22°C
 Saturday
Sunny
Sunny
Max: 24°C
 Sunday
Sunny
Sunny
Max: 25°C
 Monday
A mix of sun and cloud
A mix of sun and cloud
Max: 24°C
 Tuesday
A mix of sun and cloud
A mix of sun and cloud
Max: 24°C
Wednesday night
A few clouds
A few clouds
Min: 8°C
 Thursday night
Clear
Clear
Min: 11°C
 Friday night
Clear
Clear
Min: 12°C
 Saturday night
Clear
Clear
Min: 14°C
 Sunday night
Cloudy periods
Cloudy periods
Min: 14°C
 Monday night
Cloudy periods
Cloudy periods
Min: 13°C
  

Forecast

Montréal, QC (Issued: Wednesday September 27, 2023 at 05:00 EDT)

Today
Mainly sunny. High 21. UV index 5 or moderate.
Tonight
A few clouds. Low 8.
Thursday
Sunny. High 23. Humidex 25. UV index 5 or moderate.
Thursday night
Clear. Low 11.
Friday
Sunny. High 22.
Friday night
Clear. Low 12.
Saturday
Sunny. High 24.
Saturday night
Clear. Low 14.
Sunday
Sunny. High 25.
Sunday night
Cloudy periods. Low 14.
Monday
A mix of sun and cloud. High 24.
Monday night
Cloudy periods. Low 13.
Tuesday
A mix of sun and cloud. High 24.
Averages and extremes
Highest temperature(1941-2012)26.6 °C2003
Lowest temperature(1941-2012)-1.2 °C1984
Average high17.0 °C 
Average low6.8 °C 
Average11.9 °C 
Greatest rainfall(1941-2012)40.6 mm1985
Greatest snowfall(1941-2012)0.0 cm1941
Greatest precipitation(1941-2012)40.6 mm1985
Most snow on the ground(1955-2012)0.0 cm1955
Monthly frequency of precipitation37.0 % 

24 Hour Forecast - Montréal, QC

Date/Time
(EDT)		 Temp.
(°C)
Weather Conditions
LOP †		 Wind
(km/h)
27 September 2023
09:00 13 Mainly sunny (0%)  Mainly sunny Nil NE 10
10:00 15 Mainly sunny (0%)  Mainly sunny Nil NE 10
11:00 16 Mainly sunny (0%)  Mainly sunny Nil NE 10
12:00 17 Mainly sunny (0%)  Mainly sunny Nil NE 10
13:00 18 Mainly sunny (0%)  Mainly sunny Nil NE 10
14:00 19 Mainly sunny (0%)  Mainly sunny Nil NE 10
15:00 20 Mainly sunny (0%)  Mainly sunny Nil NE 10
16:00 20 Mainly sunny (0%)  Mainly sunny Nil NE 10
17:00 21 Mainly sunny (0%)  Mainly sunny Nil NE 10
18:00 19 Mainly sunny (0%)  Mainly sunny Nil NE 10
19:00 18 A few clouds (0%)  A few clouds Nil NE 10
20:00 16 A few clouds (0%)  A few clouds Nil NE 10
21:00 15 Clear (0%)  Clear Nil NE 10
22:00 15 Clear (0%)  Clear Nil NE 10
23:00 14 Clear (0%)  Clear Nil NE 10
28 September 2023
00:00 13 Clear (0%)  Clear Nil NE 10
01:00 12 Clear (0%)  Clear Nil NE 10
02:00 11 Clear (0%)  Clear Nil NE 10
03:00 10 Clear (0%)  Clear Nil NE 10
04:00 9 Clear (0%)  Clear Nil NE 10
05:00 8 Clear (0%)  Clear Nil NE 10
06:00 9 Clear (0%)  Clear Nil NE 10
07:00 11 Sunny (0%)  Sunny Nil NE 10
08:00 12 Sunny (0%)  Sunny Nil NE 10
 
† 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