MONTREAL/METEO/WEATHER

ALMANAC FOR TODAY SEP 17

Average Min Temperature: 10.4°C	Average Max Temperature: 20.7°C	Greatest Rainfall: 37.3 mm in 1945
Low Temp Record: 1.7°C in 1943	Hi Temp Record: 30.0°C in 1942	Greatest Snowfall: 0.0 cm in 1871 Most Snow on the Ground: 0 cm in 1955
Maximum low temp: 20.0°C in 1948	Minimum high temp: 10.6°C in 1875	Maximum wind gust: 65.0 km/h in 2012
Highest Humidex: 35°C in 1955

CURRENT HOT AND COLD SPOTS

	World (past 3 hours)	Canada	Quebec
Hot Spot Temperature	42°C at UNKNOWN,	19.4°C at Port Weller (ON)	16.7°C at McTavish
Cold Spot Temperature	-59°C at Amundsen-Scott Stn,Antarctica	-8.4°C at Cape Stallworthy (NU)	-1.3°C at Pingualuit (Parc national)
Wind Gust	94 km/h at Truth Or Consequences, NM,United States
Wind Chill	-74.5 °C at Amundsen-Scott Stn,Antarctica
Heat Index	67.2 °C at Gheshm Island / Dayrestan,Iran

FORECAST FOR MONTREAL

Forecast - Environment Canada

Provided by Montrealsky
	Fri, 18 Sep Mainly sunny Max: 20°C	Sat, 19 Sep Sunny Max: 17°C	Sun, 20 Sep A mix of sun and cloud Max: 18°C	Mon, 21 Sep Sunny Max: 17°C	Tue, 22 Sep Sunny Max: 18°C	Wed, 23 Sep Sunny Max: 18°C
Tonight Clearing Min: 13°C	Night Clear Min: 7°C	Night Cloudy periods Min: 9°C	Night Clear Min: 9°C	Night Clear Min: 4°C	Night Clear Min: 6°C

24 HOUR FORECAST FOR MONTREAL

24 Hour Forecast - Mont-Royal, QC

Date/Time	Temp. (°C)	Weather Conditions	LOP †	Wind (km/h)
18 September 2026
4 AM	14	A few clouds	0	NW 15
5 AM	13	A few clouds	0	NW 15
6 AM	14	A few clouds	0	NW 15
7 AM	14	Mainly sunny	0	NW 15
8 AM	15	Mainly sunny	0	NW 15
9 AM	16	Mainly sunny	0	NW 20
10 AM	17	Sunny	0	NW 20
11 AM	18	Sunny	0	NW 20
12 PM	18	Sunny	0	NW 20
1 PM	19	Sunny	0	NW 20
2 PM	19	Sunny	0	NW 20
3 PM	19	Sunny	0	NW 20
4 PM	20	Sunny	0	NW 20
5 PM	20	Sunny	0	NW 20
6 PM	19	Sunny	0	NW 20
7 PM	17	Clear	0	NW 20
8 PM	16	Clear	0	NW 20
9 PM	15	Clear	0	N 15
10 PM	13	Clear	0	N 15
11 PM	12	Clear	0	N 15
19 September 2026
12 AM	11	Clear	0	N 15
1 AM	11	Clear	0	N 15
2 AM	10	Clear	0	VR 5
3 AM	9	Clear	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%

Weatherunderground Weather Forecast from WeatherUnderground for Montreal/Pierre Elliott Trudeau.

Weather-Forecast from Weather-forecast for Montreal.

Visit MONTREAL WEST celinium.com

WEATHER CONDITONS local time 03:30 on 18 September 2026

Sky Conditions	Temperature and Humidity
	Temperature	15.7 °C	Dew Point	12.4 °C
	Windchill	15.7 °C	Humidity	81%
	Humidex	18.2 °C	Cloud base	1330 ft
Rainfall
	Rainfall Today	0.0 mm	Rainfall Rate	0.0 mm/hr
	Rainfall This Month	45.6 mm	Rainfall This Year	578.2 mm
	Rainfall Last Hour	0.0 mm	Last rainfall	2026-09-13 17:45
Wind
	Wind Speed (gust)	4.8 km/h	Wind Speed (avg)	1.6 km/h
	Wind Bearing	243° WSW	Beaufort F1	Light air
Pressure
	Barometer	1016.43 hPa	Falling slowly	-0.38 hPa/hr
:now::gauges::today::yesterday::records::trends::forum:::Contact:

Latitude N 45° 35' 13" Longitude W 73° 35' 18" Elevation 50 ft

Dawn:	06:07	Sunrise:	06:37	Moonrise:	14:55
Dusk:	19:29	Sunset:	19:00	Moonset:	22:39
Daylight:	13:22	Day length:	12:23	Moon Phase:	Waxing Crescent

Page updated 9/18/2026 3:30:01 AM
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Montrealsky Webcam

NOAA Monthly Report

                   Monthly Climatological Summary for Sep 2026

Name: MONTREAL@ST.LEONARD   City: MONTREAL   State: QUEBEC- CANADA
Elevation: 50 ft  Lat: N 45° 35' 13"   Lon: W 073° 35' 18"

                  Temperature (°C), Rain (mm), Wind Speed (km/h)

                                      Heat  Cool        Avg
    Mean                              Deg   Deg         Wind                 Dom
Day Temp  High   Time   Low    Time   Days  Days  Rain  Speed High   Time    Dir
----------------------------------------------------------------------------------
 1  20.2  25.1   16:27  15.6   05:28   0.5   2.4   0.0   4.9  25.7   13:24    NE
 2  20.0  24.3   14:00  14.2   06:27   0.7   2.4   7.0   7.7  41.8   15:57    SE
 3  22.7  28.0   15:21  18.7   02:20   0.0   4.4   0.2   5.0  40.2   00:34    SW
 4  21.1  24.7   11:50  18.6   05:04   0.0   2.8   0.2   1.6  16.1   10:46     W
 5  18.3  21.5   16:44  14.8   23:52   0.7   0.7   0.6   4.9  35.4   19:59    NE
 6  18.2  23.9   17:09  13.1   06:37   1.7   1.6   0.0   3.2  24.1   15:27   NNW
 7  20.8  26.7   14:08  14.2   06:20   1.0   3.5   0.0   3.9  24.1   12:32   WNW
 8  19.5  23.2   15:56  16.6   05:08   0.4   1.5   6.2   2.5  19.3   11:21   ENE
 9  18.0  21.2   15:45  14.3   07:13   1.3   1.0  20.0   4.0  30.6   22:36   SSE
10  19.9  22.8   14:00  14.5   23:49   0.4   2.0   0.0  12.0  51.5   13:25     W
11  15.2  20.0   17:26  10.8   06:34   3.2   0.2   0.0   5.8  30.6   13:32     W
12  18.9  25.6   16:11  11.9   06:25   1.7   2.4   0.0   4.0  25.7   12:53   SSE
13  21.4  25.6   16:36  19.2   23:54   0.0   3.1  11.4   5.0  38.6   17:34   SSW
14  15.9  19.3   15:24  12.1   23:42   2.4   0.1   0.0   6.6  35.4   02:20     W
15  14.4  19.4   14:06   7.5   05:48   3.9   0.0   0.0   2.6  19.3   12:29    SE
16  20.5  25.7   15:04  17.1   03:40   0.3   2.5   0.0   3.1  22.5   14:59    SW
17  17.8  21.7   15:38  14.3   05:56   1.2   0.7   0.0   1.1  16.1   09:32   NNE
----------------------------------------------------------------------------------
    19.0  28.0     3     7.5    15    19.4  31.3  45.6   4.6  51.5    10      SW

Max >=  32.0:  0
Max <=   0.0:  0
Min <=   0.0:  0
Min <= -18.0:  0
Max Rain: 20.0 on day 9
Days of Rain: 7 (>= 0.1 mm)  4 (>= 5.0 mm)  1 (>= 20.0 mm)
Heat Base: 18.3  Cool Base: 18.3  Method: Integration

NOAA Previous Reports

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