MONTREAL/METEO/WEATHER

ALMANAC FOR TODAY SEP 21

Average Min Temperature: 10.0°C	Average Max Temperature: 20.2°C	Greatest Rainfall: 46.7 mm in 1938
Low Temp Record: 0.6°C in 1973	Hi Temp Record: 29.4°C in 1965	Greatest Snowfall: 0.0 cm in 1871 Most Snow on the Ground: 0 cm in 1955
Maximum low temp: 21.1°C in 1965	Minimum high temp: 8.3°C in 1904	Maximum wind gust: 78.0 km/h in 2018
Highest Humidex: 37°C in 1965

CURRENT HOT AND COLD SPOTS

	World (past 3 hours)	Canada	Quebec
Hot Spot Temperature	41°C at Puerto Suarez,Bolivia	28.0°C at Osoyoos (BC)	16.1°C at Beauport
Cold Spot Temperature	-17.9°C at Williams Field,Antarctica	-10.2°C at CFS Alert (NU)	1.1°C at Kangiqsujuaq Airport
Wind Gust	93 km/h at Williams Field,Antarctica
Wind Chill	-84.3 °C at Amundsen-Scott Stn,Antarctica
Heat Index	48.5 °C at Dhahran,Saudi Arabia

FORECAST FOR MONTREAL

Forecast - Environment Canada

Provided by Montrealsky
	Tue, 22 Sep Sunny Max: 17°C	Wed, 23 Sep Sunny Max: 19°C	Thu, 24 Sep Sunny Max: 20°C	Fri, 25 Sep Sunny Max: 22°C	Sat, 26 Sep A mix of sun and cloud Max: 21°C	Sun, 27 Sep A mix of sun and cloud Max: 21°C
Tonight A few clouds Min: 6°C	Night Clear Min: 8°C	Night Clear Min: 9°C	Night Clear Min: 9°C	Night Cloudy periods Min: 10°C	Night Cloudy periods Min: 10°C

24 HOUR FORECAST FOR MONTREAL

24 Hour Forecast - Mont-Royal, QC

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

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 17:20 on 21 September 2026

Sky Conditions	Temperature and Humidity
	Temperature	15.6 °C	Dew Point	4.0 °C
	Windchill	15.6 °C	Humidity	46%
	Humidex	15.6 °C	Cloud base	4741 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)	9.7 km/h	Wind Speed (avg)	3.2 km/h
	Wind Bearing	23° NNE	Beaufort F1	Light air
Pressure
	Barometer	1023.27 hPa	Rising slowly	0.09 hPa/hr
:now::gauges::today::yesterday::records::trends::forum:::Contact:

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

Dawn:	06:11	Sunrise:	06:40	Moonrise:	16:53
Dusk:	19:23	Sunset:	18:54	Moonset:	00:43
Daylight:	13:12	Day length:	12:14	Moon Phase:	Waxing Gibbous

Page updated 9/21/2026 5:20:01 PM
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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
18  16.7  20.2   16:45  11.3   23:59   2.0   0.3   0.0   4.9  27.4   17:10   WNW
19  12.4  18.1   16:41   6.6   06:37   5.9   0.0   0.0   1.7  17.7   09:48   ENE
20  13.9  19.4   15:35   9.6   07:01   4.4   0.0   0.0   1.3  16.1   15:51     E
----------------------------------------------------------------------------------
    18.3  28.0     3     6.6    19    31.7  31.6  45.6   4.3  51.5    10     WSW

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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