MONTREAL/METEO/WEATHER

ALMANAC FOR TODAY MAY 21

Average Min Temperature: 9.1°C Average Max Temperature: 20.2°C Greatest Rainfall: 32.5 mm in 1979
Low Temp Record: 1.1°C in 1907 Hi Temp Record: 31.7°C in 1911 Greatest Snowfall: 0.0 cm in 1872
Most Snow on the Ground: 0 cm in 1955
Maximum low temp: 19.4°C in 1911Minimum high temp: 8.9°C in 1895Maximum wind gust: 80.0 km/h in 1989
Highest Humidex: 34°C in 1975

CURRENT HOT AND COLD SPOTS

  World (past 3 hours) Canada Quebec
Hot Spot Temperature 46°C at Kayes,Mali 17.3°C at Western Head (NS) 10.2°C at Longue-Pointe-de-Mingan
Cold Spot Temperature -26.3°C at Williams Field,Antarctica -10.9°C at Taloyoak Airport (NU) -6.8°C at Pingualuit (Parc national)
Wind Gust 91 km/h at Lord Howe Island Airport,Australia
Wind Chill -82.3 °C at Amundsen-Scott Stn,Antarctica
Heat Index 55.0 °C at Gorakhpur,India

FORECAST FOR MONTREAL

Forecast - Environment Canada
 Provided by Montrealsky
Today
Sunny
Sunny
Max: 17°C
Fri, 22 May
Sunny
Sunny
Max: 20°C
Sat, 23 May
Cloudy
Cloudy
Max: 20°C
Sun, 24 May
Periods of rain
Periods of rain
Max: 16°C
Mon, 25 May
Periods of rain
Periods of rain
Max: 19°C
Tue, 26 May
A mix of sun and cloud
A mix of sun and cloud
Max: 25°C
Wed, 27 May
A mix of sun and cloud
A mix of sun and cloud
Max: 24°C
Tonight
Clear
Clear
Min: 7°C
Night
Clear
Clear
Min: 10°C
Night
Rain
Rain
Min: 10°C
Night
Periods of rain
Periods of rain
Min: 13°C
Night
Cloudy periods
Cloudy periods
Min: 14°C
Night
Cloudy periods
Cloudy periods
Min: 13°C
 

24 HOUR FORECAST FOR MONTREAL

24 Hour Forecast - Mont-Royal, QC

Date/Time Temp.
(°C)

Weather Conditions

LOP †
Wind
(km/h)
21 May 2026
12 PM 12 Sunny (0%)  Sunny 0 NW 15
1 PM 13 Sunny (0%)  Sunny 0 NW 15
2 PM 14 Sunny (0%)  Sunny 0 NW 15
3 PM 15 Sunny (0%)  Sunny 0 NW 15
4 PM 16 Sunny (0%)  Sunny 0 NW 15
5 PM 17 Sunny (0%)  Sunny 0 NW 15
6 PM 16 Sunny (0%)  Sunny 0 NW 10
7 PM 16 Sunny (0%)  Sunny 0 NW 10
8 PM 15 Clear (0%)  Clear 0 NW 10
9 PM 13 Clear (0%)  Clear 0 NW 10
10 PM 12 Clear (0%)  Clear 0 NW 10
11 PM 10 Clear (0%)  Clear 0 NW 10
22 May 2026
12 AM 10 Clear (0%)  Clear 0 NW 10
1 AM 9 Clear (0%)  Clear 0 NW 10
2 AM 9 Clear (0%)  Clear 0 NW 10
3 AM 8 Clear (0%)  Clear 0 NW 10
4 AM 8 Clear (0%)  Clear 0 NW 10
5 AM 7 Sunny (0%)  Sunny 0 NW 10
6 AM 8 Sunny (0%)  Sunny 0 VR 5
7 AM 9 Sunny (0%)  Sunny 0 VR 5
8 AM 10 Sunny (0%)  Sunny 0 VR 5
9 AM 12 Sunny (0%)  Sunny 0 VR 5
10 AM 13 Sunny (0%)  Sunny 0 VR 5
11 AM 15 Sunny (0%)  Sunny 0 SW 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%

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 11:10 on 21 May 2026

Sky Conditions Temperature and Humidity
Scattered clouds Temperature9.3 °C Rising Dew Point -1.7 °C
Windchill 9.0 °C Humidity 46%
Humidex 9.3 °C Cloud base 4518 ft
Rainfall
  Rainfall Today 0.0 mm Rainfall Rate 0.0 mm/hr
  Rainfall This Month 27.4 mm Rainfall This Year 207.2 mm
  Rainfall Last Hour 0.0 mm Last rainfall 2026-05-18 12:15
Wind
  Wind Speed (gust) 14.5 km/h Wind Speed (avg) 4.8 km/h
  Wind Bearing 317° NW Beaufort F1 Light air
Pressure
  Barometer  1026.28 hPa Rising slowly 0.07 hPa/hr
:now::gauges::today::yesterday::records::trends::forum:::Contact:

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

Dawn: 04:42 Sunrise: 05:17 Moonrise: 10:06 Moon
Dusk: 21:00 Sunset:  20:24 Moonset: 00:50
Daylight: 16:18 Day length: 15:07 Moon Phase: Waxing Crescent


Page updated 2026-05-21 11:10:00 AM
powered by Cumulus v1.9.4 (10992)

Montrealsky Webcam

Montreal Sky Webcam

NOAA Monthly Report

                   Monthly Climatological Summary for May 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   8.0  13.5   16:15   2.9   06:08  10.3   0.0   0.0   6.3  32.2   15:55     W
 2   7.1  10.3   17:55   3.9   09:40  11.2   0.0   3.2   3.0  25.7   13:49     W
 3   8.5  13.1   18:39   3.7   05:44   9.8   0.0   0.0   4.7  35.4   15:53     W
 4  12.3  18.9   16:39   8.0   04:20   6.1   0.0   1.8   5.6  27.4   11:53   WSW
 5  17.4  23.0   15:02  11.8   23:50   1.8   0.9   0.8  12.3  53.1   14:03    SW
 6   8.5  11.8   00:00   6.4   09:38   9.8   0.0   6.6   4.2  29.0   00:00   WSW
 7   9.1  12.0   16:35   6.2   07:45   9.2   0.0   0.0  11.4  45.1   12:25     W
 8   9.4  12.7   16:33   6.3   04:05   8.9   0.0   0.2   5.5  33.8   15:13   WSW
 9  11.9  18.3   15:34   5.4   05:56   6.4   0.0   0.0   9.7  48.3   20:11    SE
10  12.5  15.7   15:27   8.9   22:32   5.8   0.0   1.6  10.9  41.8   16:39   WSW
11   9.8  13.0   16:51   6.5   06:07   8.5   0.0   0.2   3.0  20.9   16:01   WNW
12  10.0  14.5   16:25   5.7   05:44   8.3   0.0   0.0   4.9  29.0   16:32   WNW
13   8.9  11.4   10:24   7.7   06:35   9.4   0.0   2.4   5.1  25.7   15:05     E
14  10.2  12.7   15:14   8.2   00:48   8.1   0.0   7.6   3.6  24.1   20:06   NNW
15  14.8  20.1   15:14  10.5   04:18   3.7   0.2   0.8   6.0  25.7   06:30   NNE
16  17.8  23.9   13:50  11.6   04:33   2.2   1.6   0.0  10.2  49.9   22:41   WSW
17  19.1  23.8   15:52  14.6   05:35   1.0   1.8   0.0   8.9  35.4   16:10   WNW
18  15.1  21.4   17:34   8.3   10:09   3.7   0.5   2.2   4.7  20.9   00:52    NE
19  23.5  29.0   17:01  15.6   03:41   0.4   5.6   0.0   8.4  43.5   08:45   WSW
20  20.9  25.2   00:00  12.2   23:58   0.6   3.2   0.0  14.6  49.9   09:49     W
----------------------------------------------------------------------------------
    12.7  29.0    19     2.9     1   125.2  13.8  27.4   7.2  53.1     5     WSW

Max >=  32.0:  0
Max <=   0.0:  0
Min <=   0.0:  0
Min <= -18.0:  0
Max Rain: 7.6 on day 14
Days of Rain: 11 (>= 0.1 mm)  2 (>= 5.0 mm)  0 (>= 20.0 mm)
Heat Base: 18.3  Cool Base: 18.3  Method: Integration

NOAA Previous Reports

Apr 2026 || Mar 2026 || Feb 2026 || Jan 2026 || Dec 2025 || Nov 2025 || Oct 2025 || Sep 2025 || Aug 2025 || Jul 2025 || Jun 2025 || May 2025 ||


Regional Radar

Temperatures Anomaly map (GFS)

Temperatures Anomaly map (GFS)


Ice cover Northern Hemisphere

Ice cover Southern Hemisphere