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  • Today

    Sep 17

    A few showers this afternoon 17°Lo 8°
    more
  • Thu

    Sep 18

    Clouds giving way to sun 13°Lo 2°
  • Fri

    Sep 19

    Fog in the a.m.; lots of sun 15°Lo 8°
    more
  • Sat

    Sep 20

    Showers around in the p.m. 19°Lo 14°
    more
  • Sun

    Sep 21

    A shower possible 21°Lo 9°
    more
< Previous 8 hours Next 8 hours >
  Thu
7am
8am 9am 10am 11am 12pm 1pm 2pm
  7am 8am 9am 10am 11am 12pm 1pm 2pm
Forecast
Mostly Cloudy
Cloudy
Cloudy
Cloudy
Cloudy
Cloudy
Cloudy
Mostly Sunny
Temp (°C) 10° 11° 12° 12°
RealFeel® 10° 12° 13° 14°
Humidity 66% 63% 62% 57% 53% 50% 48% 46%
   
  7am 8am 9am 10am 11am 12pm 1pm 2pm
Rain
 
22%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  7am 8am 9am 10am 11am 12pm 1pm 2pm
Wind (km/h) 10 NNW 10 NNW 10 NNW 10 N 10 N 10 NNW 10 NNW 10 NNW
UV Index 0 0 1 2 2 3 3 4
Cloud Cover 76% 95% 95% 95% 95% 95% 95% 25%
Dew Point
Middle Grid line 15 C Middle Grid line 10 C Middle Grid line 5 C

Temperature History - Sep 18

more Historical Weather Data >
  Today Normal Record 9/18/2013
High 13° 19° 30° (1942) 21°
Low (1943)

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:36 AM with 12:24 of sunlight, then sets at 7:00 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 1:14 AM with 14:45 of moolight, then sets at 3:59 PM

Top Story

Longueuil Weather Report

Long Winter Nights, Dry Air Increase Chance to View Aurora

September 17, 2014; 8:02 AM ET

Igniting across Northern skies, ghostly rivers of light dance overhead each year, emitting vibrant shades of green, blue, pink, red and violet. more >