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  • Today

    Sep 17

    A couple of afternoon showers 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

    Rather cloudy with a shower 21°Lo 9°
    more
< Previous 8 hours Next 8 hours >
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Forecast
Mostly Clear
Mostly Clear
Mostly Clear
Mostly Clear
Mostly Clear
Mostly Clear
Mostly Clear
Mostly Clear
Temp (°C)
RealFeel®
Humidity 56% 57% 59% 62% 67% 71% 75% 73%
   
  11pm 12am 1am 2am 3am 4am 5am 6am
Rain
 
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Snow
 
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Ice
 
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  11pm 12am 1am 2am 3am 4am 5am 6am
Wind (km/h) 6 N 6 NNE 5 NNE 5 NNE 5 NNE 5 NE 3 NNE 3 NNE
UV Index 0 0 0 0 0 0 0 0
Cloud Cover 11% 11% 11% 11% 11% 11% 11% 11%
Dew Point -2° -2° -2° -2° -2° -2° -2° -2°
Middle Grid line 10 C Middle Grid line 5 C Middle Grid line 0 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; 2:10 PM ET

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