• Today

    Sep 19

    13°Lo 7°

    Partly sunny and cool

    Beneficial weather for colds
    • Avg
      Temp
      10°
    • Avg
      RealFeel
      10°
    • Hi
      RealFeel
      16°
  • Sat

    Sep 20

    21°Lo 15°

    Warmer; a shower in the p.m.

    Neutral weather for colds
    • Avg
      Temp
      18°
    • Avg
      RealFeel
      15°
    • Hi
      RealFeel
      19°
    more
  • Sun

    Sep 21

    21°Lo 8°

    Breezy with periods of rain

    At Risk weather for colds
    • Avg
      Temp
      15°
    • Avg
      RealFeel
      11°
    • Hi
      RealFeel
      18°
    more
  • Mon

    Sep 22

    12°Lo 7°

    Cooler with rain tapering off

    Neutral weather for colds
    • Avg
      Temp
    • Avg
      RealFeel
    • Hi
      RealFeel
    more
  • Tue

    Sep 23

    15°Lo 4°

    A couple of showers

    Neutral weather for colds
    • Avg
      Temp
    • Avg
      RealFeel
    • Hi
      RealFeel
      13°
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Fri
3pm
4pm 5pm 6pm 7pm 8pm 9pm 10pm
  3pm 4pm 5pm 6pm 7pm 8pm 9pm 10pm
Forecast
Mostly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Mostly Clear
Mostly Clear
Mostly Clear
Mostly Clear
Temp (°C) 12° 13° 12° 12° 10°
RealFeel® 15° 14° 12° 10°
Humidity 39% 39% 42% 44% 48% 52% 54% 53%
   
  3pm 4pm 5pm 6pm 7pm 8pm 9pm 10pm
Rain
 
0%
 
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0%
 
0%
 
0%
 
0%
 
0%
 
0%
Snow
 
0%
 
0%
 
0%
 
0%
 
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Ice
 
0%
 
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  3pm 4pm 5pm 6pm 7pm 8pm 9pm 10pm
Wind (km/h) 6 NE 6 ENE 8 ENE 8 E 6 SE 6 SSE 6 SSE 6 S
UV Index 3 2 1 0 0 0 0 0
Cloud Cover 19% 18% 18% 18% 19% 21% 25% 25%
Dew Point -2° -1° -1°
Middle Grid line 15 C Middle Grid line 10 C Middle Grid line 5 C

Temperature History - Sep 19

more Historical Weather Data >
  Today Normal Record 9/19/2013
High 13° 19° 29° (1955) 23°
Low (1969)

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:37 AM with 12:21 of sunlight, then sets at 6:58 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 2:10 AM with 14:23 of moolight, then sets at 4:33 PM

Top Story

Longueuil Weather Report

Recent Chill a Possible Sign of an Early Winter?

September 19, 2014; 12:51 PM ET

Do recent cold weather events signal an early winter for Canada? more >