• Today

    Sep 19

    13°Lo 6°

    Mostly sunny and cool

    Good for an outdoor bbq
    • Precip
      0%
    • Hi
      RealFeel
      15°
    • Wind
      Gust
      13 k/h
  • Sat

    Sep 20

    21°Lo 15°

    A couple of afternoon showers

    Good for an outdoor bbq
    • Precip
      60%
    • Hi
      RealFeel
      18°
    • Wind
      Gust
      44 k/h
    more
  • Sun

    Sep 21

    21°Lo 8°

    Breezy with periods of rain

    Poor for an outdoor bbq
    • Precip
      74%
    • Hi
      RealFeel
      18°
    • Wind
      Gust
      40 k/h
    more
  • Mon

    Sep 22

    12°Lo 6°

    Cooler; a shower in the a.m.

    Poor for an outdoor bbq
    • Precip
      56%
    • Hi
      RealFeel
    • Wind
      Gust
      24 k/h
    more
  • Tue

    Sep 23

    14°Lo 4°

    A couple of showers

    Fair for an outdoor bbq
    • Precip
      60%
    • Hi
      RealFeel
      13°
    • Wind
      Gust
      23 k/h
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Fri
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Forecast
Mostly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Mostly Clear
Partly Cloudy
Partly Cloudy
Partly Cloudy
Temp (°C) 12° 13° 12° 11° 10°
RealFeel® 14° 14° 12° 10°
Humidity 39% 39% 43% 45% 49% 53% 56% 55%
   
  3pm 4pm 5pm 6pm 7pm 8pm 9pm 10pm
Rain
 
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Snow
 
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Ice
 
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  3pm 4pm 5pm 6pm 7pm 8pm 9pm 10pm
Wind (km/h) 8 SE 8 SE 8 SE 8 SSE 6 SSE 6 SSE 6 SSE 6 S
UV Index 3 2 1 0 0 0 0 0
Cloud Cover 25% 25% 25% 25% 25% 45% 45% 45%
Dew Point -2° -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

Cold Snap, Widespread Frost Looms for Northeast

September 19, 2014; 4:57 AM ET

The chilliest air of the season so far will settle over much of the Northeast into Friday and will bring frost to a large area. more >