• Today

    Dec 19

    -4°Lo -15°

    Decreasing clouds

    Very High indoor dust & dander levels
    • Precip
      13%
    • Wind
      Speed
      13 k/h
    • Cloud
      Cover
      51%
  • Sat

    Dec 20

    -8°Lo -14°

    Patchy freezing fog, then sun

    Extreme indoor dust & dander levels
    • Precip
      0%
    • Wind
      Speed
      6 k/h
    • Cloud
      Cover
      37%
    more
  • Sun

    Dec 21

    -7°Lo -10°

    Freezing fog in the morning

    Extreme indoor dust & dander levels
    • Precip
      25%
    • Wind
      Speed
      2 k/h
    • Cloud
      Cover
      73%
    more
  • Mon

    Dec 22

    -6°Lo -8°

    Some sun, then clouds

    Very High indoor dust & dander levels
    • Precip
      7%
    • Wind
      Speed
      9 k/h
    • Cloud
      Cover
      53%
    more
  • Tue

    Dec 23

    1°Lo -2°

    A wintry mix possible

    High indoor dust & dander levels
    • Precip
      30%
    • Wind
      Speed
      11 k/h
    • Cloud
      Cover
      85%
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Fri
11am
12pm 1pm 2pm 3pm 4pm 5pm 6pm
  11am 12pm 1pm 2pm 3pm 4pm 5pm 6pm
Forecast
Mostly Cloudy
Partly Cloudy
Partly Sunny
Partly Sunny
Mostly Sunny
Mostly Sunny
Clear
Clear
Temp (°C) -5° -5° -5° -5° -5° -6° -7° -7°
RealFeel® -9° -9° -8° -9° -9° -10° -11° -11°
Humidity 84% 82% 78% 79% 79% 81% 83% 80%
   
  11am 12pm 1pm 2pm 3pm 4pm 5pm 6pm
Rain
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Snow
 
2%
 
1%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  11am 12pm 1pm 2pm 3pm 4pm 5pm 6pm
Wind (km/h) 15 NW 15 NW 13 NW 13 WNW 11 W 11 W 11 WSW 11 WSW
UV Index 1 1 1 1 0 0 0 0
Cloud Cover 75% 57% 43% 32% 21% 12% 5% 4%
Dew Point -7° -8° -8° -8° -9° -9° -9° -10°
Middle Grid line 0 C Middle Grid line -5 C

Temperature History - Dec 19

more Historical Weather Data >
  Today Normal Record 12/19/2013
High -4° -3° (1949)
Low -15° -11° -28° (1942) -8°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 7:30 AM with 8:42 of sunlight, then sets at 4:12 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 4:35 AM with 10:03 of moolight, then sets at 2:38 PM

Longueuil Weather Report

Long-Range Forecast Model Update Into Mid-January

December 19, 2014; 9:08 AM ET

Update on the long-range forecast model data. more >