• Early AM

    Dec 21

    Lo -13°

    Areas of fog

    Sinus Headache Weather
    • Hi
      RealFeel
      -9°
    • UV
      1 - Low
    • Cloud
      Cover
      80%
    more
  • Today

    Dec 21

    -8°Lo -10°

    Freezing fog this morning

    At Risk weather for sinus headaches
    • Hi
      RealFeel
      -4°
    • UV
      1 - Low
    • Cloud
      Cover
      70%
  • Mon

    Dec 22

    -4°Lo -7°

    Some sun, then clouds

    At Risk weather for sinus headaches
    • Hi
      RealFeel
      -6°
    • UV
      1 - Low
    • Cloud
      Cover
      52%
    more
  • Tue

    Dec 23

    0°Lo -1°

    A bit of ice in the afternoon

    At Risk weather for sinus headaches
    • Hi
      RealFeel
      -3°
    • UV
      1 - Low
    • Cloud
      Cover
      86%
    more
  • Wed

    Dec 24

    6°Lo 4°

    Very windy; periods of rain

    At High Risk weather for sinus headaches
    • Hi
      RealFeel
      -4°
    • UV
      1 - Low
    • Cloud
      Cover
      97%
    more
Next Previous
Areas of fog -9° Lo -10° RealFeel® -5° / -9°

N

E

S

W

  • Precipitation: 8%
  • Rain: 0 mm
  • Snow: 0 CM
  • Humidity: 89%
  • Cloud Cover: 95%
  • Dew Point: -11° C
  • Visibility: 6 km
0 km/h

Temperature History - Dec 21

more Historical Weather Data >
  Today Normal Record 12/21/2013
High -8° -3° 11° (1957) -7°
Low -10° -12° -28° (1942) -8°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 7:31 AM with 8:42 of sunlight, then sets at 4:13 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 6:41 AM with 9:40 of moolight, then sets at 4:21 PM

Longueuil Weather Report

Weekend Update on White Christmas Potential in Canada

December 20, 2014; 3:49 PM ET

Update on White Christmas probabilities for Canada more >