• Today

    Sep 19

    13°Lo 7°

    Mostly sunny and cool

    Beneficial weather for sinus headaches
    • Hi
      RealFeel
      15°
    • UV
      4 - Moderate
    • Cloud
      Cover
      27%
  • Sat

    Sep 20

    21°Lo 15°

    Warmer; a shower in the p.m.

    At Risk weather for sinus headaches
    • Hi
      RealFeel
      19°
    • UV
      4 - Moderate
    • Cloud
      Cover
      68%
    more
  • Sun

    Sep 21

    21°Lo 8°

    Breezy with periods of rain

    Neutral weather for sinus headaches
    • Hi
      RealFeel
      18°
    • UV
      1 - Low
    • Cloud
      Cover
      92%
    more
  • Mon

    Sep 22

    12°Lo 7°

    Cooler with rain tapering off

    At Risk weather for sinus headaches
    • Hi
      RealFeel
    • UV
      2 - Low
    • Cloud
      Cover
      76%
    more
  • Tue

    Sep 23

    15°Lo 4°

    A couple of showers

    At Risk weather for sinus headaches
    • Hi
      RealFeel
      13°
    • UV
      2 - Low
    • Cloud
      Cover
      77%
    more
Next Previous
Sunny to partly cloudy 10° Lo 4° RealFeel® 15° / 4°

N

E

S

W

  • Precipitation: 0%
  • Rain: 0 mm
  • Snow: 0 CM
  • Humidity: 51%
  • Cloud Cover: 21%
  • Dew Point: -2° C
  • Visibility: 12 km
5 km/h

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 >