• Today

    Sep 17

    17°Lo 7°

    A few showers this afternoon

    Low indoor dust & dander levels
    • Precip
      60%
    • Wind
      Speed
      8 k/h
    • Cloud
      Cover
      56%
  • Thu

    Sep 18

    13°Lo 1°

    Mostly sunny

    Moderate indoor dust & dander levels
    • Precip
      1%
    • Wind
      Speed
      10 k/h
    • Cloud
      Cover
      14%
    more
  • Fri

    Sep 19

    15°Lo 8°

    Fog in the a.m.; lots of sun

    Moderate indoor dust & dander levels
    • Precip
      0%
    • Wind
      Speed
      5 k/h
    • Cloud
      Cover
      20%
    more
  • Sat

    Sep 20

    20°Lo 14°

    Showers around in the p.m.

    Moderate indoor dust & dander levels
    • Precip
      60%
    • Wind
      Speed
      13 k/h
    • Cloud
      Cover
      93%
    more
  • Sun

    Sep 21

    21°Lo 8°

    A shower possible

    Low indoor dust & dander levels
    • Precip
      30%
    • Wind
      Speed
      13 k/h
    • Cloud
      Cover
      79%
    more
Next Previous
Hi 17° RealFeel® 19° Precipitation 60%

Day

N

E

S

W

  • WSW 8 km/h
  • Gusts: 13 km/h

Cool with some sun, then increasing clouds; a couple of showers this afternoon

  • Max UV Index: 4 (Moderate)
  • Thunderstorms: 20%
  • Precipitation: 1 mm
  • Rain: 1 mm
  • Snow: 0 CM
  • Ice: 0 mm
  • Hours of Precipitation: 1 hrs
  • Hours of Rain: 1 hrs
Lo 7° RealFeel® 7° Precipitation 58%

Night

N

E

S

W

  • WSW 10 km/h
  • Gusts: 16 km/h

Rather cloudy with a bit of rain

  • Max UV Index: N/A
  • Thunderstorms: 20%
  • Precipitation: 5 mm
  • Rain: 5 mm
  • Snow: 0 CM
  • Ice: 0 mm
  • Hours of Precipitation: 2 hrs
  • Hours of Rain: 2 hrs

Temperature History - Sep 17

more Historical Weather Data >
  Today Normal Record 9/17/2013
High 17° 19° 29° (1942) 17°
Low (1986)

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:34 AM with 12:28 of sunlight, then sets at 7:02 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 12:20 AM with 15:01 of moolight, then sets at 3:21 PM

Top Story

Longueuil Weather Report

Long Winter Nights, Dry Air Increase Chance to View Aurora

September 17, 2014; 7:30 AM ET

Igniting across Northern skies, ghostly rivers of light dance overhead each year, emitting vibrant shades of green, blue, pink, red and violet. more >