• Today

    Sep 20

    21°Lo 16°

    Warmer; a shower in the p.m.

    Very Good for driving
    • Precip
      56%
    • Hours of Precip
      3.5
    • Rain
      9 mm
    more
  • Sun

    Sep 21

    21°Lo 10°

    Mostly cloudy with t-storms

    Good for driving
    • Precip
      67%
    • Hours of Precip
      5.5
    • Rain
      11 mm
  • Mon

    Sep 22

    13°Lo 6°

    Mostly cloudy and cooler

    Excellent for driving
    • Precip
      25%
    • Hours of Precip
      0
    • Rain
      0 mm
    more
  • Tue

    Sep 23

    16°Lo 5°

    Warmer with a few showers

    Very Good for driving
    • Precip
      62%
    • Hours of Precip
      1.5
    • Rain
      2 mm
    more
  • Wed

    Sep 24

    16°Lo 7°

    Plenty of sun

    Excellent for driving
    • Precip
      0%
    • Hours of Precip
      0
    • Rain
      0 mm
    more
Next Previous
Showers and thunderstorms 21° Lo 19° RealFeel® 20° / 18°

N

E

S

W

  • Precipitation: 57%
  • Rain: 4 mm
  • Snow: 0 CM
  • Humidity: 85%
  • Cloud Cover: 85%
  • Dew Point: 18° C
  • Visibility: 8 km
8 km/h

Temperature History - Sep 21

more Historical Weather Data >
  Today Normal Record 9/21/2013
High 21° 18° 28° (1965) 21°
Low 10° (1973) 16°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:39 AM with 12:15 of sunlight, then sets at 6:54 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 4:05 AM with 13:28 of moolight, then sets at 5:33 PM

Top Story

Longueuil Weather Report

Long Winter Nights, Dry Air Increase Chance to View Aurora

September 20, 2014; 1:40 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 >