• Today

    Sep 20

    22°Lo 16°

    Warmer; a shower in the p.m.

    Moderate indoor dust & dander levels
    • Precip
      56%
    • Wind
      Speed
      23 k/h
    • Cloud
      Cover
      89%
  • Sun

    Sep 21

    21°Lo 10°

    Mostly cloudy with t-storms

    Low indoor dust & dander levels
    • Precip
      67%
    • Wind
      Speed
      10 k/h
    • Cloud
      Cover
      86%
    more
  • Mon

    Sep 22

    13°Lo 6°

    Mostly cloudy and cooler

    Low indoor dust & dander levels
    • Precip
      25%
    • Wind
      Speed
      10 k/h
    • Cloud
      Cover
      82%
    more
  • Tue

    Sep 23

    17°Lo 5°

    Warmer with a few showers

    Low indoor dust & dander levels
    • Precip
      62%
    • Wind
      Speed
      11 k/h
    • Cloud
      Cover
      70%
    more
  • Wed

    Sep 24

    18°Lo 7°

    Plenty of sun

    Low indoor dust & dander levels
    • Precip
      0%
    • Wind
      Speed
      5 k/h
    • Cloud
      Cover
      0%
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Sat
6am
7am 8am 9am 10am 11am 12pm 1pm
  6am 7am 8am 9am 10am 11am 12pm 1pm
Forecast
Mostly Cloudy
Partly Cloudy
Cloudy
Cloudy
Cloudy
Mostly Cloudy
Partly Cloudy
Partly Cloudy
Temp (°C) 10° 10° 12° 13° 14° 16° 18° 19°
RealFeel® 10° 13° 15° 17°
Humidity 64% 68% 70% 73% 76% 76% 72% 72%
   
  6am 7am 8am 9am 10am 11am 12pm 1pm
Rain
 
0%
 
1%
 
5%
 
5%
 
6%
 
7%
 
7%
 
11%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  6am 7am 8am 9am 10am 11am 12pm 1pm
Wind (km/h) 26 S 24 S 29 S 26 S 26 S 27 S 26 S 26 S
UV Index 0 0 0 0 1 2 2 3
Cloud Cover 88% 74% 99% 96% 96% 82% 71% 62%
Dew Point 10° 12° 13° 14°
Middle Grid line 20 C Middle Grid line 15 C Middle Grid line 10 C Middle Grid line 5 C

Temperature History - Sep 20

more Historical Weather Data >
  Today Normal Record 9/20/2013
High 22° 18° 31° (1983) 26°
Low 16° (1979) 13°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:38 AM with 12:18 of sunlight, then sets at 6:56 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 3:07 AM with 13:57 of moolight, then sets at 5:04 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 >