• Today

    Sep 17

    17°Lo 8°

    A shower this afternoon

    Fair for an outdoor bbq
    • Precip
      50%
    • Hi
      RealFeel
      16°
    • Wind
      Gust
      23 k/h
  • Thu

    Sep 18

    13°Lo 2°

    Clouds giving way to sun

    Good for an outdoor bbq
    • Precip
      1%
    • Hi
      RealFeel
      14°
    • Wind
      Gust
      15 k/h
    more
  • Fri

    Sep 19

    15°Lo 8°

    Fog in the a.m.; lots of sun

    Very Good for an outdoor bbq
    • Precip
      0%
    • Hi
      RealFeel
      18°
    • Wind
      Gust
      11 k/h
    more
  • Sat

    Sep 20

    19°Lo 14°

    Showers around in the p.m.

    Good for an outdoor bbq
    • Precip
      60%
    • Hi
      RealFeel
      17°
    • Wind
      Gust
      29 k/h
    more
  • Sun

    Sep 21

    21°Lo 9°

    Rather cloudy with a shower

    Very Good for an outdoor bbq
    • Precip
      55%
    • Hi
      RealFeel
      21°
    • Wind
      Gust
      27 k/h
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Wed
12pm
1pm 2pm 3pm 4pm 5pm 6pm 7pm
  12pm 1pm 2pm 3pm 4pm 5pm 6pm 7pm
Forecast
Cloudy
Cloudy
Cloudy
Cloudy
Mostly Cloudy
Mostly Cloudy
Showers
Mostly Cloudy
Temp (°C) 15° 16° 17° 17° 17° 17° 16° 16°
RealFeel® 15° 14° 16° 16° 16° 16° 14° 14°
Humidity 63% 62% 60% 58% 58% 61% 62% 64%
   
  12pm 1pm 2pm 3pm 4pm 5pm 6pm 7pm
Rain
 
7%
 
9%
 
13%
 
13%
 
17%
 
47%
 
51%
 
47%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  12pm 1pm 2pm 3pm 4pm 5pm 6pm 7pm
Wind (km/h) 11 SW 18 SW 13 SW 14 SW 13 SW 11 SW 10 SW 8 SW
UV Index 2 3 3 2 1 1 0 0
Cloud Cover 91% 91% 90% 96% 89% 80% 79% 75%
Dew Point
Middle Grid line 20 C Middle Grid line 15 C Middle Grid line 10 C

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; 2:10 PM ET

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