• 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
      55%
  • 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
< Previous 8 hours Next 8 hours >
  Wed
10pm
11pm Thu
12am
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  10pm 11pm 12am 1am 2am 3am 4am 5am
Forecast
Mostly Cloudy
Mostly Cloudy
Rain
Mostly Cloudy
Rain
Mostly Cloudy
Rain
Mostly Cloudy
Temp (°C) 15° 14° 14° 13° 13° 12° 12° 11°
RealFeel® 12° 12° 11° 11° 10° 10°
Humidity 68% 69% 72% 74% 76% 75% 70% 67%
   
  10pm 11pm 12am 1am 2am 3am 4am 5am
Rain
 
37%
 
47%
 
51%
 
43%
 
58%
 
49%
 
58%
 
40%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
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  10pm 11pm 12am 1am 2am 3am 4am 5am
Wind (km/h) 10 SW 11 SW 11 SW 11 WSW 11 W 10 W 10 W 8 WNW
UV Index 0 0 0 0 0 0 0 0
Cloud Cover 76% 76% 76% 76% 76% 76% 76% 76%
Dew Point
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

Widespread Frost, Killing Freeze to Seize Northeast Late This Week

September 17, 2014; 4:13 AM ET

The chilliest air of the season so far will settle over much of the Northeast Thursday into Friday and will bring frost to a large area. more >