• Tonight

    Sep 18

    Lo 1°

    Mainly clear; fog late

    Asthma Weather
    • Hi
      RealFeel
      14°
    • UV
      4 - Moderate
    • Air Qual.
      Good
  • Fri

    Sep 19

    13°Lo 7°

    Fog in the morning; sunshine

    Beneficial weather for asthma
    • Hi
      RealFeel
      15°
    • UV
      4 - Moderate
    • Air Qual.
      Good
    more
  • Sat

    Sep 20

    20°Lo 16°

    A few afternoon showers

    Beneficial weather for asthma
    • Hi
      RealFeel
      17°
    • UV
      4 - Moderate
    • Air Qual.
      Good
    more
  • Sun

    Sep 21

    21°Lo 9°

    Mostly cloudy, showers; warm

    Neutral weather for asthma
    • Hi
      RealFeel
      21°
    • UV
      3 - Moderate
    • Cloud
      Cover
      76%
    more
  • Mon

    Sep 22

    14°Lo 7°

    Cooler

    Beneficial weather for asthma
    • Hi
      RealFeel
      14°
    • UV
      4 - Moderate
    • Cloud
      Cover
      53%
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Thu
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Forecast
Mostly Cloudy
Mostly Cloudy
Mostly Cloudy
Mostly Cloudy
Partly Sunny
Partly Cloudy
Mostly Clear
Mostly Clear
Temp (°C) 12° 12° 12° 10° 10°
RealFeel® 12° 11°
Humidity 43% 47% 40% 50% 46% 49% 53% 54%
   
  3pm 4pm 5pm 6pm 7pm 8pm 9pm 10pm
Rain
 
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Snow
 
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Ice
 
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  3pm 4pm 5pm 6pm 7pm 8pm 9pm 10pm
Wind (km/h) 11 NNW 11 WNW 14 NNW 14 N 18 N 19 N 18 N 14 N
UV Index 2 1 1 0 0 0 0 0
Cloud Cover 75% 75% 75% 75% 35% 35% 21% 16%
Dew Point -1° -1° -2° -3° -3°
Middle Grid line 15 C Middle Grid line 10 C Middle Grid line 5 C

Temperature History - Sep 18

more Historical Weather Data >
  Today Normal Record 9/18/2013
High 12° 19° 30° (1942) 21°
Low (1943)

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:36 AM with 12:24 of sunlight, then sets at 7:00 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 1:14 AM with 14:45 of moolight, then sets at 3:59 PM

Top Story

Montreal Weather Report

Cold Snap, Widespread Frost Looms for Northeast

September 18, 2014; 8:00 PM ET

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