• Today

    Sep 18

    13°Lo 1°

    Clouds giving way to sun

    Beneficial weather for migraines
    • Hi
      RealFeel
      15°
    • UV
      4 - Moderate
    • Cloud
      Cover
      43%
  • Fri

    Sep 19

    13°Lo 8°

    Fog in the a.m.; lots of sun

    Beneficial weather for migraines
    • Hi
      RealFeel
      16°
    • UV
      4 - Moderate
    • Cloud
      Cover
      13%
    more
  • Sat

    Sep 20

    20°Lo 15°

    A couple of afternoon showers

    Neutral weather for migraines
    • Hi
      RealFeel
      17°
    • UV
      3 - Moderate
    • Cloud
      Cover
      60%
    more
  • Sun

    Sep 21

    21°Lo 8°

    Rather cloudy, showers around

    Beneficial weather for migraines
    • Hi
      RealFeel
      21°
    • UV
      3 - Moderate
    • Cloud
      Cover
      87%
    more
  • Mon

    Sep 22

    14°Lo 5°

    Cooler with a shower possible

    Beneficial weather for migraines
    • Hi
      RealFeel
      14°
    • UV
      4 - Moderate
    • Cloud
      Cover
      50%
    more
Next Previous
Hi 13° RealFeel® 15° Precipitation 1%

Day

N

E

S

W

  • NNW 10 km/h
  • Gusts: 14 km/h

Clouds giving way to sun

  • Max UV Index: 4 (Moderate)
  • Thunderstorms: 0%
  • Precipitation: 0 mm
  • Rain: 0 mm
  • Snow: 0 CM
  • Ice: 0 mm
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs
Lo 1° RealFeel® 1° Precipitation 0%

Night

N

E

S

W

  • N 6 km/h
  • Gusts: 10 km/h

Mainly clear and colder; areas of fog late; freezing temperatures in the normally colder spots

  • Max UV Index: N/A
  • Thunderstorms: 0%
  • Precipitation: 0 mm
  • Rain: 0 mm
  • Snow: 0 CM
  • Ice: 0 mm
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs

Temperature History - Sep 18

more Historical Weather Data >
  Today Normal Record 9/18/2013
High 13° 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

Longueuil Weather Report

Long Winter Nights, Dry Air Increase Chance to View Aurora

September 18, 2014; 8:05 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 >