• Tonight

    Jun 18

    Lo 8°

    Clear and cool

    Dust & Dander Weather
    • Grass
      Pollen
      2 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      0 - Low
  • Wed

    Jun 19

    22°Lo 12°

    Partly sunny

    Very High indoor dust & dander levels
    • Grass
      Pollen
      2 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      0 - Low
    more
  • Thu

    Jun 20

    23°Lo 12°

    A t-storm in the afternoon

    Very High indoor dust & dander levels
    • Grass
      Pollen
      2 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      0 - Low
    more
  • Fri

    Jun 21

    26°Lo 16°

    A thunderstorm possible

    Very High indoor dust & dander levels
    • Precip
      30%
    • Wind
      Speed
      10 k/h
    • Cloud
      Cover
      26%
    more
  • Sat

    Jun 22

    27°Lo 14°

    A thunderstorm possible

    Extreme indoor dust & dander levels
    • Precip
      30%
    • Wind
      Speed
      6 k/h
    • Cloud
      Cover
      62%
    more
Next Previous
Hi 20° RealFeel® 23° Precipitation 2%

Day

N

E

S

W

  • SW 6 km/h
  • Gusts: 13 km/h

Pleasant with times of clouds and sun

  • Max UV Index: 6 (High)
  • 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 8° RealFeel® 7° Precipitation 0%

Night

N

E

S

W

  • N 11 km/h
  • Gusts: 27 km/h

Clear and cool

  • 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 - Jun 18

more Historical Weather Data >
  Today Normal Record 6/18/2012
High 20° 24° 34° (1994) 27°
Low 13° (1958) 18°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:04 AM with 15:42 of sunlight, then sets at 8:46 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 3:15 PM with 10:42 of moolight, then sets at 1:57 AM

Top Story

Longueuil Weather Report

Dangerous Thunderstorms for the Prairies

June 18, 2013; 3:19 PM ET

Large storm clashing with warmth and higher humidity will lead to heavy rainfall and locally severe thunderstorms over the Prairies the next couple of days. more >