• Tonight

    May 18

    Lo 10°

    Rather cloudy, a shower late

    Dust & Dander Weather
    • Grass
      Pollen
      12 - Moderate
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      50 - Moderate

  • Sun

    May 19

    18°Lo 8°

    Some sun returning, a shower

    Extreme indoor dust & dander levels
    • Grass
      Pollen
      12 - Moderate
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      50 - Moderate
    more

  • Mon

    May 20

    21°Lo 9°

    Sunny to partly cloudy

    Very High indoor dust & dander levels
    • Grass
      Pollen
      12 - Moderate
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      50 - Moderate
    more

  • Tue

    May 21

    15°Lo 7°

    Cooler with a few showers

    Extreme indoor dust & dander levels
    • Precip
      66%
    • Wind
      Speed
      6 k/h
    • Cloud
      Cover
      88%
    more

  • Wed

    May 22

    15°Lo 8°

    Rather cloudy, showers around

    Extreme indoor dust & dander levels
    • Precip
      60%
    • Wind
      Speed
      8 k/h
    • Cloud
      Cover
      83%
    more
Next Previous
Hi 15° RealFeel® 15° Precipitation 50%

Day

N

E

S

W

  • WNW 13 km/h
  • Gusts: 31 km/h

A morning shower in places; otherwise, cloudy

  • Max UV Index: 5 (Moderate)
  • Thunderstorms: 20%
  • Precipitation: 0 mm
  • Rain: 0 mm
  • Snow: 0 CM
  • Ice: 0 mm
  • Hours of Precipitation: 0.5 hrs
  • Hours of Rain: 0.5 hrs
Lo 10° RealFeel® 9° Precipitation 40%

Night

N

E

S

W

  • W 6 km/h
  • Gusts: 10 km/h

Mostly cloudy with a shower in spots late

  • Max UV Index: N/A
  • Thunderstorms: 20%
  • Precipitation: 0 mm
  • Rain: 0 mm
  • Snow: 0 CM
  • Ice: 0 mm
  • Hours of Precipitation: 0.5 hrs
  • Hours of Rain: 0.5 hrs

Temperature History - May 18

more Historical Weather Data >
  Today Normal Record 5/18/2012
High 15° N/A N/A 17°
Low 10° N/A N/A 3°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:18 AM with 15:29 of sunlight, then sets at 8:47 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 1:20 PM with 12:56 of moolight, then sets at 2:16 AM

Top Story

Laidlaw Weather Report

The Summer Outlook for Canada

May 18, 2013; 9:44 AM ET

The Accuweather.com summer forecast for Canada. more >