• Today

    May 18

    18°Lo 11°

    Cloudy to partly sunny

    Beneficial weather for asthma
    • Hi
      RealFeel
      19°
    • UV
      6 - High
    • Air Qual.
      Good
    more

  • Sun

    May 19

    22°Lo 13°

    Times of clouds and sun

    Neutral weather for asthma
    • Hi
      RealFeel
      22°
    • UV
      7 - High
    • Air Qual.
      Good
    more

  • Mon

    May 20

    25°Lo 17°

    Partly sunny and pleasant

    At Risk weather for asthma
    • Hi
      RealFeel
      27°
    • UV
      7 - High
    • Air Qual.
      Good

  • Tue

    May 21

    24°Lo 13°

    Periods of rain and a t-storm

    At High Risk weather for asthma
    • Hi
      RealFeel
      28°
    • UV
      6 - High
    • Cloud
      Cover
      94%
    more

  • Wed

    May 22

    20°Lo 14°

    A couple of thunderstorms

    Neutral weather for asthma
    • Hi
      RealFeel
      21°
    • UV
      5 - Moderate
    • Cloud
      Cover
      88%
    more
Next Previous
Hi 25° RealFeel® 27° Precipitation 4%

Day

N

E

S

W

  • SSW 11 km/h
  • Gusts: 18 km/h

Partly sunny and pleasant

  • Max UV Index: 7 (High)
  • Thunderstorms: 24%
  • Precipitation: 0 mm
  • Rain: 0 mm
  • Snow: 0 CM
  • Ice: 0 mm
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs
Lo 17° RealFeel® 15° Precipitation 56%

Night

N

E

S

W

  • SW 6 km/h
  • Gusts: 11 km/h

Warm; a shower or thunderstorm around in the evening followed by occasional rain and drizzle late

  • Max UV Index: N/A
  • Thunderstorms: 40%
  • Precipitation: 3 mm
  • Rain: 3 mm
  • Snow: 0 CM
  • Ice: 0 mm
  • Hours of Precipitation: 2.5 hrs
  • Hours of Rain: 2.5 hrs

Temperature History - May 20

more Historical Weather Data >
  Today Normal Record 5/20/2012
High 25° 18° 31° (1921) 27°
Low 17° 8° -1° (1842) 14°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:47 AM with 14:55 of sunlight, then sets at 8:42 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 3:39 PM with 11:42 of moolight, then sets at 3:21 AM

Top Story

Vaughan Weather Report

The Summer Outlook for Canada

May 18, 2013; 9:44 AM ET

The Accuweather.com summer forecast for Canada. more >