• Tonight

    May 18

    Lo 11°

    A brief evening shower or two

    Migraine Headache Weather
    • Hi
      RealFeel
      21°
    • UV
      7 - High
    • Cloud
      Cover
      62%
    more
  • Sun

    May 19

    22°Lo 13°

    Times of clouds and sun

    Beneficial weather for migraines
    • Hi
      RealFeel
      22°
    • UV
      7 - High
    • Cloud
      Cover
      46%
    more
  • Mon

    May 20

    25°Lo 17°

    Partly sunny and pleasant

    Beneficial weather for migraines
    • Hi
      RealFeel
      27°
    • UV
      7 - High
    • Cloud
      Cover
      27%
  • Tue

    May 21

    24°Lo 13°

    Periods of rain and a t-storm

    Beneficial weather for migraines
    • Hi
      RealFeel
      28°
    • UV
      6 - High
    • Cloud
      Cover
      94%
    more
  • Wed

    May 22

    20°Lo 14°

    A couple of thunderstorms

    Beneficial weather for migraines
    • Hi
      RealFeel
      21°
    • UV
      5 - Moderate
    • Cloud
      Cover
      88%
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Mon
9am
10am 11am 12pm 1pm 2pm 3pm 4pm
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Forecast
Mostly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Temp (°C) 17° 19° 20° 22° 23° 25° 25° 25°
RealFeel® 18° 20° 23° 25° 26° 27° 27° 26°
Humidity 84% 78% 74% 70% 65% 61% 59% 61%
   
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Rain
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Wind (km/h) 10 S 10 S 11 S 11 S 11 S 13 S 13 S 13 S
UV Index 3 4 6 7 7 7 6 4
Cloud Cover 26% 26% 26% 26% 26% 26% 26% 26%
Dew Point 14° 15° 16° 16° 16° 17° 17° 17°
Middle Grid line 30 C Middle Grid line 25 C Middle Grid line 20 C Middle Grid line 15 C

Temperature History - May 20

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