• Today

    May 19

    24°Lo 15°

    Times of clouds and sun

    Excellent for outdoor DIY projects
    • Precip
      25%
    • Hours of Precip
      0
    • Hi
      RealFeel
      25°
    more
  • Mon

    May 20

    26°Lo 13°

    Pleasant with periods of sun

    Excellent for outdoor DIY projects
    • Precip
      22%
    • Hours of Precip
      0
    • Hi
      RealFeel
      29°
  • Tue

    May 21

    21°Lo 11°

    Periods of rain and a t-storm

    Poor for outdoor DIY projects
    • Precip
      65%
    • Hours of Precip
      5.5
    • Hi
      RealFeel
      22°
    more
  • Wed

    May 22

    22°Lo 12°

    A couple of thunderstorms

    Poor for outdoor DIY projects
    • Precip
      65%
    • Hours of Precip
      3
    • Hi
      RealFeel
      24°
    more
  • Thu

    May 23

    18°Lo 10°

    A couple of thunderstorms

    Poor for outdoor DIY projects
    • Precip
      66%
    • Hours of Precip
      4
    • Hi
      RealFeel
      19°
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Mon
7am
8am 9am 10am 11am 12pm 1pm 2pm
  7am 8am 9am 10am 11am 12pm 1pm 2pm
Forecast
Mostly Sunny
Partly Sunny
Partly Sunny
Partly Sunny
Partly Sunny
Partly Sunny
Partly Sunny
Partly Sunny
Temp (°C) 15° 17° 19° 21° 23° 24° 25° 26°
RealFeel® 15° 18° 21° 23° 26° 28° 29° 29°
Humidity 92% 82% 74% 71% 65% 60% 58% 57%
   
  7am 8am 9am 10am 11am 12pm 1pm 2pm
Rain
 
1%
 
0%
 
0%
 
0%
 
0%
 
0%
 
1%
 
2%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  7am 8am 9am 10am 11am 12pm 1pm 2pm
Wind (km/h) 3 W 3 W 5 E 6 E 6 E 8 ESE 10 ESE 10 SE
UV Index 0 1 3 4 6 7 7 7
Cloud Cover 26% 46% 46% 46% 46% 46% 46% 46%
Dew Point 14° 14° 15° 15° 16° 16° 17° 17°
Middle Grid line 30 C Middle Grid line 25 C Middle Grid line 20 C Middle Grid line 15 C Middle Grid line 10 C

Temperature History - May 20

more Historical Weather Data >
  Today Normal Record 5/20/2012
High 26° N/A N/A 27°
Low 13° N/A N/A 11°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:47 AM with 14:54 of sunlight, then sets at 8:41 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 3:38 PM with 11:43 of moolight, then sets at 3:21 AM

Top Story

Markham Weather Report

The Summer Outlook for Canada

May 18, 2013; 9:44 AM ET

The Accuweather.com summer forecast for Canada. more >