• Tonight

    Aug 20

    Lo 18°

    A couple of thunderstorms

    Home Energy Efficiency Weather
    • Avg
      RealFeel
      21°
    • Hi
      RealFeel
      26°
    • Wind
      Speed
      11 k/h
  • Thu

    Aug 21

    24°Lo 17°

    A couple of thunderstorms

    Poor for home energy
    • Avg
      RealFeel
      22°
    • Hi
      RealFeel
      28°
    • Wind
      Speed
      6 k/h
    more
  • Fri

    Aug 22

    26°Lo 17°

    A thunderstorm in spots

    Poor for home energy
    • Avg
      RealFeel
      22°
    • Hi
      RealFeel
      28°
    • Wind
      Speed
      6 k/h
    more
  • Sat

    Aug 23

    24°Lo 17°

    Clouds and sun with a shower

    Poor for home energy
    • Avg
      RealFeel
      21°
    • Hi
      RealFeel
      25°
    • Wind
      Speed
      10 k/h
    more
  • Sun

    Aug 24

    26°Lo 18°

    Variable clouds, a t-storm

    Poor for home energy
    • Avg
      RealFeel
      21°
    • Hi
      RealFeel
      26°
    • Wind
      Speed
      11 k/h
    more
Next Previous
Next 8 hours >
  Wed
12am
1am 2am 3am 4am 5am 6am 7am
  12am 1am 2am 3am 4am 5am 6am 7am
Forecast
T-storms
Cloudy
Cloudy
Mostly Cloudy
Cloudy
Cloudy
Mostly Cloudy
Cloudy
Temp (°C) 18° 18° 18° 18° 18° 17° 18° 18°
RealFeel® 15° 16° 17° 17° 17° 16° 16° 17°
Humidity 75% 78% 84% 84% 84% 87% 84% 84%
   
  12am 1am 2am 3am 4am 5am 6am 7am
Rain
 
58%
 
49%
 
34%
 
34%
 
34%
 
34%
 
34%
 
40%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  12am 1am 2am 3am 4am 5am 6am 7am
Wind (km/h) 13 SSW 10 E 3 ESE 3 NE 5 ENE 6 NE 8 ENE 5 E
UV Index 0 0 0 0 0 0 0 0
Cloud Cover 95% 100% 100% 76% 95% 70% 85% 100%
Dew Point 13° 14° 15° 15° 15° 15° 15° 15°
Middle Grid line 20 C Middle Grid line 15 C

Temperature History - Aug 20

more Historical Weather Data >
  Today Normal Record 8/20/2013
High 24° N/A N/A 30°
Low 18° N/A N/A 17°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:26 AM with 13:48 of sunlight, then sets at 8:14 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 2:02 AM with 14:58 of moolight, then sets at 5:00 PM

Top Story

Markham Weather Report

Weather Pattern Highlights Into Next Week

August 20, 2014; 10:27 AM ET

A look at the weather pattern across Canada into next week. more >