• Today

    Dec 21

    1°Lo -4°

    Clouds giving way to some sun

    Beneficial weather for asthma
    • Hi
      RealFeel
    • UV
      1 - Low
    • Air Qual.
      Good
    more
  • Mon

    Dec 22

    3°Lo 0°

    Some sun, then clouds

    Beneficial weather for asthma
    • Hi
      RealFeel
      -1°
    • UV
      1 - Low
    • Air Qual.
      Good
  • Tue

    Dec 23

    6°Lo 4°

    Cloudy, damp in the afternoon

    Beneficial weather for asthma
    • Hi
      RealFeel
    • UV
      1 - Low
    • Air Qual.
      Good
    more
  • Wed

    Dec 24

    7°Lo 1°

    Rain becoming steadier

    Neutral weather for asthma
    • Hi
      RealFeel
    • UV
      0 - Low
    • Cloud
      Cover
      99%
    more
  • Thu

    Dec 25

    4°Lo -2°

    Very windy; cloudy and colder

    Beneficial weather for asthma
    • Hi
      RealFeel
      -6°
    • UV
      1 - Low
    • Cloud
      Cover
      95%
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Mon
5am
6am 7am 8am 9am 10am 11am 12pm
  5am 6am 7am 8am 9am 10am 11am 12pm
Forecast
Mostly Cloudy
Mostly Cloudy
Partly Cloudy
Partly Sunny
Partly Sunny
Partly Sunny
Partly Sunny
Partly Sunny
Temp (°C) -3° -3° -3° -2° -1°
RealFeel® -5° -6° -6° -6° -5° -4° -3° -2°
Humidity 85% 86% 87% 87% 86% 83% 78% 73%
   
  5am 6am 7am 8am 9am 10am 11am 12pm
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%
   
  5am 6am 7am 8am 9am 10am 11am 12pm
Wind (km/h) 9 E 11 E 11 E 11 E 11 E 13 ESE 13 ESE 15 ESE
UV Index 0 0 0 0 0 1 1 1
Cloud Cover 76% 76% 30% 39% 45% 45% 45% 45%
Dew Point -5° -5° -4° -4° -3° -3° -3° -3°
Middle Grid line 5 C Middle Grid line 0 C

Temperature History - Dec 22

more Historical Weather Data >
  Today Normal Record 12/22/2013
High N/A N/A
Low N/A N/A -3°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 7:49 AM with 8:54 of sunlight, then sets at 4:43 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 7:57 AM with 9:56 of moolight, then sets at 5:53 PM

Markham Weather Report

Weekend Update on White Christmas Potential in Canada

December 20, 2014; 3:49 PM ET

Update on White Christmas probabilities for Canada more >