• Tonight

    Apr 16

    Lo -2°

    Patchy clouds

    Sinus Headache Weather
    • Hi
      RealFeel
    • UV
      4 - Moderate
    • Cloud
      Cover
      60%
  • Thu

    Apr 17

    9°Lo 3°

    Mostly sunny and breezy

    Neutral weather for sinus headaches
    • Hi
      RealFeel
    • UV
      6 - High
    • Cloud
      Cover
      25%
    more
  • Fri

    Apr 18

    12°Lo 2°

    A shower in the afternoon

    At Risk weather for sinus headaches
    • Hi
      RealFeel
      14°
    • UV
      6 - High
    • Cloud
      Cover
      60%
    more
  • Sat

    Apr 19

    8°Lo 2°

    Mostly cloudy

    At Risk weather for sinus headaches
    • Hi
      RealFeel
    • UV
      4 - Moderate
    • Cloud
      Cover
      76%
    more
  • Sun

    Apr 20

    15°Lo 3°

    Cool with clouds and sun

    Neutral weather for sinus headaches
    • Hi
      RealFeel
      20°
    • UV
      5 - Moderate
    • Cloud
      Cover
      67%
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Wed
9am
10am 11am 12pm 1pm 2pm 3pm 4pm
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Forecast
Sunny
Partly Sunny
Mostly Cloudy
Mostly Cloudy
Mostly Cloudy
Mostly Cloudy
Partly Cloudy
Mostly Cloudy
Temp (°C) -4° -2° -1°
RealFeel® -2° -3° -1°
Humidity 53% 56% 56% 47% 44% 50% 48% 42%
   
  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) 6 NNW 5 W 13 W 13 W 10 WNW 11 W 18 W 8 N
UV Index 2 3 3 3 4 3 4 2
Cloud Cover 0% 35% 75% 75% 75% 85% 50% 85%
Dew Point -12° -10° -9° -10° -9° -7° -7° -9°
Middle Grid line 5 C Middle Grid line 0 C

Temperature History - Apr 16

more Historical Weather Data >
  Today Normal Record 4/16/2013
High N/A N/A 13°
Low -2° N/A N/A

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:33 AM with 13:29 of sunlight, then sets at 8:02 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 9:47 PM with 10:11 of moolight, then sets at 7:58 AM

Top Story

Markham Weather Report

Latest Status on Great Lakes Ice

April 16, 2014; 10:03 AM ET

Back from Toronto and the snow.... more >