• Today

    Sep 17

    21°Lo 9°

    Partly sunny and nice

    Beneficial weather for colds
    • Avg
      Temp
      15°
    • Avg
      RealFeel
      12°
    • Hi
      RealFeel
      20°
  • Thu

    Sep 18

    15°Lo 6°

    Cooler with clouds breaking

    Beneficial weather for colds
    • Avg
      Temp
      11°
    • Avg
      RealFeel
    • Hi
      RealFeel
      14°
    more
  • Fri

    Sep 19

    16°Lo 10°

    Partly sunny and pleasant

    Beneficial weather for colds
    • Avg
      Temp
      13°
    • Avg
      RealFeel
      12°
    • Hi
      RealFeel
      16°
    more
  • Sat

    Sep 20

    22°Lo 17°

    Breezy with clouds and sun

    Neutral weather for colds
    • Avg
      Temp
      19°
    • Avg
      RealFeel
      16°
    • Hi
      RealFeel
      19°
    more
  • Sun

    Sep 21

    22°Lo 9°

    Mostly cloudy, showers around

    Neutral weather for colds
    • Avg
      Temp
      16°
    • Avg
      RealFeel
      14°
    • Hi
      RealFeel
      20°
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Wed
8am
9am 10am 11am 12pm 1pm 2pm 3pm
  8am 9am 10am 11am 12pm 1pm 2pm 3pm
Forecast
Partly Sunny
Partly Sunny
Partly Sunny
Partly Sunny
Partly Sunny
Partly Sunny
Partly Sunny
Partly Sunny
Temp (°C) 10° 13° 16° 17° 18° 19° 20° 20°
RealFeel® 13° 15° 17° 18° 19° 20° 19°
Humidity 86% 77% 62% 54% 52% 48% 49% 45%
   
  8am 9am 10am 11am 12pm 1pm 2pm 3pm
Rain
 
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Snow
 
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Ice
 
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  8am 9am 10am 11am 12pm 1pm 2pm 3pm
Wind (km/h) 6 WSW 8 WSW 14 W 18 SW 16 WSW 16 W 14 SW 18 WSW
UV Index 0 1 2 3 4 5 4 3
Cloud Cover 40% 41% 41% 47% 46% 47% 40% 40%
Dew Point
Middle Grid line 25 C Middle Grid line 20 C Middle Grid line 15 C Middle Grid line 10 C Middle Grid line 5 C

Temperature History - Sep 17

more Historical Weather Data >
  Today Normal Record 9/17/2013
High 21° N/A N/A 16°
Low N/A N/A

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:58 AM with 12:26 of sunlight, then sets at 7:24 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 12:48 AM with 14:52 of moolight, then sets at 3:40 PM

Top Story

Markham Weather Report

Long Winter Nights, Dry Air Increase Chance to View Aurora

September 17, 2014; 2:10 PM ET

Igniting across Northern skies, ghostly rivers of light dance overhead each year, emitting vibrant shades of green, blue, pink, red and violet. more >