• Today

    Sep 19

    15°Lo 10°

    Decreasing clouds

    Beneficial weather for colds
    • Avg
      Temp
      12°
    • Avg
      RealFeel
    • Hi
      RealFeel
      14°
    more
  • Sat

    Sep 20

    24°Lo 17°

    Warmer; a shower in the p.m.

    Neutral weather for colds
    • Avg
      Temp
      21°
    • Avg
      RealFeel
      18°
    • Hi
      RealFeel
      22°
  • Sun

    Sep 21

    22°Lo 8°

    Mostly cloudy, showers around

    At Risk weather for colds
    • Avg
      Temp
      15°
    • Avg
      RealFeel
      12°
    • Hi
      RealFeel
      20°
    more
  • Mon

    Sep 22

    16°Lo 9°

    Partly sunny and cooler

    Neutral weather for colds
    • Avg
      Temp
      12°
    • Avg
      RealFeel
    • Hi
      RealFeel
      14°
    more
  • Tue

    Sep 23

    20°Lo 7°

    A couple of showers

    Neutral weather for colds
    • Avg
      Temp
      13°
    • Avg
      RealFeel
      12°
    • Hi
      RealFeel
      19°
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Sat
9am
10am 11am 12pm 1pm 2pm 3pm 4pm
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Forecast
Partly Sunny
Partly Sunny
Partly Sunny
Partly Sunny
Partly Sunny
Mostly Cloudy
Mostly Cloudy
Mostly Cloudy
Temp (°C) 18° 19° 21° 22° 23° 23° 23° 24°
RealFeel® 15° 18° 19° 21° 21° 21° 21° 22°
Humidity 80% 74% 69% 64% 61% 61% 59% 56%
   
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Rain
 
5%
 
6%
 
7%
 
7%
 
11%
 
17%
 
17%
 
22%
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) 18 SSW 16 SSW 22 SSW 24 SW 27 SW 31 SW 27 SW 24 SW
UV Index 1 2 3 4 4 3 3 2
Cloud Cover 45% 45% 45% 45% 45% 76% 76% 79%
Dew Point 14° 14° 15° 15° 15° 15° 15° 15°
Middle Grid line 25 C Middle Grid line 20 C Middle Grid line 15 C

Temperature History - Sep 20

more Historical Weather Data >
  Today Normal Record 9/20/2013
High 24° N/A N/A 24°
Low 17° N/A N/A 16°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 7:02 AM with 12:17 of sunlight, then sets at 7:19 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 3:35 AM with 13:50 of moolight, then sets at 5:25 PM

Top Story

Markham Weather Report

Cold Snap, Widespread Frost Looms for Northeast

September 19, 2014; 4:57 AM ET

The chilliest air of the season so far will settle over much of the Northeast into Friday and will bring frost to a large area. more >