• Early AM

    Apr 18

    Lo 4°

    Increasing clouds

    Sinus Headache Weather
    • Hi
      RealFeel
    • UV
      6 - High
    • Cloud
      Cover
      75%
    more
  • Today

    Apr 18

    12°Lo 1°

    Milder; a little p.m. rain

    Neutral weather for sinus headaches
    • Hi
      RealFeel
      13°
    • UV
      3 - Moderate
    • Cloud
      Cover
      89%
  • Sat

    Apr 19

    12°Lo 2°

    Partly sunny

    Neutral weather for sinus headaches
    • Hi
      RealFeel
      15°
    • UV
      6 - High
    • Cloud
      Cover
      26%
    more
  • Sun

    Apr 20

    16°Lo 4°

    Times of clouds and sun

    Neutral weather for sinus headaches
    • Hi
      RealFeel
      17°
    • UV
      6 - High
    • Cloud
      Cover
      46%
    more
  • Mon

    Apr 21

    20°Lo 8°

    An afternoon shower possible

    At Risk weather for sinus headaches
    • Hi
      RealFeel
      21°
    • UV
      5 - Moderate
    • Cloud
      Cover
      64%
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Fri
12pm
1pm 2pm 3pm 4pm 5pm 6pm 7pm
  12pm 1pm 2pm 3pm 4pm 5pm 6pm 7pm
Forecast
Cloudy
Cloudy
Cloudy
Showers
Mostly Cloudy
Mostly Cloudy
Showers
Partly Cloudy
Temp (°C) 10° 10° 10° 11° 12° 13° 12° 11°
RealFeel® 11° 11° 13° 12° 12° 11°
Humidity 68% 71% 73% 68% 63% 61% 61% 61%
   
  12pm 1pm 2pm 3pm 4pm 5pm 6pm 7pm
Rain
 
5%
 
8%
 
40%
 
44%
 
40%
 
40%
 
44%
 
40%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  12pm 1pm 2pm 3pm 4pm 5pm 6pm 7pm
Wind (km/h) 10 SW 8 WSW 6 WSW 8 W 8 W 10 W 13 WNW 14 NW
UV Index 3 3 3 2 2 1 0 0
Cloud Cover 97% 95% 93% 88% 83% 78% 75% 72%
Dew Point
Middle Grid line 15 C Middle Grid line 10 C Middle Grid line 5 C

Temperature History - Apr 18

more Historical Weather Data >
  Today Normal Record 4/18/2013
High 12° N/A N/A 20°
Low N/A N/A

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:30 AM with 13:34 of sunlight, then sets at 8:04 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 11:53 PM with 9:47 of moolight, then sets at 9:40 AM

Top Story

Markham Weather Report

Long Range Hints through May

April 18, 2014; 12:23 AM ET

more >