• Today

    May 21

    26°Lo 16°

    Rain and a thunderstorm

    Poor for lawn mowing
    • Hours of Precip
      5
    • Precip
      65%
    • Hi
      RealFeel
      27°
    more
  • Wed

    May 22

    22°Lo 14°

    A couple of thunderstorms

    Fair for lawn mowing
    • Hours of Precip
      6
    • Precip
      60%
    • Hi
      RealFeel
      24°
  • Thu

    May 23

    19°Lo 5°

    Not as warm with a t-storm

    Fair for lawn mowing
    • Hours of Precip
      2.5
    • Precip
      55%
    • Hi
      RealFeel
      18°
    more
  • Fri

    May 24

    15°Lo 5°

    Breezy with periods of sun

    Good for lawn mowing
    • Hours of Precip
      0
    • Precip
      0%
    • Hi
      RealFeel
      15°
    more
  • Sat

    May 25

    17°Lo 6°

    A full day of sunshine

    Excellent for lawn mowing
    • Hours of Precip
      0
    • Precip
      0%
    • Hi
      RealFeel
      21°
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Wed
12am
1am 2am 3am 4am 5am 6am 7am
  12am 1am 2am 3am 4am 5am 6am 7am
Forecast
Mostly Cloudy
Mostly Cloudy
Mostly Cloudy
Mostly Cloudy
Mostly Cloudy
Cloudy
Partly Cloudy
Partly Cloudy
Temp (°C) 19° 19° 18° 17° 17° 16° 16° 17°
RealFeel® 17° 17° 16° 16° 15° 15° 15° 16°
Humidity 80% 80% 82% 86% 90% 92% 92% 90%
   
  12am 1am 2am 3am 4am 5am 6am 7am
Rain
 
47%
 
36%
 
20%
 
20%
 
20%
 
20%
 
20%
 
25%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  12am 1am 2am 3am 4am 5am 6am 7am
Wind (km/h) 8 WNW 8 WNW 8 WNW 8 WNW 8 WNW 8 WNW 8 SW 10 SSW
UV Index 0 0 0 0 0 0 0 0
Cloud Cover 88% 87% 86% 81% 76% 71% 67% 62%
Dew Point 16° 16° 15° 15° 15° 15° 15° 15°
Middle Grid line 20 C Middle Grid line 15 C

Temperature History - May 22

more Historical Weather Data >
  Today Normal Record 5/22/2012
High 22° N/A N/A 23°
Low 14° N/A N/A 15°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:45 AM with 14:58 of sunlight, then sets at 8:43 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 5:59 PM with 10:32 of moolight, then sets at 4:31 AM

Top Story

Markham Weather Report

Severe Thunderstorm Threat Continues Wednesday

May 21, 2013; 3:42 PM ET

Potential for strong thunderstorms again Wednesday. more >