• Today

    Apr 21

    10°Lo 1°

    A couple of p.m. t-storms

    Low indoor dust & dander levels
    • Precip
      75%
    • Wind
      Speed
      22 k/h
    • Cloud
      Cover
      87%
  • Wed

    Apr 22

    8°Lo -2°

    A couple of showers

    Moderate indoor dust & dander levels
    • Precip
      64%
    • Wind
      Speed
      22 k/h
    • Cloud
      Cover
      74%
    more
  • Thu

    Apr 23

    6°Lo -2°

    A morning rain or snow shower

    High indoor dust & dander levels
    • Precip
      49%
    • Wind
      Speed
      28 k/h
    • Cloud
      Cover
      79%
    more
  • Fri

    Apr 24

    8°Lo 0°

    Breezy with clouds and sun

    High indoor dust & dander levels
    • Precip
      25%
    • Wind
      Speed
      32 k/h
    • Cloud
      Cover
      54%
    more
  • Sat

    Apr 25

    10°Lo 1°

    Partly sunny and breezy

    High indoor dust & dander levels
    • Precip
      25%
    • Wind
      Speed
      28 k/h
    • Cloud
      Cover
      44%
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Tue
10am
11am 12pm 1pm 2pm 3pm 4pm 5pm
  10am 11am 12pm 1pm 2pm 3pm 4pm 5pm
Forecast
Showers
Showers
Showers
Showers
T-storms
T-storms
T-storms
Cloudy
Temp (°C) 10°
RealFeel®
Humidity 61% 59% 55% 58% 62% 62% 64% 65%
   
  10am 11am 12pm 1pm 2pm 3pm 4pm 5pm
Rain
 
53%
 
57%
 
57%
 
61%
 
64%
 
57%
 
56%
 
40%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  10am 11am 12pm 1pm 2pm 3pm 4pm 5pm
Wind (km/h) 20 SW 24 SW 22 SW 18 SW 20 SW 24 SW 26 SW 26 SW
UV Index 2 2 3 3 3 2 2 1
Cloud Cover 93% 94% 94% 97% 93% 87% 88% 99%
Dew Point
Middle Grid line 15 C Middle Grid line 10 C Middle Grid line 5 C

Temperature History - Apr 21

more Historical Weather Data >
  Today Normal Record 4/21/2014
High 10° N/A N/A 19°
Low N/A N/A

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:25 AM with 13:43 of sunlight, then sets at 8:08 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 8:38 AM with 14:53 of moolight, then sets at 11:31 PM

Markham Weather Report

Update on Long Range

April 21, 2015; 12:03 PM ET

An update on the long range and a look at the overall pattern the rest of this week in Canada. more >