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Next 5 Days
  • Today

    Apr 17

    Mostly sunny and breezy 8°Lo 2°
    more
  • Fri

    Apr 18

    A brief afternoon shower 9°Lo 1°
  • Sat

    Apr 19

    Times of clouds and sun 10°Lo 2°
    more
  • Sun

    Apr 20

    Times of clouds and sun 11°Lo 4°
    more
  • Mon

    Apr 21

    A couple of showers possible 13°Lo 3°
    more
< Previous 8 hours Next 8 hours >
  Fri
11am
12pm 1pm 2pm 3pm 4pm 5pm 6pm
  11am 12pm 1pm 2pm 3pm 4pm 5pm 6pm
Forecast
Partly Sunny
Partly Sunny
Partly Sunny
Cloudy
Cloudy
Cloudy
Mostly Cloudy
Showers
Temp (°C)
RealFeel®
Humidity 74% 73% 74% 74% 74% 74% 75% 76%
   
  11am 12pm 1pm 2pm 3pm 4pm 5pm 6pm
Rain
 
7%
 
7%
 
9%
 
14%
 
14%
 
18%
 
47%
 
51%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  11am 12pm 1pm 2pm 3pm 4pm 5pm 6pm
Wind (km/h) 13 SSE 13 SSE 11 SSE 11 S 10 S 8 SSW 8 SW 8 WSW
UV Index 4 5 5 2 2 1 1 0
Cloud Cover 45% 45% 45% 94% 94% 92% 88% 86%
Dew Point
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 11° 27° (1976) 22°
Low -12° (1875)

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:30 AM with 13:35 of sunlight, then sets at 8:05 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 11:54 PM with 9:47 of moolight, then sets at 9:41 AM

Top Story

Thornhill Weather Report

Latest Status on Great Lakes Ice

April 16, 2014; 10:03 AM ET

Back from Toronto and the snow.... more >