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  • Today

    Jul 31

    A couple of thunderstorms 22°Lo 14°
  • Fri

    Aug 1

    A thunderstorm in spots 26°Lo 15°
    more
  • Sat

    Aug 2

    A couple of p.m. t-storms 26°Lo 16°
    more
  • Sun

    Aug 3

    Clouds and sun with a t-storm 26°Lo 16°
    more
  • Mon

    Aug 4

    An afternoon shower 26°Lo 15°
    more
< Previous 8 hours Next 8 hours >
  Thu
12pm
1pm 2pm 3pm 4pm 5pm 6pm 7pm
  12pm 1pm 2pm 3pm 4pm 5pm 6pm 7pm
Forecast
Mostly Cloudy
T-storms
Mostly Cloudy
Partly Cloudy
T-storms
T-storms
Partly Cloudy
Partly Cloudy
Temp (°C) 20° 19° 20° 22° 21° 21° 21° 21°
RealFeel® 22° 21° 22° 23° 20° 19° 20° 19°
Humidity 61% 80% 75% 65% 76% 77% 71% 66%
   
  12pm 1pm 2pm 3pm 4pm 5pm 6pm 7pm
Rain
 
47%
 
51%
 
47%
 
47%
 
51%
 
51%
 
47%
 
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) 11 SSE 11 S 13 S 13 SSW 13 SW 13 SW 11 SW 11 SW
UV Index 5 6 5 5 4 2 1 0
Cloud Cover 79% 77% 77% 74% 70% 70% 70% 70%
Dew Point 13° 16° 16° 15° 16° 16° 16° 15°
Middle Grid line 25 C Middle Grid line 20 C Middle Grid line 15 C

Temperature History - Jul 31

more Historical Weather Data >
  Today Normal Record 7/31/2013
High 22° 26° 33° (1917) 25°
Low 14° 20° (1842) 15°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:05 AM with 14:37 of sunlight, then sets at 8:42 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 10:42 AM with 12:00 of moolight, then sets at 10:42 PM

Top Story

Thornhill Weather Report

Smoke From Canada Wildfires to Impact Chicago, NYC

July 31, 2014; 5:02 AM ET

Ongoing wildfires in Ontario and western Canada will impact areas across the Great Lakes to the Northeast through the weekend. more >