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  • Tonight

    Jul 31

    Mainly clear Lo 13°
    more
  • Fri

    Aug 1

    Mostly sunny 29°Lo 15°
    more
  • Sat

    Aug 2

    An afternoon thunderstorm 27°Lo 10°
  • Sun

    Aug 3

    Not as warm with a t-storm 24°Lo 12°
    more
  • Mon

    Aug 4

    Nice with clouds and sun 27°Lo 13°
    more
Hi 27° RealFeel® 28° Precipitation 57%

Day

N

E

S

W

  • N 10 km/h
  • Gusts: 16 km/h

Periods of sunshine with a shower or thunderstorm around in the afternoon

  • Max UV Index: 6 (High)
  • Thunderstorms: 40%
  • Precipitation: 3 mm
  • Rain: 3 mm
  • Snow: 0 CM
  • Ice: 0 mm
  • Hours of Precipitation: 1 hrs
  • Hours of Rain: 1 hrs
Lo 10° RealFeel® 10° Precipitation 60%

Night

N

E

S

W

  • NE 6 km/h
  • Gusts: 16 km/h

Partly cloudy with a shower

  • Max UV Index: N/A
  • Thunderstorms: 29%
  • Precipitation: 5 mm
  • Rain: 5 mm
  • Snow: 0 CM
  • Ice: 0 mm
  • Hours of Precipitation: 2.5 hrs
  • Hours of Rain: 2.5 hrs

Temperature History - Aug 2

more Historical Weather Data >
  Today Normal Record 8/2/2013
High 27° 26° N/A 21°
Low 11° 13° N/A

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:06 AM with 15:05 of sunlight, then sets at 9:11 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 1:08 PM with 10:42 of moolight, then sets at 11:50 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 >