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Next 5 Days
  • Tonight

    Aug 3

    Clear Lo 9°
    more
  • Tue

    Aug 4

    Sunny and comfortable 24°Lo 11°
  • Wed

    Aug 5

    Clouds and sun 23°Lo 13°
    more
  • Thu

    Aug 6

    Periods of sun 23°Lo 14°
    more
  • Fri

    Aug 7

    Heavy afternoon thunderstorms 24°Lo 12°
    more
Hi 24° RealFeel® 27° Precipitation 1%

Day

N

E

S

W

  • NNE 7 km/h
  • Gusts: 13 km/h

Comfortable with plenty of sunshine

  • Max UV Index: 6 (High)
  • Thunderstorms: 0%
  • Precipitation: 0 mm
  • Rain: 0 mm
  • Snow: 0 CM
  • Ice: 0 mm
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs
Lo 11° RealFeel® 11° Precipitation 2%

Night

N

E

S

W

  • E 9 km/h
  • Gusts: 13 km/h

Partly cloudy

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

Temperature History - Aug 4

more Historical Weather Data >
  Today Normal Record 8/4/2014
High 24° 26° N/A 25°
Low 11° 13° N/A

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:09 AM with 14:59 of sunlight, then sets at 9:08 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 11:21 PM with 13:30 of moolight, then sets at 12:51 PM

Thornhill Weather Report

My Thoughts on the Pattern this Week

August 3, 2015; 3:33 PM ET

My look at the overall pattern across Canada for this week. more >