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  • Early AM

    Sep 18

    A shower possible Lo 9°
    more
  • Today

    Sep 18

    Cool with clouds breaking 14°Lo 6°
    more
  • Fri

    Sep 19

    Partly sunny and pleasant 15°Lo 10°
  • Sat

    Sep 20

    Breezy with clouds and sun 22°Lo 16°
    more
  • Sun

    Sep 21

    Rather cloudy, showers around 21°Lo 9°
    more
Partly sunny 14° Lo 8° RealFeel® 15° / 6°

N

E

S

W

  • Precipitation: 0%
  • Rain: 0 mm
  • Snow: 0 CM
  • Humidity: 66%
  • Cloud Cover: 26%
  • Dew Point: 5° C
  • Visibility: 10 km
11 km/h

Temperature History - Sep 19

more Historical Weather Data >
  Today Normal Record 9/19/2013
High 15° 20° 32° (1955) 22°
Low 10° 10° (1842)

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 7:00 AM with 12:23 of sunlight, then sets at 7:23 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 1:43 AM with 14:36 of moolight, then sets at 4:19 PM

Top Story

Thornhill Weather Report

Long Winter Nights, Dry Air Increase Chance to View Aurora

September 17, 2014; 11:06 PM ET

Igniting across Northern skies, ghostly rivers of light dance overhead each year, emitting vibrant shades of green, blue, pink, red and violet. more >