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  • Today

    Sep 18

    Partly sunny and cool 15°Lo 5°
    more
  • Fri

    Sep 19

    Partly sunny 14°Lo 10°
  • Sat

    Sep 20

    Showers late in the afternoon 22°Lo 16°
    more
  • Sun

    Sep 21

    Mostly cloudy, showers around 20°Lo 8°
    more
  • Mon

    Sep 22

    Cool with clouds and sun 14°Lo 7°
    more
Warmer 12° Lo 10° RealFeel® 10° / 9°

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W

  • Precipitation: 0%
  • Rain: 0 mm
  • Snow: 0 CM
  • Humidity: 74%
  • Cloud Cover: 45%
  • Dew Point: 6° C
  • Visibility: 10 km
6 km/h

Temperature History - Sep 19

more Historical Weather Data >
  Today Normal Record 9/19/2013
High 14° 20° 32° (1955) 22°
Low 10° 10° (1842)

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 7:01 AM with 12:20 of sunlight, then sets at 7:21 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 2:38 AM with 14:16 of moolight, then sets at 4:54 PM

Top Story

Thornhill Weather Report

Long Winter Nights, Dry Air Increase Chance to View Aurora

September 18, 2014; 8:05 AM ET

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