• Today

    Dec 20

    -1°Lo -6°

    Times of clouds and sun

    Fair for stargazing
    • Cloud
      Cover
      46%
    • Precip
      12%
    • Hours of Precip
      0
    more
  • Sun

    Dec 21

    1°Lo -3°

    Partly sunny

    Poor for stargazing
    • Cloud
      Cover
      76%
    • Precip
      9%
    • Hours of Precip
      0
  • Mon

    Dec 22

    2°Lo 0°

    Some sun, then clouds

    Poor for stargazing
    • Cloud
      Cover
      66%
    • Precip
      25%
    • Hours of Precip
      0
    more
  • Tue

    Dec 23

    6°Lo 4°

    Cloudy, damp in the afternoon

    Poor for stargazing
    • Cloud
      Cover
      95%
    • Precip
      72%
    • Hours of Precip
      6
    more
  • Wed

    Dec 24

    9°Lo 0°

    Windy with rain

    Poor for stargazing
    • Cloud
      Cover
      96%
    • Precip
      55%
    • Hours of Precip
      12
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Sun
5am
6am 7am 8am 9am 10am 11am 12pm
  5am 6am 7am 8am 9am 10am 11am 12pm
Forecast
Partly Cloudy
Partly Cloudy
Partly Cloudy
Partly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Temp (°C) -3° -4° -5° -6° -4° -3° -1°
RealFeel® -2° -3° -4° -4° -2°
Humidity 77% 84% 89% 92% 87% 80% 72% 70%
   
  5am 6am 7am 8am 9am 10am 11am 12pm
Rain
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Snow
 
1%
 
1%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  5am 6am 7am 8am 9am 10am 11am 12pm
Wind (km/h) 4 WNW 4 WNW 4 WNW 2 WNW 2 WNW 2 WNW 2 WNW 2 WSW
UV Index 0 0 0 0 0 1 1 1
Cloud Cover 45% 45% 45% 39% 26% 26% 26% 26%
Dew Point -6° -6° -6° -7° -6° -6° -5° -5°
Middle Grid line 5 C Middle Grid line 0 C Middle Grid line -5 C

Temperature History - Dec 21

more Historical Weather Data >
  Today Normal Record 12/21/2013
High 13° (1967)
Low -3° -6° -29° (1871) -1°

Solunar Information for Thornhill, Canada

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 7:48 AM with 8:55 of sunlight, then sets at 4:43 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 7:00 AM with 9:51 of moolight, then sets at 4:51 PM

Mon, Dec 22
New
Sun, Dec 28
First
Mon, Jan 5
Full
Tue, Jan 13
Last

Thornhill Weather Report

Weekend Update on White Christmas Potential in Canada

December 20, 2014; 3:49 PM ET

Update on White Christmas probabilities for Canada more >