• Today

    Dec 18

    -1°Lo -10°

    Mostly cloudy and breezy

    High indoor dust & dander levels
    • Precip
      70%
    • Wind
      Speed
      20 k/h
    • Cloud
      Cover
      97%
  • Fri

    Dec 19

    -6°Lo -13°

    Brilliant sunshine

    Very High indoor dust & dander levels
    • Precip
      2%
    • Wind
      Speed
      13 k/h
    • Cloud
      Cover
      8%
    more
  • Sat

    Dec 20

    -5°Lo -15°

    Partly sunny

    Very High indoor dust & dander levels
    • Precip
      0%
    • Wind
      Speed
      4 k/h
    • Cloud
      Cover
      37%
    more
  • Sun

    Dec 21

    -6°Lo -11°

    Times of clouds and sun

    Extreme indoor dust & dander levels
    • Precip
      8%
    • Wind
      Speed
      4 k/h
    • Cloud
      Cover
      46%
    more
  • Mon

    Dec 22

    -3°Lo -7°

    Turning cloudy

    Very High indoor dust & dander levels
    • Precip
      7%
    • Wind
      Speed
      11 k/h
    • Cloud
      Cover
      87%
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Thu
1pm
2pm 3pm 4pm 5pm 6pm 7pm 8pm
  1pm 2pm 3pm 4pm 5pm 6pm 7pm 8pm
Forecast
Cloudy
Cloudy
Cloudy
Cloudy
Cloudy
Cloudy
Cloudy
Mostly Cloudy
Temp (°C) -1° -1° -1° -2° -2° -3° -3° -4°
RealFeel® -8° -8° -8° -8° -9° -9° -10° -10°
Humidity 79% 79% 78% 79% 78% 77% 78% 78%
   
  1pm 2pm 3pm 4pm 5pm 6pm 7pm 8pm
Rain
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Snow
 
1%
 
1%
 
1%
 
1%
 
1%
 
1%
 
1%
 
1%
Ice
 
16%
 
16%
 
16%
 
16%
 
16%
 
10%
 
0%
 
0%
   
  1pm 2pm 3pm 4pm 5pm 6pm 7pm 8pm
Wind (km/h) 22 WNW 20 WNW 18 WNW 17 WNW 18 WNW 18 WNW 18 WNW 18 NW
UV Index 0 0 0 0 0 0 0 0
Cloud Cover 95% 95% 97% 99% 96% 95% 94% 89%
Dew Point -4° -4° -5° -5° -6° -6° -7° -7°
Middle Grid line 0 C Middle Grid line -5 C

Temperature History - Dec 18

more Historical Weather Data >
  Today Normal Record 12/18/2013
High -1° -3° (2006) -8°
Low -11° -11° -26° (1944) -17°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 7:38 AM with 8:44 of sunlight, then sets at 4:22 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 3:40 AM with 10:28 of moolight, then sets at 2:08 PM

Nepean Weather Report

Snow, Wintry Mix in Store for Northern New England

December 18, 2014; 12:31 PM ET

The same storm system that brought snow to the Upper Midwest on Tuesday will affect part of upstate New York and northern New England into Thursday. more >