• Tonight

    Dec 27

    Lo 2°

    Rain and drizzle this evening

    Sinus Headache Weather
    • Hi
      RealFeel
    • UV
      0 - Low
    • Cloud
      Cover
      96%
  • Sun

    Dec 28

    2°Lo -6°

    Mostly cloudy

    Neutral weather for sinus headaches
    • Hi
      RealFeel
      -5°
    • UV
      1 - Low
    • Cloud
      Cover
      91%
    more
  • Mon

    Dec 29

    -5°Lo -16°

    Mostly sunny and colder

    Neutral weather for sinus headaches
    • Hi
      RealFeel
      -9°
    • UV
      1 - Low
    • Cloud
      Cover
      19%
    more
  • Tue

    Dec 30

    -10°Lo -17°

    Cloudy and cold

    Beneficial weather for sinus headaches
    • Hi
      RealFeel
      -14°
    • UV
      1 - Low
    • Cloud
      Cover
      95%
    more
  • Wed

    Dec 31

    -8°Lo -10°

    Times of clouds and sun

    Neutral weather for sinus headaches
    • Hi
      RealFeel
      -14°
    • UV
      1 - Low
    • Cloud
      Cover
      70%
    more
Next Previous
Next 8 hours >
  Sat
12am
1am 2am 3am 4am 5am 6am 7am
  12am 1am 2am 3am 4am 5am 6am 7am
Forecast
Cloudy
Cloudy
Cloudy
Mostly Cloudy
Mostly Cloudy
Cloudy
Mostly Cloudy
Cloudy
Temp (°C) -1°
RealFeel® -1° -2°
Humidity 72% 71% 73% 74% 75% 78% 87% 100%
   
  12am 1am 2am 3am 4am 5am 6am 7am
Rain
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
5%
Snow
 
6%
 
7%
 
7%
 
7%
 
7%
 
7%
 
9%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
6%
   
  12am 1am 2am 3am 4am 5am 6am 7am
Wind (km/h) 9 WNW 9 WNW 7 NW 6 SSW 6 SW 6 SSW 6 SSW 6 WSW
UV Index 0 0 0 0 0 0 0 0
Cloud Cover 70% 71% 67% 76% 76% 99% 89% 90%
Dew Point -3° -3° -3° -3° -3° -3° -2° -1°
Middle Grid line 5 C Middle Grid line 0 C

Temperature History - Dec 27

more Historical Weather Data >
  Today Normal Record 12/27/2013
High -4° (1949) -4°
Low -13° -32° (1993) -11°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 7:42 AM with 8:45 of sunlight, then sets at 4:27 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 11:11 AM with 12:22 of moolight, then sets at 11:33 PM

Nepean Weather Report

Arctic Air Aims West and Long Range Update

December 27, 2014; 9:54 AM ET

Arctic air will pay a brief visit to southwestern Canada early this coming week. more >