• Today

    Mar 3

    -4°Lo -6°

    Turning cloudy, p.m. snow

    Poor for travel
    • Snow
      7 mm
    • Wind
      Speed
      15 k/h
    • T-storms
      0%
    more
  • Wed

    Mar 4

    1°Lo -15°

    Breezy with a little snow

    Good for travel
    • Snow
      2 mm
    • Wind
      Speed
      24 k/h
    • T-storms
      0%
  • Thu

    Mar 5

    -9°Lo -20°

    Mostly sunny and colder

    Excellent for travel
    • Rain
      0 mm
    • Wind
      Speed
      15 k/h
    • T-storms
      0%
    more
  • Fri

    Mar 6

    -6°Lo -10°

    A little afternoon snow

    Good for travel
    • Snow
      4 mm
    • Wind
      Speed
      20 k/h
    • T-storms
      0%
    more
  • Sat

    Mar 7

    0°Lo -12°

    Snow of varying intensity

    Poor for travel
    • Snow
      8 mm
    • Wind
      Speed
      22 k/h
    • T-storms
      0%
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Wed
1am
2am 3am 4am 5am 6am 7am 8am
  1am 2am 3am 4am 5am 6am 7am 8am
Forecast
Cloudy
Snow
Snow
Snow
Cloudy
Cloudy
Cloudy
Cloudy
Temp (°C) -2° -2° -3° -2° -2° -2°
RealFeel® -7° -9° -11° -11° -10° -10° -6° -7°
Humidity 90% 90% 88% 83% 80% 75% 65% 66%
   
  1am 2am 3am 4am 5am 6am 7am 8am
Rain
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Snow
 
49%
 
56%
 
56%
 
51%
 
47%
 
43%
 
43%
 
47%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  1am 2am 3am 4am 5am 6am 7am 8am
Wind (km/h) 15 SW 17 SW 20 WSW 22 WSW 22 WSW 24 WSW 24 WSW 24 WSW
UV Index 0 0 0 0 0 0 0 0
Cloud Cover 99% 98% 97% 95% 92% 90% 95% 95%
Dew Point -4° -4° -4° -5° -5° -6° -5° -5°
Middle Grid line 5 C Middle Grid line 0 C

Temperature History - Mar 4

more Historical Weather Data >
  Today Normal Record 3/4/2014
High 10° (1965) -9°
Low -15° -10° -30° (1950) -22°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:36 AM with 11:18 of sunlight, then sets at 5:54 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 5:10 PM with 13:08 of moolight, then sets at 6:18 AM

Nepean Weather Report

Eastern Storm Update and Great Lakes Ice

March 3, 2015; 9:52 AM ET

Impressive ice cover on the Great Lakes and a look at the latest storm. more >