• Tonight

    Aug 20

    Lo 17°

    Cloudy with a shower

    Running Weather
    • Precip
      35%
    • Hours of Precip
      1.5
    • Wind
      Gust
      16 k/h
    more
  • Thu

    Aug 21

    21°Lo 15°

    Cloudy and humid with showers

    Good for running
    • Precip
      65%
    • Hours of Precip
      4
    • Wind
      Gust
      19 k/h
  • Fri

    Aug 22

    24°Lo 14°

    Clouds and sun

    Very Good for running
    • Precip
      25%
    • Hours of Precip
      0
    • Wind
      Gust
      18 k/h
    more
  • Sat

    Aug 23

    25°Lo 13°

    Periods of sun with a shower

    Very Good for running
    • Precip
      40%
    • Hours of Precip
      1
    • Wind
      Gust
      13 k/h
    more
  • Sun

    Aug 24

    24°Lo 16°

    Intervals of clouds and sun

    Excellent for running
    • Precip
      13%
    • Hours of Precip
      0
    • Wind
      Gust
      11 k/h
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Thu
12am
1am 2am 3am 4am 5am 6am 7am
  12am 1am 2am 3am 4am 5am 6am 7am
Forecast
Cloudy
Cloudy
Cloudy
Showers
Cloudy
Cloudy
Cloudy
Cloudy
Temp (°C) 19° 19° 18° 18° 18° 17° 17° 17°
RealFeel® 17° 17° 17° 15° 16° 16° 15° 15°
Humidity 87% 88% 89% 92% 93% 93% 93% 93%
   
  12am 1am 2am 3am 4am 5am 6am 7am
Rain
 
15%
 
19%
 
47%
 
51%
 
47%
 
34%
 
34%
 
37%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  12am 1am 2am 3am 4am 5am 6am 7am
Wind (km/h) 11 E 10 E 10 E 10 E 10 E 11 ENE 11 ENE 10 ENE
UV Index 0 0 0 0 0 0 0 0
Cloud Cover 95% 95% 95% 95% 95% 96% 95% 95%
Dew Point 17° 17° 16° 16° 17° 16° 16° 16°
Middle Grid line 20 C Middle Grid line 15 C

Temperature History - Aug 21

more Historical Weather Data >
  Today Normal Record 8/21/2013
High 21° 24° 33° (1955) 31°
Low 15° 13° (1940) 17°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:11 AM with 13:50 of sunlight, then sets at 8:01 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 2:35 AM with 14:57 of moolight, then sets at 5:32 PM

Top Story

Nepean Weather Report

Weather Pattern Highlights Into Next Week

August 20, 2014; 10:27 AM ET

A look at the weather pattern across Canada into next week. more >