• Tonight

    Sep 1

    Lo 17°

    Clear and mild

    Driving Weather
    • Precip
      3%
    • Hours of Precip
      0
    • Rain
      0 mm
  • Wed

    Sep 2

    30°Lo 19°

    Partly sunny, warm and humid

    Good for driving
    • Precip
      13%
    • Hours of Precip
      0.5
    • Rain
      1 mm
    more
  • Thu

    Sep 3

    28°Lo 12°

    Mostly sunny and less humid

    Excellent for driving
    • Precip
      8%
    • Hours of Precip
      0
    • Rain
      0 mm
    more
  • Fri

    Sep 4

    24°Lo 9°

    Sunny and pleasant

    Excellent for driving
    • Precip
      0%
    • Hours of Precip
      0
    • Rain
      0 mm
    more
  • Sat

    Sep 5

    26°Lo 13°

    Mostly sunny and nice

    Excellent for driving
    • Precip
      0%
    • Hours of Precip
      0
    • Rain
      0 mm
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Tue
6pm
7pm 8pm 9pm 10pm 11pm Wed
12am
1am
  6pm 7pm 8pm 9pm 10pm 11pm 12am 1am
Forecast
Partly Sunny
Partly Sunny
Mostly Clear
Mostly Clear
Clear
Clear
Clear
Clear
Temp (°C) 28° 26° 25° 23° 22° 21° 21° 20°
RealFeel® 28° 26° 25° 23° 23° 21° 21° 20°
Humidity 54% 63% 74% 82% 84% 86% 90% 92%
   
  6pm 7pm 8pm 9pm 10pm 11pm 12am 1am
Rain
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
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0%
Ice
 
0%
 
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  6pm 7pm 8pm 9pm 10pm 11pm 12am 1am
Wind (km/h) 13 SSW 13 SSW 9 SSW 9 SSW 9 SSW 9 SSW 7 SSW 7 SW
UV Index 1 0 0 0 0 0 0 0
Cloud Cover 44% 35% 27% 18% 9% 0% 0% 0%
Dew Point 18° 19° 20° 20° 19° 19° 19° 19°
Middle Grid line 30 C Middle Grid line 25 C Middle Grid line 20 C Middle Grid line 15 C

Temperature History - Sep 1

more Historical Weather Data >
  Today Normal Record 9/1/2014
High 29° 22° 34° (1953) 26°
Low 17° 11° (1967) 17°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:24 AM with 13:17 of sunlight, then sets at 7:41 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 9:26 PM with 13:42 of moolight, then sets at 11:08 AM

Nepean Weather Report

Oppressive Heat Adds Stress to Physical, Mental Health of Homeless People From US to Canada This Summer

September 1, 2015; 9:04 PM ET

Hot weather this summer from the central United States into Canada has put extra stress on some of the most vulnerable residents: the homeless. more >