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Personalized Forecasts

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    • Tonight

      Sep 30

      10° Lo
      Mostly cloudy
      • Dust & Dander
      • Weather
      • Precip: 55%
      • Wind Speed: 17 k/h
      • Cloud Cover: 82%
      More
    • Sat

      Oct 1

      17° /11°C
      Cloudy
      • Low
      • indoor dust & dander levels
      • Precip: 25%
      • Wind Speed: 13 k/h
      • Cloud Cover: 97%
    • Sun

      Oct 2

      16° /11°
      Cloudy with a shower or two
      • Low
      • indoor dust & dander levels
      • Precip: 55%
      • Wind Speed: 9 k/h
      • Cloud Cover: 96%
      More
    • Mon

      Oct 3

      19° /8°
      Cloudy with a stray shower
      • Low
      • indoor dust & dander levels
      • Precip: 42%
      • Wind Speed: 6 k/h
      • Cloud Cover: 96%
      More
    • Tue

      Oct 4

      19° /11°
      Some sun, then turning cloudy
      • Low
      • indoor dust & dander levels
      • Precip: 9%
      • Wind Speed: 6 k/h
      • Cloud Cover: 81%
      More

    Day

    17°Hi RealFeel® 17° Precipitation 25%
    Cloudy
    • ENE 13 km/h
    • Gusts: 18 km/h
    • Max UV Index: 1 (Low)
    • Thunderstorms: 2%
    • Precipitation: 0 mm
    • Rain: 0 mm
    • Snow: 0 CM
    • Ice: 0 mm
    • Hours of Precipitation: 0 hrs
    • Hours of Rain: 0 hrs

    Night

    11°Lo RealFeel® 7° Precipitation 88%
    Overcast with showers
    • ENE 11 km/h
    • Gusts: 15 km/h
    • Max UV Index: N/A
    • Thunderstorms: 29%
    • Precipitation: 11 mm
    • Rain: 11 mm
    • Snow: 0 CM
    • Ice: 0 mm
    • Hours of Precipitation: 6 hrs
    • Hours of Rain: 6 hrs

    Temperature History

    more Historical Weather Data >
      Today Normal Record 10/1/2015
    High 17° 16° 26° (2002) 15°
    Low 11° -4° (1947)

    Sunrise/Sunset

    • Sunrise: 7:02 AM
    • Sunset: 6:42 PM
    • Duration: 11:40 hr

    Moonrise/Moonset

    • Moonrise: 7:29 AM
    • Moonset: 7:16 PM
    • Duration: 11:47 hr
    Astronomy

    Nepean Weather Report

    Weekly update signals a mild October for a majority of Canada

    September 30, 2016; 12:09 PM ET

    Latest clues to the long range into October. More >