• Today

    Sep 17

    18°Lo 5°

    A couple of afternoon showers

    Watch for hair frizz
    • Wind
      Gust
      21 k/h
    • Precip
      60%
    • Hours of Precip
      3
    more
  • Thu

    Sep 18

    12°Lo 0°

    Turning sunny; cooler

    Watch for hair frizz
    • Wind
      Gust
      21 k/h
    • Precip
      0%
    • Hours of Precip
      0
    more
  • Fri

    Sep 19

    14°Lo 6°

    Mostly sunny and pleasant

    Unlikely for hair frizz
    • Wind
      Gust
      16 k/h
    • Precip
      0%
    • Hours of Precip
      0
    more
  • Sat

    Sep 20

    20°Lo 14°

    A couple of afternoon showers

    Advisory for hair frizz
    • Wind
      Gust
      34 k/h
    • Precip
      60%
    • Hours of Precip
      3
    more
  • Sun

    Sep 21

    22°Lo 10°

    Mostly cloudy, showers around

    Advisory for hair frizz
    • Wind
      Gust
      39 k/h
    • Precip
      60%
    • Hours of Precip
      2
Next Previous
Hi 22° RealFeel® 22° Precipitation 60%

Day

N

E

S

W

  • SW 16 km/h
  • Gusts: 39 km/h

Mostly cloudy with a couple of showers

  • Max UV Index: 3 (Moderate)
  • Thunderstorms: 29%
  • Precipitation: 2 mm
  • Rain: 2 mm
  • Snow: 0 CM
  • Ice: 0 mm
  • Hours of Precipitation: 2 hrs
  • Hours of Rain: 2 hrs
Lo 10° RealFeel® 8° Precipitation 6%

Night

N

E

S

W

  • W 10 km/h
  • Gusts: 29 km/h

Mainly clear

  • Max UV Index: N/A
  • Thunderstorms: 29%
  • Precipitation: 0 mm
  • Rain: 0 mm
  • Snow: 0 CM
  • Ice: 0 mm
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs

Temperature History - Sep 21

more Historical Weather Data >
  Today Normal Record 9/21/2013
High 22° 18° 29° (1965) 20°
Low 10° -2° (1956) 12°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:48 AM with 12:15 of sunlight, then sets at 7:03 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 4:15 AM with 13:27 of moolight, then sets at 5:42 PM

Top Story

Nepean Weather Report

Long Winter Nights, Dry Air Increase Chance to View Aurora

September 17, 2014; 1:10 PM ET

Igniting across Northern skies, ghostly rivers of light dance overhead each year, emitting vibrant shades of green, blue, pink, red and violet. more >