• Today

    Sep 18

    12°Lo 0°

    Turning sunny and cooler

    Poor for skiing
    • Rain
      0 mm
    • Precip
      0%
    • Hours of Precip
      0
  • Fri

    Sep 19

    14°Lo 5°

    Mostly sunny

    Poor for skiing
    • Rain
      0 mm
    • Precip
      0%
    • Hours of Precip
      0
    more
  • Sat

    Sep 20

    21°Lo 15°

    Spotty afternoon showers

    Poor for skiing
    • Rain
      1 mm
    • Precip
      60%
    • Hours of Precip
      1
    more
  • Sun

    Sep 21

    22°Lo 8°

    Mostly cloudy, showers around

    Poor for skiing
    • Rain
      5 mm
    • Precip
      67%
    • Hours of Precip
      2
    more
  • Mon

    Sep 22

    15°Lo 6°

    Cooler with periods of sun

    Poor for skiing
    • Rain
      0 mm
    • Precip
      3%
    • Hours of Precip
      0
    more
Next Previous
Hi 12° RealFeel® 12° Precipitation 0%

Day

N

E

S

W

  • NNW 13 km/h
  • Gusts: 19 km/h

Cooler with some clouds, then sunshine

  • Max UV Index: 4 (Moderate)
  • Thunderstorms: 0%
  • Precipitation: 0 mm
  • Rain: 0 mm
  • Snow: 0 CM
  • Ice: 0 mm
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs
Lo 0° RealFeel® -1° Precipitation 0%

Night

N

E

S

W

  • N 6 km/h
  • Gusts: 14 km/h

Clear

  • Max UV Index: N/A
  • Thunderstorms: 0%
  • 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 18

more Historical Weather Data >
  Today Normal Record 9/18/2013
High 12° 19° 31° (1942) 22°
Low -1° (1943)

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:45 AM with 12:24 of sunlight, then sets at 7:09 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 1:24 AM with 14:44 of moolight, then sets at 4:08 PM

Top Story

Nepean Weather Report

Long Winter Nights, Dry Air Increase Chance to View Aurora

September 18, 2014; 8:05 AM ET

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