• Today

    Sep 18

    12°Lo -1°

    Clearing and cool

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

    Sep 19

    14°Lo 6°

    Sunshine; nice in the p.m.

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

    Sep 20

    20°Lo 16°

    A couple of afternoon showers

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

    Sep 21

    22°Lo 9°

    Mostly cloudy, showers around

    Advisory for hair frizz
    • Wind
      Gust
      39 k/h
    • Precip
      67%
    • Hours of Precip
      2
    more
  • Mon

    Sep 22

    14°Lo 6°

    Partly sunny and cooler

    Watch for hair frizz
    • Wind
      Gust
      23 k/h
    • Precip
      3%
    • Hours of Precip
      0
    more
Next Previous
Clear 7° Lo 3° RealFeel® 4° / 1°

N

E

S

W

  • Precipitation: 0%
  • Rain: 0 mm
  • Snow: 0 CM
  • Humidity: 58%
  • Cloud Cover: 10%
  • Dew Point: -3° C
  • Visibility: 10 km
10 km/h

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

Ottawa Weather Report

Long Winter Nights, Dry Air Increase Chance to View Aurora

September 18, 2014; 5:16 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 >