• Early AM

    Sep 18

    Lo 4°

    Mostly cloudy

    Dust & Dander Weather
    • Precip
      54%
    • Wind
      Speed
      15 k/h
    • Cloud
      Cover
      81%
    more
  • Today

    Sep 18

    12°Lo -1°

    Clearing and cool

    Moderate indoor dust & dander levels
    • Precip
      0%
    • Wind
      Speed
      13 k/h
    • Cloud
      Cover
      51%
  • Fri

    Sep 19

    14°Lo 6°

    Mostly sunny and pleasant

    High indoor dust & dander levels
    • Precip
      0%
    • Wind
      Speed
      10 k/h
    • Cloud
      Cover
      20%
    more
  • Sat

    Sep 20

    20°Lo 16°

    A couple of afternoon showers

    Moderate indoor dust & dander levels
    • Precip
      60%
    • Wind
      Speed
      19 k/h
    • Cloud
      Cover
      60%
    more
  • Sun

    Sep 21

    22°Lo 9°

    Mostly cloudy, showers around

    Low indoor dust & dander levels
    • Precip
      67%
    • Wind
      Speed
      16 k/h
    • Cloud
      Cover
      76%
    more
Next Previous
Mostly sunny 12° Lo 9° RealFeel® 12° / 5°

N

E

S

W

  • Precipitation: 0%
  • Rain: 0 mm
  • Snow: 0 CM
  • Humidity: 49%
  • Cloud Cover: 11%
  • Dew Point: 0° C
  • Visibility: 10 km
13 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; 3:06 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 >