• Tonight

    Sep 18

    Lo -1°

    Clear

    Hair Frizz Weather
    • Wind
      Gust
      32 k/h
    • Precip
      0%
    • Hours of Precip
      0
    more
  • Fri

    Sep 19

    14°Lo 4°

    Mostly sunny and cool

    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
  • Sun

    Sep 21

    20°Lo 7°

    Mostly cloudy, showers around

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

    Sep 22

    13°Lo 5°

    Partly sunny and cooler

    Watch for hair frizz
    • Wind
      Gust
      23 k/h
    • Precip
      3%
    • Hours of Precip
      0
    more
Next Previous
The chance for a couple of showers 19° Lo 18° RealFeel® 16° / 15°

N

E

S

W

  • Precipitation: 49%
  • Rain: 0 mm
  • Snow: 0 CM
  • Humidity: 87%
  • Cloud Cover: 95%
  • Dew Point: 16° C
  • Visibility: 10 km
16 km/h

Temperature History - Sep 20

more Historical Weather Data >
  Today Normal Record 9/20/2013
High 21° 18° 31° (1983) 26°
Low 16° (1979)

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:47 AM with 12:18 of sunlight, then sets at 7:05 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 3:17 AM with 13:56 of moolight, then sets at 5:13 PM

Top Story

Ottawa Weather Report

Cold Snap, Widespread Frost Looms for Northeast

September 18, 2014; 9:00 PM ET

The chilliest air of the season so far will settle over much of the Northeast into Friday and will bring frost to a large area. more >