• Early AM

    Sep 19

    Lo -1°

    Mainly clear

    Dust & Dander Weather
    • Precip
      0%
    • Wind
      Speed
      8 k/h
    • Cloud
      Cover
      8%
    more
  • Today

    Sep 19

    14°Lo 4°

    Mostly sunny and cool

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

    20°Lo 7°

    Mostly cloudy, showers around

    Low indoor dust & dander levels
    • Precip
      67%
    • Wind
      Speed
      16 k/h
    • Cloud
      Cover
      76%
    more
  • Mon

    Sep 22

    13°Lo 5°

    Partly sunny and cooler

    Low indoor dust & dander levels
    • Precip
      3%
    • Wind
      Speed
      13 k/h
    • Cloud
      Cover
      49%
    more
Next Previous
Clear 3° RealFeel® 1°

N

E

S

W

  • Humidity: 75%
  • Pressure: 1026.40 mb
  • UV Index: 0
  • Cloud Cover: 0%
  • Ceiling: 12128 m
  • Dew Point: -1° C
  • Visibility: 24 km
9 km/h

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:46 AM with 12:21 of sunlight, then sets at 7:07 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 2:19 AM with 14:23 of moolight, then sets at 4:42 PM

Temperature Summary - 1:39 AM

  Temp (°C)
Now
Yesterday -4°
RealFeel®
RealFeel® Shade
Wind Chill
Dew Point -1°
  Hi / Lo
Previous 6 Hours
 
Previous 12 Hours 11°
 
Previous 24 Hours 11°
 

Temperature History - Sep 19

more Historical Weather Data >
  Today Normal Record 9/19/2013
High 14° 19° 31° (1946) 25°
Low (1943)

Precipitation Summary - 1:39 AM

  Amount (mm)
Previous 1 Hour 0
Previous 3 Hours 0
Previous 6 Hours 0
Previous 9 Hours 0
Previous 12 Hours 0
Previous 18 Hours 0
Previous 24 Hours 1
Top Story

Ottawa Weather Report

Cold Snap, Widespread Frost Looms for Northeast

September 19, 2014; 12:07 AM 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 >