• Today

    Sep 17

    18°Lo 5°

    A couple of afternoon showers

    Poor for stargazing
    • Cloud
      Cover
      77%
    • Precip
      59%
    • Hours of Precip
      3
    more
  • Thu

    Sep 18

    12°Lo -1°

    Mostly sunny and cooler

    Very Good for stargazing
    • Cloud
      Cover
      1%
    • Precip
      0%
    • Hours of Precip
      0
  • Fri

    Sep 19

    15°Lo 6°

    Mostly sunny and pleasant

    Fair for stargazing
    • Cloud
      Cover
      59%
    • Precip
      25%
    • Hours of Precip
      0
    more
  • Sat

    Sep 20

    19°Lo 16°

    Showers around in the p.m.

    Poor for stargazing
    • Cloud
      Cover
      88%
    • Precip
      64%
    • Hours of Precip
      3
    more
  • Sun

    Sep 21

    21°Lo 8°

    A couple of showers possible

    Very Good for stargazing
    • Cloud
      Cover
      16%
    • Precip
      5%
    • Hours of Precip
      0
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Thu
2pm
3pm 4pm 5pm 6pm 7pm 8pm 9pm
  2pm 3pm 4pm 5pm 6pm 7pm 8pm 9pm
Forecast
Mostly Sunny
Mostly Sunny
Sunny
Sunny
Sunny
Sunny
Clear
Clear
Temp (°C) 11° 12° 11° 11° 10°
RealFeel® 11° 12° 10°
Humidity 47% 42% 45% 47% 49% 53% 58% 61%
   
  2pm 3pm 4pm 5pm 6pm 7pm 8pm 9pm
Rain
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Snow
 
0%
 
0%
 
0%
 
0%
 
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Ice
 
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  2pm 3pm 4pm 5pm 6pm 7pm 8pm 9pm
Wind (km/h) 14 NNW 13 NNW 13 NNW 13 NNW 11 NNW 11 NNW 8 NNW 8 N
UV Index 4 3 2 1 0 0 0 0
Cloud Cover 18% 12% 6% 0% 0% 0% 0% 0%
Dew Point -1° -1° -1° -1°
Middle Grid line 15 C Middle Grid line 10 C Middle Grid line 5 C

Temperature History - Sep 18

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

Solunar Information for Ottawa, Canada

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

Wed, Sep 24
New
Wed, Oct 1
First
Wed, Oct 8
Full
Wed, Oct 15
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Top Story

Ottawa Weather Report

Widespread Frost, Killing Freeze to Seize Northeast Late This Week

September 17, 2014; 4:13 AM ET

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