• Early AM

    Sep 18

    Lo 4°

    Occasional rain and drizzle

    Dust & Dander Weather
    • Precip
      63%
    • Wind
      Speed
      15 k/h
    • Cloud
      Cover
      92%
    more
  • Today

    Sep 18

    12°Lo -1°

    Clearing and cool

    Moderate indoor dust & dander levels
    • Precip
      0%
    • Wind
      Speed
      13 k/h
    • Cloud
      Cover
      60%
    more
  • Fri

    Sep 19

    14°Lo 6°

    Mostly sunny and pleasant

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

    Sep 20

    20°Lo 14°

    Showers around in the p.m.

    Moderate indoor dust & dander levels
    • Precip
      60%
    • Wind
      Speed
      15 k/h
    • Cloud
      Cover
      76%
    more
  • Sun

    Sep 21

    21°Lo 8°

    Mostly cloudy, showers around

    Low indoor dust & dander levels
    • Precip
      60%
    • Wind
      Speed
      18 k/h
    • Cloud
      Cover
      76%
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Fri
9am
10am 11am 12pm 1pm 2pm 3pm 4pm
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Forecast
Mostly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Temp (°C) 10° 12° 13° 13° 14° 13°
RealFeel® 10° 12° 15° 16° 16° 16° 13°
Humidity 55% 48% 44% 40% 39% 38% 37% 42%
   
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Rain
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Wind (km/h) 5 ESE 6 ESE 8 SE 8 SE 8 SSE 8 SSE 10 S 10 S
UV Index 1 2 3 4 4 4 3 2
Cloud Cover 15% 19% 23% 20% 18% 15% 17% 19%
Dew Point -3° -2° -2° -2° -1° -1°
Middle Grid line 15 C Middle Grid line 10 C Middle Grid line 5 C Middle Grid line 0 C

Temperature History - Sep 19

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

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

Top Story

Ottawa Weather Report

Long Winter Nights, Dry Air Increase Chance to View Aurora

September 18, 2014; 1:36 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 >