• Early AM

    Sep 18

    Lo 4°

    Mostly cloudy

    Sinus Headache Weather
    • Hi
      RealFeel
      17°
    • UV
      3 - Moderate
    • Cloud
      Cover
      81%
    more
  • Today

    Sep 18

    12°Lo -1°

    Clearing and cool

    Neutral weather for sinus headaches
    • Hi
      RealFeel
      12°
    • UV
      4 - Moderate
    • Cloud
      Cover
      51%
    more
  • Fri

    Sep 19

    14°Lo 6°

    Mostly sunny and pleasant

    Neutral weather for sinus headaches
    • Hi
      RealFeel
      16°
    • UV
      4 - Moderate
    • Cloud
      Cover
      20%
  • Sat

    Sep 20

    20°Lo 16°

    A couple of afternoon showers

    At Risk weather for sinus headaches
    • Hi
      RealFeel
      18°
    • UV
      4 - Moderate
    • Cloud
      Cover
      60%
    more
  • Sun

    Sep 21

    22°Lo 9°

    Mostly cloudy, showers around

    Neutral weather for sinus headaches
    • Hi
      RealFeel
      21°
    • UV
      3 - Moderate
    • Cloud
      Cover
      76%
    more
Next Previous
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Forecast
Partly Sunny
Partly Cloudy
Partly Cloudy
Partly Cloudy
Partly Cloudy
Partly Cloudy
Partly Cloudy
Cloudy
Temp (°C) 13° 12° 10°
RealFeel® 12° 10°
Humidity 43% 48% 56% 65% 70% 73% 81% 76%
   
  5pm 6pm 7pm 8pm 9pm 10pm 11pm 12am
Rain
 
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Snow
 
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Ice
 
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  5pm 6pm 7pm 8pm 9pm 10pm 11pm 12am
Wind (km/h) 10 SSE 10 SSE 8 SSE 6 SSE 6 SE 6 SSE 6 SSE 6 SSE
UV Index 1 0 0 0 0 0 0 0
Cloud Cover 42% 54% 66% 30% 35% 40% 46% 51%
Dew Point
Middle Grid line 15 C Middle Grid line 10 C Middle Grid line 5 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; 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 >