• Tonight

    Jul 11

    Lo 13°

    Mainly clear

    Sinus Headache Weather
    • Hi
      RealFeel
      27°
    • UV
      7 - High
    • Cloud
      Cover
      33%
  • Sat

    Jul 12

    29°Lo 16°

    Partly sunny

    Neutral weather for sinus headaches
    • Hi
      RealFeel
      30°
    • UV
      7 - High
    • Cloud
      Cover
      29%
    more
  • Sun

    Jul 13

    26°Lo 18°

    Rain and a thunderstorm

    At Risk weather for sinus headaches
    • Hi
      RealFeel
      24°
    • UV
      4 - Moderate
    • Cloud
      Cover
      76%
    more
  • Mon

    Jul 14

    27°Lo 15°

    A shower or t-storm in spots

    Neutral weather for sinus headaches
    • Hi
      RealFeel
      32°
    • UV
      6 - High
    • Cloud
      Cover
      74%
    more
  • Tue

    Jul 15

    24°Lo 13°

    A thunderstorm possible

    At Risk weather for sinus headaches
    • Hi
      RealFeel
      23°
    • UV
      5 - Moderate
    • Cloud
      Cover
      70%
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Fri
6pm
7pm 8pm 9pm 10pm 11pm Sat
12am
1am
  6pm 7pm 8pm 9pm 10pm 11pm 12am 1am
Forecast
Mostly Sunny
Mostly Sunny
Mostly Sunny
Mostly Clear
Mostly Clear
Mostly Clear
Mostly Clear
Mostly Clear
Temp (°C) 25° 24° 23° 21° 19° 18° 18° 17°
RealFeel® 24° 22° 21° 19° 17° 17° 16° 15°
Humidity 45% 51% 60% 68% 72% 74% 76% 80%
   
  6pm 7pm 8pm 9pm 10pm 11pm 12am 1am
Rain
 
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0%
Snow
 
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Ice
 
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  6pm 7pm 8pm 9pm 10pm 11pm 12am 1am
Wind (km/h) 11 WSW 11 WSW 10 WSW 8 WSW 8 SW 8 SW 8 SSW 8 SSW
UV Index 2 1 0 0 0 0 0 0
Cloud Cover 26% 20% 18% 14% 14% 12% 20% 25%
Dew Point 13° 14° 15° 15° 14° 14° 13° 13°
Middle Grid line 30 C Middle Grid line 25 C Middle Grid line 20 C Middle Grid line 15 C

Temperature History - Jul 11

more Historical Weather Data >
  Today Normal Record 7/11/2013
High 26° 26° 33° (2005) 27°
Low 13° 15° (1945) 15°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:25 AM with 15:26 of sunlight, then sets at 8:51 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 7:54 PM with 9:54 of moolight, then sets at 5:48 AM

Top Story

Ottawa Weather Report

Long-Range Pattern Update

July 11, 2014; 11:05 AM ET

Pattern of extremes into next week and a look at August. more >