• Tonight

    Apr 29

    Lo -1°

    Partly cloudy

    Sinus Headache Weather
    • Hi
      RealFeel
      15°
    • UV
      5 - High
    • Cloud
      Cover
      52%
    more
  • Sat

    Apr 30

    15°Lo 2°

    Mostly sunny

    Beneficial weather for sinus headaches
    • Hi
      RealFeel
      17°
    • UV
      5 - High
    • Cloud
      Cover
      12%
  • Sun

    May 1

    12°Lo 4°

    Cooler; a little morning rain

    Neutral weather for sinus headaches
    • Hi
      RealFeel
      10°
    • UV
      2 - Low
    • Cloud
      Cover
      94%
    more
  • Mon

    May 2

    14°Lo 4°

    Mostly cloudy, a little rain

    Neutral weather for sinus headaches
    • Hi
      RealFeel
      13°
    • UV
      2 - Low
    • Cloud
      Cover
      93%
    more
  • Tue

    May 3

    17°Lo 6°

    Partly sunny and warmer

    Neutral weather for sinus headaches
    • Hi
      RealFeel
      18°
    • UV
      4 - Moderate
    • Cloud
      Cover
      58%
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Sat
12am
1am 2am 3am 4am 5am 6am 7am
  12am 1am 2am 3am 4am 5am 6am 7am
Forecast
Mostly Clear
Mostly Clear
Clear
Mostly Clear
Mostly Clear
Mostly Clear
Mostly Sunny
Sunny
Temp (°C) -1°
RealFeel® -2° -2° -3° -2°
Humidity 43% 48% 56% 59% 66% 70% 65% 59%
   
  12am 1am 2am 3am 4am 5am 6am 7am
Rain
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
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0%
Ice
 
0%
 
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  12am 1am 2am 3am 4am 5am 6am 7am
Wind (km/h) 11 N 11 NNE 11 NNE 13 NNE 11 NE 11 NE 9 NE 11 ENE
UV Index 0 0 0 0 0 0 0 0
Cloud Cover 24% 15% 8% 16% 19% 23% 15% 7%
Dew Point -7° -6° -6° -6° -5° -6° -5° -5°
Middle Grid line 10 C Middle Grid line 5 C Middle Grid line 0 C

Temperature History - Apr 30

more Historical Weather Data >
  Today Normal Record 4/30/2015
High 15° 15° 28° (1970) 19°
Low -5° (1978)

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:51 AM with 14:18 of sunlight, then sets at 8:09 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 2:21 AM with 10:28 of moolight, then sets at 12:49 PM

Ottawa Weather Report

Weekly long-range update

April 29, 2016; 8:31 AM ET

Warmth in the West next week while cool hangs out in the East, but it won't last. more >