• Today

    Jul 31

    22°Lo 12°

    A couple of thunderstorms

    Beneficial weather for sinus headaches
    • Hi
      RealFeel
      22°
    • UV
      5 - Moderate
    • Cloud
      Cover
      54%
    more
  • Fri

    Aug 1

    26°Lo 14°

    An afternoon shower or two

    Neutral weather for sinus headaches
    • Hi
      RealFeel
      26°
    • UV
      6 - High
    • Cloud
      Cover
      54%
    more
  • Sat

    Aug 2

    27°Lo 15°

    A p.m. t-storm in spots

    Beneficial weather for sinus headaches
    • Hi
      RealFeel
      31°
    • UV
      6 - High
    • Cloud
      Cover
      70%
  • Sun

    Aug 3

    27°Lo 15°

    Mainly cloudy with a t-storm

    Beneficial weather for sinus headaches
    • Hi
      RealFeel
      30°
    • UV
      6 - High
    • Cloud
      Cover
      76%
    more
  • Mon

    Aug 4

    26°Lo 14°

    A stray afternoon shower

    Neutral weather for sinus headaches
    • Hi
      RealFeel
      30°
    • UV
      6 - High
    • Cloud
      Cover
      40%
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Sat
1am
2am 3am 4am 5am 6am 7am 8am
  1am 2am 3am 4am 5am 6am 7am 8am
Forecast
Cloudy
Cloudy
Cloudy
Cloudy
Cloudy
Partly Cloudy
Partly Cloudy
Partly Cloudy
Temp (°C) 17° 16° 16° 16° 14° 16° 17° 19°
RealFeel® 16° 16° 15° 15° 13° 15° 16° 18°
Humidity 79% 79% 79% 78% 86% 84% 84% 80%
   
  1am 2am 3am 4am 5am 6am 7am 8am
Rain
 
23%
 
7%
 
7%
 
7%
 
7%
 
7%
 
7%
 
7%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  1am 2am 3am 4am 5am 6am 7am 8am
Wind (km/h) 5 SSW 5 SSW 3 SSW 3 S 3 SE 3 SE 3 SE 5 ESE
UV Index 0 0 0 0 0 0 0 1
Cloud Cover 70% 70% 70% 70% 70% 70% 70% 70%
Dew Point 14° 13° 12° 12° 11° 13° 14° 15°
Middle Grid line 20 C Middle Grid line 15 C Middle Grid line 10 C

Temperature History - Aug 2

more Historical Weather Data >
  Today Normal Record 8/2/2013
High 27° 26° 34° (2007) 25°
Low 15° 15° (1947) 14°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:48 AM with 14:42 of sunlight, then sets at 8:30 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 12:28 PM with 10:56 of moolight, then sets at 11:24 PM

Top Story

Ottawa Weather Report

Smoke From Canada Wildfires to Impact Chicago, NYC

July 31, 2014; 5:02 AM ET

Ongoing wildfires in Ontario and western Canada will impact areas across the Great Lakes to the Northeast through the weekend. more >