• Early AM

    Jul 31

    Lo 12°

    A shower or thunderstorm

    Migraine Headache Weather
    • Hi
      RealFeel
      21°
    • UV
      5 - Moderate
    • Cloud
      Cover
      61%
    more
  • Today

    Jul 31

    22°Lo 12°

    A couple of thunderstorms

    Beneficial weather for migraines
    • Hi
      RealFeel
      22°
    • UV
      5 - Moderate
    • Cloud
      Cover
      69%
    more
  • Fri

    Aug 1

    26°Lo 14°

    An afternoon shower or two

    Beneficial weather for migraines
    • Hi
      RealFeel
      27°
    • UV
      6 - High
    • Cloud
      Cover
      64%
    more
  • Sat

    Aug 2

    25°Lo 14°

    An afternoon thunderstorm

    Beneficial weather for migraines
    • Hi
      RealFeel
      28°
    • UV
      6 - High
    • Cloud
      Cover
      78%
  • Sun

    Aug 3

    25°Lo 14°

    Rather cloudy with a t-storm

    Beneficial weather for migraines
    • Hi
      RealFeel
      30°
    • UV
      6 - High
    • Cloud
      Cover
      76%
    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
Clear
Clear
Mostly Clear
Mostly Clear
Mostly Clear
Mostly Sunny
Partly Sunny
Mostly Cloudy
Temp (°C) 18° 17° 16° 16° 15° 15° 17° 18°
RealFeel® 17° 16° 16° 15° 15° 14° 17° 19°
Humidity 79% 80% 81% 81% 80% 94% 88% 85%
   
  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) 6 SW 6 SW 5 SW 5 SW 3 NW 3 NW 2 NNW 2 ESE
UV Index 0 0 0 0 0 0 0 1
Cloud Cover 1% 2% 11% 19% 28% 29% 38% 76%
Dew Point 14° 14° 13° 13° 12° 14° 15° 16°
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 25° 26° 34° (2007) 25°
Low 14° 15° (1947) 14°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:47 AM with 14:44 of sunlight, then sets at 8:31 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 11:27 AM with 11:27 of moolight, then sets at 10:54 PM

Top Story

Ottawa Weather Report

Smoke From Canada Wildfires to Impact Chicago, NYC

July 30, 2014; 10:32 PM ET

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