• Clouds and sun 23°
    Home Energy Efficiency Current Weather
    • Yesterday
      Temp
      38°
    • Wind
      Chill
      13°
    • Wind
      Speed
      9 mph
  • Today

    Dec 29

    Hi 26°

    Partly sunny and colder

    Very Good for home energy
    • Avg
      RealFeel
      10°
    • Hi
      RealFeel
      18°
    • Wind
      Speed
      9 mph
    Day Details >
  • Tomorrow

    Dec 30

    Hi 18°

    Cold with plenty of sunshine

    Very Good for home energy
    • Avg
      RealFeel
    • Hi
      RealFeel
      12°
    • Wind
      Speed
      7 mph
    Day Details >
  • Wednesday

    Dec 31

    Hi 22°

    Cold with areas of low clouds

    Very Good for home energy
    • Avg
      RealFeel
    • Hi
      RealFeel
      11°
    • Wind
      Speed
      9 mph
    Day Details >
Next

Snow flurries Wednesday evening through Thursday afternoon

12/29 12/30 Now: 10:41am
AM 10-2
  • 10am Intermittent clouds 23° 0%
  • 11am Intermittent clouds 24° 0%
  • 12pm Intermittent clouds 25° 0%
  • 1pm Intermittent clouds 26° 0%
  • 2pm Intermittent clouds 26° 0%
PM 9-2
  • 9pm Mostly clear 17° 0%
  • 10pm Mostly clear 16° 0%
  • 11pm Mostly clear 15° 0%
  • 12am Mostly clear 15° 0%
  • 1am Mostly clear 15° 0%
  • 2am Mostly clear 14° 0%
AM 3-8
  • 3am Mostly clear 13° 0%
  • 4am Mostly clear 12° 0%
  • 5am Mostly clear 9° 0%
  • 6am Mostly clear 7° 0%
  • 7am Clear 6° 0%
  • 8am Sunny 7° 0%
Hourly Forecast >
Dec 29, 2014; 6:02 AM ET
Five-day Weather Forecast for Ottawa, ON
Ottawa, ON Weather Forecast

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Energy Efficient Lightbulbs and S.A.D

Sep 8, 2012; 5:00 AM ET With shorter days and colder nights in the fall and winter, some people develop seasonal affective disorder. When shopping for lightbulbs to treat the 'winter blues,'consider energy-efficient bulbs.

Mon. Home Energy Efficiency

Mon. Degree Days

Mon. UV Index