• Partly sunny 83°
    Hair Frizz Current Weather
    • Relative Humidity
      57%
    • Wind
      Speed
      11 mph
    • Dew
      Point
      67°
  • Today

    Jul 30

    Hi 86°

    Clearing and not as hot

    Watch for hair frizz
    • Wind
      Gust
      20 mph
    • Precip
      55%
    • Hours of Precip
      2
    Day Details >
  • Tomorrow

    Jul 31

    Hi 79°

    Partly sunny

    Watch for hair frizz
    • Wind
      Gust
      16 mph
    • Precip
      25%
    • Hours of Precip
      0.5
    Day Details >
  • Saturday

    Aug 1

    Hi 77°

    Partly sunny with a t-storm

    Advisory for hair frizz
    • Wind
      Gust
      15 mph
    • Precip
      58%
    • Hours of Precip
      2.5
    Day Details >
Next

Pleasant Sunday

7/30 7/31 Now: 5:02pm
PM 5-9
  • 5pm Mostly sunny 85° 20%
  • 6pm Mostly sunny 82° 20%
  • 7pm Mostly sunny 79° 13%
  • 8pm Mostly sunny 75° 0%
  • 9pm Mostly clear 73° 0%
AM 4-9
  • 4am Mostly clear 63° 1%
  • 5am Mostly clear 62° 1%
  • 6am Mostly sunny 63° 1%
  • 7am Mostly sunny 64° 1%
  • 8am Mostly sunny 67° 2%
  • 9am Mostly sunny 69° 2%
AM 10-3
  • 10am Mostly sunny 71° 3%
  • 11am Mostly sunny 74° 4%
  • 12pm Partly sunny 75° 4%
  • 1pm Intermittent clouds 77° 5%
  • 2pm Intermittent clouds 77° 6%
  • 3pm Intermittent clouds 78° 6%
Hourly Forecast >
Jul 30, 2015; 12:17 PM ET
Five-day Weather Forecast for Ottawa, ON
Ottawa, ON Weather Forecast

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The History Behind the UV Index

Nov 12, 2012; 5:00 AM ET The UV index has been around since the early 1990s. It was created to help you plan outdoor activities in hopes to limit overexposure to the sun. Jeannette Calle has more.

Thu. Hair Frizz

Thu. Wind Maps

Thu. UV Index