• Friday

    Aug 1

    90°Lo 58°

    Mostly sunny and very warm

    Frizz Forecast
    Weather
    • Wind
      Gust
      7 mph
    • Precip
      5%
    • Hours of Precip
      0
    more
  • Saturday

    Aug 2

    92°Lo 57°

    Partly sunny and very warm

    Frizz Forecast
    Weather
    • Wind
      Gust
      18 mph
    • Precip
      5%
    • Hours of Precip
      0
    more
  • Sunday

    Aug 3

    82°Lo 52°

    Cloudy with a brief shower

    Frizz Forecast
    Weather
    • Wind
      Gust
      8 mph
    • Precip
      41%
    • Hours of Precip
      2.5
    more
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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.