• Friday

    May 15

    86°Lo 50°

    Partly sunny and very warm

    Watch for hair frizz
    • Wind
      Gust
      21 mph
    • Precip
      13%
    • Hours of Precip
      0
    more
  • Saturday

    May 16

    82°Lo 55°

    Cloudy and warm

    Watch for hair frizz
    • Wind
      Gust
      14 mph
    • Precip
      0%
    • Hours of Precip
      0
    more
  • Sunday

    May 17

    83°Lo 61°

    Clouds break for sun; warm

    Watch for hair frizz
    • Wind
      Gust
      17 mph
    • Precip
      5%
    • Hours of Precip
      0
    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.