• Friday

    May 15

    83°Lo 70°

    Clouds and sun

    Warning for hair frizz
    • Wind
      Gust
      18 mph
    • Precip
      2%
    • Hours of Precip
      0
    more
  • Saturday

    May 16

    83°Lo 71°

    Partly sunny with a shower

    Warning for hair frizz
    • Wind
      Gust
      23 mph
    • Precip
      41%
    • Hours of Precip
      1
    more
  • Sunday

    May 17

    85°Lo 71°

    Mostly sunny

    Warning for hair frizz
    • Wind
      Gust
      24 mph
    • Precip
      4%
    • Hours of Precip
      1
    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.