• Friday

    Jul 17

    85°Lo 60°

    A t-storm possible; colder

    Warning for hair frizz
    • Wind
      Gust
      10 mph
    • Precip
      30%
    • Hours of Precip
      0
    more
  • Saturday

    Jul 18

    85°Lo 65°

    Humid with partial sunshine

    Warning for hair frizz
    • Wind
      Gust
      9 mph
    • Precip
      25%
    • Hours of Precip
      0
    more
  • Sunday

    Jul 19

    84°Lo 66°

    Humid with clouds and sun

    Warning for hair frizz
    • Wind
      Gust
      8 mph
    • Precip
      25%
    • 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.