• Friday

    Sep 4

    64°Lo 47°

    Increasing clouds

    Watch for hair frizz
    • Wind
      Gust
      8 mph
    • Precip
      16%
    • Hours of Precip
      0.5
    more
  • Saturday

    Sep 5

    64°Lo 47°

    A blend of sun and clouds

    Watch for hair frizz
    • Wind
      Gust
      8 mph
    • Precip
      25%
    • Hours of Precip
      5.5
    more
  • Sunday

    Sep 6

    62°Lo 55°

    Rain

    Advisory for hair frizz
    • Wind
      Gust
      7 mph
    • Precip
      74%
    • Hours of Precip
      9
    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.