• Friday

    Sep 11

    69°Lo 48°

    Considerable cloudiness

    Warning for hair frizz
    • Wind
      Gust
      20 mph
    • Precip
      25%
    • Hours of Precip
      0
    more
  • Saturday

    Sep 12

    72°Lo 49°

    Times of clouds and sun

    Watch for hair frizz
    • Wind
      Gust
      13 mph
    • Precip
      25%
    • Hours of Precip
      0.5
    more
  • Sunday

    Sep 13

    73°Lo 50°

    Times of clouds and sun

    Advisory for hair frizz
    • Wind
      Gust
      17 mph
    • Precip
      1%
    • 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.