• Friday

    Aug 14

    76°Lo 58°

    Clouds and sun

    Watch for hair frizz
    • Wind
      Gust
      14 mph
    • Precip
      25%
    • Hours of Precip
      0
    more
  • Saturday

    Aug 15

    82°Lo 60°

    Cloudy with a stray shower

    Watch for hair frizz
    • Wind
      Gust
      7 mph
    • Precip
      41%
    • Hours of Precip
      1
    more
  • Sunday

    Aug 16

    83°Lo 61°

    Partly sunny

    Advisory for hair frizz
    • Wind
      Gust
      16 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.