• Friday

    May 2

    62°Lo 46°

    Clouds and sun

    Unlikely for hair frizz
    • Wind
      Gust
      16 mph
    • Precip
      10%
    • Hours of Precip
      0
    more
  • Saturday

    May 3

    64°Lo 57°

    Mostly cloudy

    Unlikely for hair frizz
    • Wind
      Gust
      20 mph
    • Precip
      5%
    • Hours of Precip
      0
    more
  • Sunday

    May 4

    81°Lo 55°

    Warmer with plenty of clouds

    Unlikely for hair frizz
    • Wind
      Gust
      23 mph
    • Precip
      3%
    • 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.