• Friday

    May 8

    60°Lo 39°

    Mostly cloudy and breezy

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

    May 9

    60°Lo 35°

    Mostly cloudy

    Watch for hair frizz
    • Wind
      Gust
      21 mph
    • Precip
      13%
    • Hours of Precip
      1.5
    more
  • Sunday

    May 10

    56°Lo 34°

    Rain and a thunderstorm

    Watch for hair frizz
    • Wind
      Gust
      32 mph
    • Precip
      66%
    • Hours of Precip
      7.5
    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.