• Friday

    May 8

    63°Lo 39°

    Partly sunny and warmer

    Unlikely for hair frizz
    • Wind
      Gust
      22 mph
    • Precip
      2%
    • Hours of Precip
      0.5
    more
  • Saturday

    May 9

    68°Lo 44°

    An a.m. shower; partly sunny

    Unlikely for hair frizz
    • Wind
      Gust
      24 mph
    • Precip
      41%
    • Hours of Precip
      0.5
    more
  • Sunday

    May 10

    74°Lo 44°

    Sunshine and warm

    Unlikely for hair frizz
    • Wind
      Gust
      32 mph
    • Precip
      14%
    • 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.