• Friday

    Sep 11

    92°Lo 67°

    Mostly sunny and warm

    Watch for hair frizz
    • Wind
      Gust
      17 mph
    • Precip
      2%
    • Hours of Precip
      0
    more
  • Saturday

    Sep 12

    92°Lo 62°

    Sunshine and warm

    Unlikely for hair frizz
    • Wind
      Gust
      21 mph
    • Precip
      2%
    • Hours of Precip
      0
    more
  • Sunday

    Sep 13

    90°Lo 66°

    A thunderstorm possible

    Watch for hair frizz
    • Wind
      Gust
      18 mph
    • Precip
      30%
    • 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.