• Friday

    Sep 11

    90°Lo 79°

    Mostly cloudy, showers around

    Warning for hair frizz
    • Wind
      Gust
      16 mph
    • Precip
      60%
    • Hours of Precip
      2.5
    more
  • Saturday

    Sep 12

    90°Lo 78°

    Mainly cloudy, showers around

    Warning for hair frizz
    • Wind
      Gust
      14 mph
    • Precip
      64%
    • Hours of Precip
      3.5
    more
  • Sunday

    Sep 13

    90°Lo 78°

    Partly sunny, showers around

    Warning for hair frizz
    • Wind
      Gust
      20 mph
    • Precip
      59%
    • Hours of Precip
      2.5
    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.