• Friday

    Sep 5

    68°Lo 57°

    Cloudy, a shower; cooler

    Watch for hair frizz
    • Wind
      Gust
      24 mph
    • Precip
      55%
    • Hours of Precip
      2
    more
  • Saturday

    Sep 6

    70°Lo 49°

    Morning rain, then a shower

    Watch for hair frizz
    • Wind
      Gust
      31 mph
    • Precip
      66%
    • Hours of Precip
      2.5
    more
  • Sunday

    Sep 7

    67°Lo 51°

    Rain becoming steadier

    Watch for hair frizz
    • Wind
      Gust
      16 mph
    • Precip
      80%
    • Hours of Precip
      6
    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.