• Friday

    Jul 25

    90°Lo 61°

    Mostly sunny and warm

    Frizz Forecast
    Weather
    • Wind
      Gust
      8 mph
    • Precip
      1%
    • Hours of Precip
      1.5
    more
  • Saturday

    Jul 26

    76°Lo 60°

    Morning thunderstorms

    Frizz Forecast
    Weather
    • Wind
      Gust
      18 mph
    • Precip
      73%
    • Hours of Precip
      5
    more
  • Sunday

    Jul 27

    79°Lo 55°

    Abundant sunshine

    Frizz Forecast
    Weather
    • Wind
      Gust
      19 mph
    • Precip
      0%
    • Hours of Precip
      3.5
    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.