• Friday

    Jul 18

    81°Lo 68°

    Cloudy with a little rain

    Frizz Forecast
    Weather
    • Wind
      Gust
      7 mph
    • Precip
      60%
    • Hours of Precip
      2
    more
  • Saturday

    Jul 19

    93°Lo 73°

    Sunshine and warmer

    Frizz Forecast
    Weather
    • Wind
      Gust
      8 mph
    • Precip
      2%
    • Hours of Precip
      0
    more
  • Sunday

    Jul 20

    94°Lo 74°

    Cloudy, a thunderstorm; humid

    Frizz Forecast
    Weather
    • Wind
      Gust
      12 mph
    • Precip
      51%
    • Hours of Precip
      1.5
    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.