• Friday

    Jul 18

    91°Lo 75°

    Sun and areas of high clouds

    Frizz Forecast
    Weather
    • Wind
      Gust
      12 mph
    • Precip
      25%
    • Hours of Precip
      0
    more
  • Saturday

    Jul 19

    93°Lo 74°

    Sun through high clouds

    Frizz Forecast
    Weather
    • Wind
      Gust
      18 mph
    • Precip
      14%
    • Hours of Precip
      0
    more
  • Sunday

    Jul 20

    91°Lo 74°

    A thunderstorm in spots

    Frizz Forecast
    Weather
    • Wind
      Gust
      12 mph
    • Precip
      41%
    • Hours of Precip
      3
    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.