• Friday

    Jul 18

    84°Lo 61°

    Times of sun and clouds

    Frizz Forecast
    Weather
    • Wind
      Gust
      9 mph
    • Precip
      21%
    • Hours of Precip
      0
    more
  • Saturday

    Jul 19

    82°Lo 65°

    Cloudy

    Frizz Forecast
    Weather
    • Wind
      Gust
      15 mph
    • Precip
      11%
    • Hours of Precip
      2.5
    more
  • Sunday

    Jul 20

    88°Lo 71°

    Some sun with a stray t-storm

    Frizz Forecast
    Weather
    • Wind
      Gust
      8 mph
    • Precip
      40%
    • Hours of Precip
      1
    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.