• Friday

    Aug 1

    87°Lo 81°

    Mostly cloudy with showers

    Frizz Forecast
    Weather
    • Wind
      Gust
      18 mph
    • Precip
      65%
    • Hours of Precip
      5
    more
  • Saturday

    Aug 2

    89°Lo 80°

    A t-storm around in the p.m.

    Frizz Forecast
    Weather
    • Wind
      Gust
      21 mph
    • Precip
      55%
    • Hours of Precip
      2
    more
  • Sunday

    Aug 3

    88°Lo 79°

    A morning thunderstorm or two

    Frizz Forecast
    Weather
    • Wind
      Gust
      22 mph
    • Precip
      61%
    • 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.