• Friday

    Jul 18

    94°Lo 62°

    Very warm with sunshine

    Frizz Forecast
    Weather
    • Wind
      Gust
      18 mph
    • Precip
      1%
    • Hours of Precip
      0
    more
  • Saturday

    Jul 19

    94°Lo 59°

    Mostly sunny and very warm

    Frizz Forecast
    Weather
    • Wind
      Gust
      20 mph
    • Precip
      1%
    • Hours of Precip
      0
    more
  • Sunday

    Jul 20

    93°Lo 59°

    Variable clouds with a shower

    Frizz Forecast
    Weather
    • Wind
      Gust
      11 mph
    • Precip
      55%
    • 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.