• Friday

    Mar 13

    69°Lo 48°

    Clouds and sun

    Watch for hair frizz
    • Wind
      Gust
      18 mph
    • Precip
      10%
    • Hours of Precip
      0
    more
  • Saturday

    Mar 14

    71°Lo 48°

    Mostly cloudy and warm

    Watch for hair frizz
    • Wind
      Gust
      21 mph
    • Precip
      3%
    • Hours of Precip
      3
    more
  • Sunday

    Mar 15

    71°Lo 46°

    Mostly cloudy, showers; warm

    Watch for hair frizz
    • Wind
      Gust
      17 mph
    • Precip
      100%
    • Hours of Precip
      10
    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.