• Cloudy 27°
    Hair Frizz Current Weather
    • Relative Humidity
      71%
    • Wind
      Speed
      10 mph
    • Dew
      Point
      19°
  • Today

    Dec 18

    Hi 34°

    Variable cloudiness

    Watch for hair frizz
    • Wind
      Gust
      9 mph
    • Precip
      41%
    • Hours of Precip
      0.5
    Day Details >
  • Tomorrow

    Dec 19

    Hi 35°

    Times of clouds and sun

    Watch for hair frizz
    • Wind
      Gust
      8 mph
    • Precip
      2%
    • Hours of Precip
      0
    Day Details >
  • Saturday

    Dec 20

    Hi 38°

    Mainly cloudy

    Watch for hair frizz
    • Wind
      Gust
      4 mph
    • Precip
      14%
    • Hours of Precip
      0
    Day Details >
Next

Snow flurries this afternoon

12/18 12/19 Now: 7:11am
AM 7-11
  • 7am Mostly cloudy 26° 7%
  • 8am Mostly cloudy 26° 7%
  • 9am Intermittent clouds 27° 7%
  • 10am Intermittent clouds 28° 7%
  • 11am Intermittent clouds 29° 7%
PM 6-11
  • 6pm Intermittent clouds 31° 37%
  • 7pm Cloudy 30° 3%
  • 8pm Mostly cloudy 30° 3%
  • 9pm Mostly cloudy 30° 3%
  • 10pm Cloudy 30° 3%
  • 11pm Mostly cloudy 30° 3%
AM 12-5
  • 12am Mostly cloudy 30° 3%
  • 1am Cloudy 29° 3%
  • 2am Cloudy 28° 3%
  • 3am Cloudy 28° 3%
  • 4am Cloudy 28° 3%
  • 5am Mostly cloudy 27° 3%
Hourly Forecast >
Dec 18, 2014; 2:15 AM ET
Five-day Weather Forecast for Pittsburgh, PA
Pittsburgh, PA Weather Forecast

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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.

Thu. Hair Frizz

Thu. Wind Maps

Thu. UV Index