• Friday

    Sep 5

    84°Lo 61°

    Partly sunny

    Poor for stargazing
    • Cloud
      Cover
      95%
    • Precip
      40%
    • Hours of Precip
      2
    more
  • Saturday

    Sep 6

    77°Lo 58°

    A strong morning thunderstorm

    Poor for stargazing
    • Cloud
      Cover
      70%
    • Precip
      41%
    • Hours of Precip
      4.5
    more
  • Sunday

    Sep 7

    80°Lo 59°

    Clouds, a thunderstorm or two

    Good for stargazing
    • Cloud
      Cover
      42%
    • Precip
      14%
    • Hours of Precip
      4
    more
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Washington Weather Report

Pittsburgh: Thunderstorms Could Threaten Holiday Weekend

August 29, 2014; 1:59 AM ET

The Pittsburgh area will have a turbulent stretch of sun and intermittent thunderstorms for the next several days, including storms that could impact Labor Day weekend plans. more >

Astronomy Live Feed

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Curiosity Tastes Mars

Dec 14, 2012; 5:00 AM ET The Mars Science Laboratory Rover 'Curiosity' continues its sampling and analyzing of the Martian surface.