• Friday

    Feb 12

    31°Lo 19°

    Turning cloudy and cold

    Poor for stargazing
    • Cloud
      Cover
      76%
    • Precip
      55%
    • Hours of Precip
      0.5
    more
  • Saturday

    Feb 13

    22°Lo 4°

    Variable clouds; very cold

    Good for stargazing
    • Cloud
      Cover
      7%
    • Precip
      2%
    • Hours of Precip
      0.5
    more
  • Sunday

    Feb 14

    19°Lo 8°

    Sunny, but frigid

    Poor for stargazing
    • Cloud
      Cover
      67%
    • Precip
      1%
    • Hours of Precip
      0
    more
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Pleasantville Weather Report

Philadelphia: Polar vortex to smack region during Valentine's Day weekend

February 10, 2016; 10:08 AM ET

The coldest air of the winter and perhaps during all of last winter will plunge across the Philadelphia area during Valentine's Day weekend. more >

Astronomy Live Feed

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'Frankenfish' Ready for Market

Dec 7, 2012; 7:08 AM ET A new lab-created meat is waiting for FDA approval that is at once very different and just the same as your favorite fish dinner.

Fri. Stargazing