• Friday

    Feb 19

    44°Lo 31°

    Some sun, then clouds

    Beneficial weather for asthma
    • Hi
      RealFeel
      43°
    • UV
      4 - Moderate
    • Air Qual.
      Good
    more
  • Saturday

    Feb 20

    47°Lo 33°

    Decreasing clouds

    Beneficial weather for asthma
    • Hi
      RealFeel
      45°
    • UV
      4 - Moderate
    • Air Qual.
      Good
    more
  • Sunday

    Feb 21

    52°Lo 31°

    Mostly cloudy, rain possible

    Beneficial weather for asthma
    • Hi
      RealFeel
      49°
    • UV
      4 - Moderate
    • Air Qual.
      Good
    more
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Mohnton Weather Report

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

February 11, 2016; 8:38 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 >

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