• Saturday

    Sep 5

    81°Lo 57°

    Turning sunny and less humid

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    more
  • Sunday

    Sep 6

    84°Lo 60°

    Plenty of sunshine

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    more
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Princeton Weather Report

Philadelphia: Heat to Rebuild Labor Day Weekend After Cooldown

September 4, 2015; 1:15 PM ET

A backdoor front will trim temperatures, haze and humidity around Philadelphia early this weekend before all three conditions build by early next week. more >

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