• Friday

    Feb 12

    31°Lo 17°

    Turning cloudy and cold

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

    Feb 13

    21°Lo 8°

    Mostly cloudy; breezy, colder

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

    Feb 14

    23°Lo 11°

    Very cold with plenty of sun

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

DC, Baltimore: Polar vortex to smack region during Valentine's Day weekend

February 11, 2016; 1:58 AM ET

The coldest air of the winter and perhaps during all of last winter will plunge across the Washington, D.C., and Baltimore areas during Valentine's Day weekend. more >

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