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    Next 5 Days
    • Current Weather

      55° F
      Clear
      • Ragweed Pollen
        • Ragweed Pollen
        • Grass Pollen
        • Tree Pollen
        • Mold
        • Dust & Dander
        • Air Quality Index
      • Relative Humidity: 50%
      • Yesterday Temp: 63°
      • RealFeel: 52°
    • Tonight

      Mar 29

      37° Lo
      Clear and cooler
      • Ragweed Pollen
      • Weather
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Moderate
      } Day Details
    • Tomorrow

      Mar 30

      53° Hi
      Cooler with increasing clouds
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: High
      } Day Details
    • Friday

      Mar 31

      53° Hi
      Periods of rain
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Moderate
      } Day Details
    Next 6 Hours
    • 8PM

      Mar 29

      55°
      Clear
      Precip 0%
    • 9PM

      53°
      Clear
      Precip 0%
    • 10PM

      49°
      Clear
      Precip 0%
    • 11PM

      47°
      Mostly clear
      Precip 0%
    • 12AM

      45°
      Mostly clear
      Precip 0%
    • 1AM

      44°
      Mostly clear
      Precip 0%

    Frederick Pollen Levels Mar 29

    • Extreme
    • Very High
    • High
    • Moderate
    • Low
    • Tree Pollen

      Moderate

    • Ragweed Pollen

      Low

    • Mold

      Low

    • Grass Pollen

      Low

    Mar 29, 2017; 7:09 PM ET  Cold rain and wintry precipitation will plague the Northeast into the weekend.
    Wet end of the week in store for northeastern US

    Allergies Live Feed

    Wed. Pollen

    Wed. Dust & Dander

    Wed. Wind Maps