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    Next 5 Days
    • Current Weather

      72° F
      Mostly cloudy
      • Ragweed Pollen
        • Ragweed Pollen
        • Grass Pollen
        • Tree Pollen
        • Mold
        • Dust & Dander
        • Air Quality Index
      • Relative Humidity: 86%
      • Yesterday Temp: 68°
      • RealFeel: 74°
    • Tonight

      Sep 20

      67° Lo
      Increasing clouds; mild
      • Ragweed Pollen
      • Weather
      • Grass Pollen: Low
      • Ragweed Pollen: Moderate
      • Tree Pollen: Low
      } Day Details
    • Tomorrow

      Sep 21

      82° Hi
      Morning mist; clouds breaking
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      } Day Details
    • Saturday

      Sep 22

      78° Hi
      Partly sunny
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      } Day Details
    Next 6 Hours
    • 11PM

      Sep 20

      71°
      Intermittent clouds
      Precip 6%
    • 12AM

      70°
      Partly cloudy
      Precip 6%
    • 1AM

      69°
      Partly cloudy
      Precip 6%
    • 2AM

      69°
      Cloudy
      Precip 6%
    • 3AM

      68°
      Cloudy
      Precip 6%
    • 4AM

      68°
      Cloudy
      Precip 5%

    Frederick Pollen Levels Sep 20

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

      Low

    • Ragweed Pollen

      Moderate

    • Mold

      High

    • Grass Pollen

      Low

    It only takes between 24 to 48 hours for mold to develop after water exposure. If floodwaters have entered your home, follow these tips to help prevent mold growth.
    Preventing mold growth after a flood

    Allergies Live Feed

    Thu. Pollen

    Thu. Dust & Dander

    Thu. Wind Maps