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    • Tonight

      Jan 18

      35° Lo
      Partly cloudy
      • Ragweed Pollen
        • Ragweed Pollen
        • Grass Pollen
        • Tree Pollen
        • Mold
        • Dust & Dander
        • Air Quality Index
      • Ragweed Pollen
      • Weather
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More
    • Thu

      Jan 19

      55° /34°F
      Partly sunny and mild
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
    • Fri

      Jan 20

      47° /42°
      Cooler with rain at times
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More
    • Sat

      Jan 21

      52° /45°
      Increasing amounts of sun
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More
    • Sun

      Jan 22

      49° /40°
      Cloudy and mild; p.m. rain
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More

    Day

    55°Hi RealFeel® 55° Precipitation 2%
    Partly sunny and mild
    • NW 5 mph
    • Gusts: 8 mph
    • Max UV Index: 2 (Low)
    • Thunderstorms: 0%
    • Precipitation: 0 in
    • Rain: 0 in
    • Snow: 0 in
    • Ice: 0 in
    • Hours of Precipitation: 0 hrs
    • Hours of Rain: 0 hrs

    Night

    34°Lo RealFeel® 35° Precipitation 2%
    Partly cloudy; patchy late-night fog
    • ENE 4 mph
    • Gusts: 5 mph
    • Max UV Index: N/A
    • Thunderstorms: 0%
    • Precipitation: 0 in
    • Rain: 0 in
    • Snow: 0 in
    • Ice: 0 in
    • Hours of Precipitation: 0 hrs
    • Hours of Rain: 0 hrs

    Frederick Pollen Levels Jan 19

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

      Low

    • Ragweed Pollen

      Low

    • Mold

      Low

    • Grass Pollen

      Low

    Temperature History

    more Historical Weather Data >
      Today Normal Record 1/19/2016
    High 55° 42° N/A 27°
    Low 34° 26° N/A 12°

    Sunrise/Sunset

    • Sunrise: 7:27 AM
    • Sunset: 5:15 PM
    • Duration: 9:48 hr

    Moonrise/Moonset

    • Moonrise: 4:33 AM
    • Moonset: 11:38 AM
    • Duration: 7:04 hr
    Astronomy

    Thu. Pollen

    Thu. Dust & Dander

    Thu. Wind Maps