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    • Today

      Jan 22

      50° /43°F
      Low clouds and fog
      • Ragweed Pollen
        • Ragweed Pollen
        • Grass Pollen
        • Tree Pollen
        • Mold
        • Dust & Dander
        • Air Quality Index
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
    • Mon

      Jan 23

      45° /38°
      Breezy and cooler with rain
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More
    • Tue

      Jan 24

      49° /34°
      Sun and areas of low clouds
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More
    • Wed

      Jan 25

      59° /42°
      Mostly sunny and milder
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More
    • Thu

      Jan 26

      50° /34°
      Cooler with clouds and sun
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More

    Day

    50°Hi RealFeel® 50° Precipitation 50%
    Mild with low clouds and fog; periods of rain and drizzle later this afternoon
    • NE 4 mph
    • Gusts: 9 mph
    • Max UV Index: 1 (Low)
    • Thunderstorms: 0%
    • Precipitation: 0.04 in
    • Rain: 0.04 in
    • Snow: 0 in
    • Ice: 0 in
    • Hours of Precipitation: 0.5 hrs
    • Hours of Rain: 0.5 hrs

    Night

    43°Lo RealFeel® 33° Precipitation 75%
    Intermittent rain, becoming steadier
    • ENE 8 mph
    • Gusts: 17 mph
    • Max UV Index: N/A
    • Thunderstorms: 1%
    • Precipitation: 0.31 in
    • Rain: 0.31 in
    • Snow: 0 in
    • Ice: 0 in
    • Hours of Precipitation: 5.5 hrs
    • Hours of Rain: 5.5 hrs

    Frederick Pollen Levels Jan 22

    • 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 1/22/2016
    High 50° 42° N/A 27°
    Low 43° 26° N/A 14°

    Sunrise/Sunset

    • Sunrise: 7:25 AM
    • Sunset: 5:19 PM
    • Duration: 9:54 hr

    Moonrise/Moonset

    • Moonrise: 2:43 AM
    • Moonset: 1:17 PM
    • Duration: 10:34 hr
    Astronomy

    Sun. Pollen

    Sun. Dust & Dander

    Sun. Wind Maps