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    • Today

      Sep 25

      75° /58°F
      Heavy rain and a thunderstorm
      • Ragweed Pollen
        • Ragweed Pollen
        • Grass Pollen
        • Tree Pollen
        • Mold
        • Dust & Dander
        • Air Quality Index
      • High
      • ragweed pollen levels
      • Grass Pollen: High
      • Ragweed Pollen: High
      • Tree Pollen: Low
    • Mon

      Sep 26

      76° /52°
      Clouds breaking and breezy
      • High
      • ragweed pollen levels
      • Grass Pollen: High
      • Ragweed Pollen: High
      • Tree Pollen: Low
      More
    • Tue

      Sep 27

      80° /53°
      Mostly sunny and pleasant
      • High
      • ragweed pollen levels
      • Grass Pollen: High
      • Ragweed Pollen: High
      • Tree Pollen: Low
      More
    • Wed

      Sep 28

      86° /55°
      Mostly sunny
      • High
      • ragweed pollen levels
      • Grass Pollen: High
      • Ragweed Pollen: High
      • Tree Pollen: Low
      More
    • Thu

      Sep 29

      80° /55°
      Partly sunny and pleasant
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More

    Day

    75°Hi RealFeel® 79° Precipitation 85%
    Heavy rain and a t-storm; not as warm, humid this morning, then turning breezy; watch for flooding
    • N 14 mph
    • Gusts: 29 mph
    • Max UV Index: 2 (Low)
    • Thunderstorms: 50%
    • Precipitation: 0.55 in
    • Rain: 0.55 in
    • Snow: 0 in
    • Ice: 0 in
    • Hours of Precipitation: 6 hrs
    • Hours of Rain: 6 hrs

    Night

    58°Lo RealFeel® 53° Precipitation 56%
    Occasional rain and a thunderstorm this evening; otherwise, considerable clouds and breezy
    • NNE 15 mph
    • Gusts: 23 mph
    • Max UV Index: N/A
    • Thunderstorms: 30%
    • Precipitation: 0.25 in
    • Rain: 0.25 in
    • Snow: 0 in
    • Ice: 0 in
    • Hours of Precipitation: 2 hrs
    • Hours of Rain: 2 hrs

    Frederick Pollen Levels Sep 25

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

      Low

    • Ragweed Pollen

      High

    • Mold

      Low

    • Grass Pollen

      High

    Temperature History

    more Historical Weather Data >
      Today Normal Record 9/25/2015
    High 75° 84° N/A 94°
    Low 58° 57° N/A 65°

    Sunrise/Sunset

    • Sunrise: 7:27 AM
    • Sunset: 7:27 PM
    • Duration: 12:00 hr

    Moonrise/Moonset

    • Moonrise: 2:20 AM
    • Moonset: 4:23 PM
    • Duration: 14:03 hr
    Astronomy

    Sun. Pollen

    Sun. Dust & Dander

    Sun. Wind Maps