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    • Today

      Sep 26

      68° /57°
      Mostly cloudy
      • Ragweed Pollen
        • Ragweed Pollen
        • Grass Pollen
        • Tree Pollen
        • Mold
        • Dust & Dander
        • Air Quality Index
      • Moderate
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Moderate
      • Tree Pollen: Low
      More
    • Tue

      Sep 27

      75° /49°
      Sunny to partly cloudy
      • Moderate
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Moderate
      • Tree Pollen: Low
      More
    • Wed

      Sep 28

      74° /58°
      Occasional afternoon rain
      • Moderate
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Moderate
      • Tree Pollen: Low
      More
    • Thu

      Sep 29

      70° /58°F
      Mostly cloudy, a little rain
      • Moderate
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Moderate
      • Tree Pollen: Low
    • Fri

      Sep 30

      72° /57°
      Downpours in the morning
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More

    Day

    70°Hi RealFeel® 70° Precipitation 68%
    Mostly cloudy with occasional rain
    • E 7 mph
    • Gusts: 9 mph
    • Max UV Index: 2 (Low)
    • Thunderstorms: 24%
    • Precipitation: 0.26 in
    • Rain: 0.26 in
    • Snow: 0 in
    • Ice: 0 in
    • Hours of Precipitation: 4 hrs
    • Hours of Rain: 4 hrs

    Night

    58°Lo RealFeel® 57° Precipitation 61%
    Overcast; occasional rain and a thunderstorm in the evening followed by brief showers late
    • E 5 mph
    • Gusts: 9 mph
    • Max UV Index: N/A
    • Thunderstorms: 60%
    • Precipitation: 0.21 in
    • Rain: 0.21 in
    • Snow: 0 in
    • Ice: 0 in
    • Hours of Precipitation: 2.5 hrs
    • Hours of Rain: 2.5 hrs

    Temperature History

    more Historical Weather Data >
      Today Normal Record 9/29/2015
    High 70° 75° N/A 81°
    Low 58° 54° N/A 66°

    Sunrise/Sunset

    • Sunrise: 7:05 AM
    • Sunset: 6:54 PM
    • Duration: 11:49 hr

    Moonrise/Moonset

    • Moonrise: 5:39 AM
    • Moonset: 6:26 PM
    • Duration: 12:47 hr
    Astronomy

    Frederick Weather Report

    Rounds of rain to frequent northeastern US this week

    September 26, 2016; 1:09 PM ET

    Bouts of wet weather will soak the northeastern United States during the last full week of September. More >

    Thu. Dust & Dander

    Thu. Wind Maps