, °F

Personalized Forecasts

Featured Forecast

My Favorite Forecasts

    My Recent Locations

    • Today

      Sep 24

      73° /50°
      Mostly cloudy and cooler
      • 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
    • Sun

      Sep 25

      74° /51°
      Mostly sunny and nice
      • Moderate
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Moderate
      • Tree Pollen: Low
      More
    • Mon

      Sep 26

      74° /61°
      Mostly cloudy
      • Moderate
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Moderate
      • Tree Pollen: Low
      More
    • Tue

      Sep 27

      74° /48°
      Clouds giving way to some sun
      • Moderate
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Moderate
      • Tree Pollen: Low
      More
    • Wed

      Sep 28

      75° /54°F
      Partly sunny and beautiful
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low

    Day

    75°Hi RealFeel® 76° Precipitation 25%
    Beautiful with clouds and sunshine
    • ESE 5 mph
    • Gusts: 9 mph
    • Max UV Index: 4 (Moderate)
    • Thunderstorms: 4%
    • Precipitation: 0 in
    • Rain: 0 in
    • Snow: 0 in
    • Ice: 0 in
    • Hours of Precipitation: 0 hrs
    • Hours of Rain: 0 hrs

    Night

    54°Lo RealFeel® 53° Precipitation 15%
    Mainly clear
    • NE 4 mph
    • Gusts: 6 mph
    • Max UV Index: N/A
    • Thunderstorms: 4%
    • Precipitation: 0 in
    • Rain: 0 in
    • Snow: 0 in
    • Ice: 0 in
    • Hours of Precipitation: 0 hrs
    • Hours of Rain: 0 hrs

    Temperature History

    more Historical Weather Data >
      Today Normal Record 9/28/2015
    High 75° 75° N/A 82°
    Low 54° 54° N/A 61°

    Sunrise/Sunset

    • Sunrise: 7:04 AM
    • Sunset: 6:56 PM
    • Duration: 11:52 hr

    Moonrise/Moonset

    • Moonrise: 4:40 AM
    • Moonset: 5:55 PM
    • Duration: 13:15 hr
    Astronomy

    Frederick Weather Report

    Crisp fall air to bring first frost of season to parts of northeastern US

    September 24, 2016; 3:04 PM ET

    Fall air has finally arrived in the northeastern United States and may yield the first frost of the season in parts of the region this weekend. More >

    Wed. Dust & Dander

    Wed. Wind Maps