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    • Early AM

      Sep 26

      51° 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: Moderate
      • Tree Pollen: Low
      More
    • Today

      Sep 26

      72° /57°
      Mostly cloudy
      • Moderate
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Moderate
      • Tree Pollen: Low
      More
    • Tue

      Sep 27

      75° /49°
      Mostly sunny
      • Moderate
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Moderate
      • Tree Pollen: Low
      More
    • Wed

      Sep 28

      75° /58°F
      Chance of a little p.m. rain
      • Moderate
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Moderate
      • Tree Pollen: Low
    • Thu

      Sep 29

      66° /57°
      Mostly cloudy, a little rain
      • Moderate
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Moderate
      • Tree Pollen: Low
      More
    Wednesday
    9am
    10am
    11am
    12pm
    1pm
    2pm
    3pm
    4pm
    Forecast Partly Cloudy Partly Cloudy Partly Cloudy Partly Cloudy Partly Cloudy Partly Cloudy Mostly Cloudy Mostly Cloudy
    Temp (°F) 56° 61° 66° 70° 72° 75° 74° 73°
    RealFeel® 58° 65° 69° 73° 75° 77° 75° 73°
    Wind (mph) 4 E 5 E 6 ESE 6 ESE 7 ESE 7 SE 6 ESE 5 E
    precip
    9am
    10am
    11am
    12pm
    1pm
    2pm
    3pm
    4pm
    Rain
    7%
    7%
    7%
    7%
    7%
    6%
    6%
    6%
    Snow
    0%
    0%
    0%
    0%
    0%
    0%
    0%
    0%
    Ice
    0%
    0%
    0%
    0%
    0%
    0%
    0%
    0%
    SKY
    9am
    10am
    11am
    12pm
    1pm
    2pm
    3pm
    4pm
    UV Index 1 2 3 4 4 3 2 1
    Cloud Cover 59% 66% 70% 69% 67% 70% 78% 89%
    Humidity 91% 71% 52% 43% 42% 47% 55% 64%
    Dew Point 53° 52° 48° 46° 48° 53° 57° 60°
    Temp °F
    9am
    10am
    11am
    12pm
    1pm
    2pm
    3pm
    4pm
    80° 75° 70° 65° 60° 55°

    Temperature History

    more Historical Weather Data >
      Today Normal Record 9/28/2015
    High 75° 75° N/A 82°
    Low 58° 54° N/A 61°

    Sunrise/Sunset

    • Sunrise: 7:03 AM
    • Sunset: 6:55 PM
    • Duration: 11:52 hr

    Moonrise/Moonset

    • Moonrise: 4:39 AM
    • Moonset: 5:55 PM
    • Duration: 13:16 hr
    Astronomy

    Frederick Weather Report

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

    September 25, 2016; 11:29 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 to end this weekend. More >

    Wed. Dust & Dander

    Wed. Wind Maps