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    • Tonight

      Sep 28

      65° Lo F
      Heavy rain, thunderstorm
      • 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
    • Thu

      Sep 29

      69° /62°
      Heavy rain; windy, humid
      • Moderate
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Moderate
      • Tree Pollen: Low
      More
    • Fri

      Sep 30

      68° /62°
      Cloudy with a few showers
      • Moderate
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Moderate
      • Tree Pollen: Low
      More
    • Sat

      Oct 1

      74° /61°
      Mostly cloudy, showers around
      • Moderate
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Moderate
      • Tree Pollen: Low
      More
    • Sun

      Oct 2

      80° /56°
      Brief afternoon showers
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More
    Wednesday
    11pm
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    4am
    5am
    6am
    Forecast Rain Rain Cloudy Rain Cloudy Rain Rain Rain
    Temp (°F) 66° 66° 66° 66° 66° 66° 66° 66°
    RealFeel® 61° 60° 63° 60° 63° 60° 60° 59°
    Wind (mph) 10 ENE 12 ENE 13 ENE 12 E 13 E 15 E 16 E 15 E
    precip
    11pm
    12am
    1am
    2am
    3am
    4am
    5am
    6am
    Rain
    61%
    55%
    49%
    68%
    49%
    68%
    64%
    64%
    Snow
    0%
    0%
    0%
    0%
    0%
    0%
    0%
    0%
    Ice
    0%
    0%
    0%
    0%
    0%
    0%
    0%
    0%
    SKY
    11pm
    12am
    1am
    2am
    3am
    4am
    5am
    6am
    UV Index 0 0 0 0 0 0 0 0
    Cloud Cover 99% 99% 99% 100% 100% 100% 100% 99%
    Humidity 93% 93% 93% 93% 93% 93% 93% 93%
    Dew Point 64° 64° 64° 64° 64° 64° 64° 64°
    Temp °F
    11pm
    12am
    1am
    2am
    3am
    4am
    5am
    6am
    70° 65°

    Temperature History

    more Historical Weather Data >
      Today Normal Record 9/28/2015
    High 70° 75° N/A 82°
    Low 65° 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

    Persistent rain to raise flood risk in part of northeastern US late this week

    September 28, 2016; 9:55 PM ET

    Rain will spread over much of the northeastern U.S. into the weekend, but persistent downpours will raise the flood risk in part of the mid-Atlantic. More >

    Wed. Pollen

    Wed. Dust & Dander

    Wed. Wind Maps