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    • Today

      Sep 29

      73° /66°F
      Heavy rain and a thunderstorm
      • 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: Moderate
    • Fri

      Sep 30

      70° /66°
      Cloudy, showers; breezy
      • Moderate
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Moderate
      • Tree Pollen: Moderate
      More
    • Sat

      Oct 1

      75° /64°
      Humid with periods of sun
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Moderate
      More
    • Sun

      Oct 2

      79° /62°
      Some sun, a couple of showers
      • Moderate
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Moderate
      • Tree Pollen: Moderate
      More
    • Mon

      Oct 3

      77° /60°
      Partly sunny and comfortable
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More
    Thursday
    5am
    6am
    7am
    8am
    9am
    10am
    11am
    12pm
    Forecast Rain Cloudy Rain Rain Rain Cloudy Cloudy Rain
    Temp (°F) 69° 69° 68° 68° 69° 69° 70° 71°
    RealFeel® 65° 67° 62° 61° 62° 68° 69° 66°
    Wind (mph) 9 ESE 10 E 12 E 12 E 13 E 14 E 18 E 21 E
    precip
    5am
    6am
    7am
    8am
    9am
    10am
    11am
    12pm
    Rain
    64%
    49%
    70%
    68%
    68%
    49%
    49%
    65%
    Snow
    0%
    0%
    0%
    0%
    0%
    0%
    0%
    0%
    Ice
    0%
    0%
    0%
    0%
    0%
    0%
    0%
    0%
    SKY
    5am
    6am
    7am
    8am
    9am
    10am
    11am
    12pm
    UV Index 0 0 0 0 0 1 1 1
    Cloud Cover 99% 95% 100% 94% 94% 94% 94% 94%
    Humidity 90% 89% 89% 89% 90% 91% 93% 94%
    Dew Point 66° 65° 65° 65° 65° 66° 68° 70°
    Temp °F
    5am
    6am
    7am
    8am
    9am
    10am
    11am
    12pm
    75° 70° 65°

    Temperature History

    more Historical Weather Data >
      Today Normal Record 9/29/2015
    High 73° 74° N/A 79°
    Low 66° 54° N/A 68°

    Sunrise/Sunset

    • Sunrise: 7:03 AM
    • Sunset: 6:53 PM
    • Duration: 11:50 hr

    Moonrise/Moonset

    • Moonrise: 5:38 AM
    • Moonset: 6:24 PM
    • Duration: 12:46 hr
    Astronomy

    Accokeek Weather Report

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

    September 29, 2016; 2:55 AM 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 >

    Thu. Pollen

    Thu. Dust & Dander

    Thu. Wind Maps