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    • Tonight

      Sep 28

      56° Lo
      Mostly cloudy, brief showers
      • Ragweed Pollen
        • Ragweed Pollen
        • Grass Pollen
        • Tree Pollen
        • Mold
        • Dust & Dander
        • Air Quality Index
      • Ragweed Pollen
      • Weather
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More
    • Thu

      Sep 29

      70° /58°F
      Heavy rain developing
      • Moderate
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Moderate
      • Tree Pollen: Low
    • Fri

      Sep 30

      70° /55°
      Cloudy with showers around
      • Moderate
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Moderate
      • Tree Pollen: Low
      More
    • Sat

      Oct 1

      73° /51°
      Variably cloudy with a shower
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More
    • Sun

      Oct 2

      70° /49°
      More clouds than sun
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More
    62°/61° RealFeel® 56°/52°
    Periods of rain
    • 15 mph
    • Precipitation: 69%
    • Rain: 0.64 in
    • Snow: 0 in
    • Humidity: 84%
    • Cloud Cover: 98%
    • Dew Point: 56° F
    • Visibility: 5 mi

    Temperature History

    more Historical Weather Data >
      Today Normal Record 9/29/2015
    High 70° 68° 81° (2014) 70°
    Low 58° 45° 35° (2000) 63°

    Sunrise/Sunset

    • Sunrise: 7:16 AM
    • Sunset: 7:05 PM
    • Duration: 11:49 hr

    Moonrise/Moonset

    • Moonrise: 5:50 AM
    • Moonset: 6:38 PM
    • Duration: 12:48 hr
    Astronomy

    Washington 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 >

    Thu. Pollen

    Thu. Dust & Dander

    Thu. Wind Maps