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    • Today

      Sep 30

      66° /63°F
      A.M. showers; cloudy, breezy
      • Ragweed Pollen
        • Ragweed Pollen
        • Grass Pollen
        • Tree Pollen
        • Mold
        • Dust & Dander
        • Air Quality Index
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Moderate
    • Sat

      Oct 1

      76° /60°
      A brief shower or two
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Moderate
      More
    • Sun

      Oct 2

      77° /59°
      Mostly cloudy
      • Moderate
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Moderate
      • Tree Pollen: Moderate
      More
    • Mon

      Oct 3

      74° /57°
      Mostly sunny and beautiful
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Moderate
      More
    • Tue

      Oct 4

      72° /59°
      Times of clouds and sun
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More

    Day

    66°Hi RealFeel® 63° Precipitation 79%
    Cloudy and breezy; morning showers followed by a shower in spots this afternoon
    • NE 15 mph
    • Gusts: 29 mph
    • Max UV Index: 1 (Low)
    • Thunderstorms: 29%
    • Precipitation: 0.18 in
    • Rain: 0.18 in
    • Snow: 0 in
    • Ice: 0 in
    • Hours of Precipitation: 2 hrs
    • Hours of Rain: 2 hrs

    Night

    63°Lo RealFeel® 60° Precipitation 60%
    Mostly cloudy with a couple of showers
    • ENE 7 mph
    • Gusts: 13 mph
    • Max UV Index: N/A
    • Thunderstorms: 29%
    • Precipitation: 0.16 in
    • Rain: 0.16 in
    • Snow: 0 in
    • Ice: 0 in
    • Hours of Precipitation: 2 hrs
    • Hours of Rain: 2 hrs

    Bethesda Pollen Levels Sep 30

    • Extreme
    • Very High
    • High
    • Moderate
    • Low
    • Tree Pollen

      Moderate

    • Ragweed Pollen

      Low

    • Mold

      High

    • Grass Pollen

      Low

    Temperature History

    more Historical Weather Data >
      Today Normal Record 9/30/2015
    High 66° 75° N/A 77°
    Low 63° 54° N/A 63°

    Sunrise/Sunset

    • Sunrise: 7:04 AM
    • Sunset: 6:51 PM
    • Duration: 11:47 hr

    Moonrise/Moonset

    • Moonrise: 6:35 AM
    • Moonset: 6:55 PM
    • Duration: 12:20 hr
    Astronomy

    Bethesda Weather Report

    Persistent rain to raise flood risk in part of northeastern US

    September 30, 2016; 4:16 AM ET

    Persistent downpours will raise the flood risk in part of the mid-Atlantic into Friday night, while rain will spread over the balance of the northeastern United States into the weekend. More >

    Fri. Pollen

    Fri. Dust & Dander

    Fri. Wind Maps