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    • Tonight

      Sep 26

      60° Lo F
      Rain, a 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
    • Tue

      Sep 27

      73° /54°
      Clouds giving way to sun
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More
    • Wed

      Sep 28

      72° /60°
      Occasional afternoon rain
      • Moderate
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Moderate
      • Tree Pollen: Low
      More
    • Thu

      Sep 29

      72° /60°
      Mostly cloudy, showers around
      • Moderate
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Moderate
      • Tree Pollen: Low
      More
    • Fri

      Sep 30

      72° /54°
      Downpours in the morning
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More
    64°/60° RealFeel® 61°/59°
    Periods of rain
    • 6 mph
    • Precipitation: 54%
    • Rain: 0.08 in
    • Snow: 0 in
    • Humidity: 91%
    • Cloud Cover: 94%
    • Dew Point: 60° F
    • Visibility: 9 mi

    Temperature History

    more Historical Weather Data >
      Today Normal Record 9/26/2015
    High 69° 72° N/A 73°
    Low 60° 56° N/A 59°

    Sunrise/Sunset

    • Sunrise: 7:01 AM
    • Sunset: 6:58 PM
    • Duration: 11:57 hr

    Moonrise/Moonset

    • Moonrise: 2:40 AM
    • Moonset: 4:43 PM
    • Duration: 14:03 hr
    Astronomy

    Rockville Weather Report

    Rounds of rain to frequent northeastern US this week

    September 26, 2016; 8:30 PM ET

    Bouts of wet weather will soak the northeastern United States during the last full week of September. More >

    Mon. Pollen

    Mon. Dust & Dander

    Mon. Wind Maps