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    • Today

      Sep 30

      65° /62°F
      A.M. showers; cloudy, breezy
      • Poor
      • for home energy
      • Avg RealFeel: 61°
      • Hi RealFeel: 63°
      • Wind Speed: 14 mph
    • Sat

      Oct 1

      76° /60°
      Mostly cloudy with a shower
      • Poor
      • for home energy
      • Avg RealFeel: 69°
      • Hi RealFeel: 76°
      • Wind Speed: 12 mph
      More
    • Sun

      Oct 2

      76° /59°
      Mostly cloudy
      • Poor
      • for home energy
      • Avg RealFeel: 70°
      • Hi RealFeel: 80°
      • Wind Speed: 4 mph
      More
    • Mon

      Oct 3

      74° /56°
      Mostly sunny and beautiful
      • Poor
      • for home energy
      • Avg RealFeel: 67°
      • Hi RealFeel: 77°
      • Wind Speed: 5 mph
      More
    • Tue

      Oct 4

      71° /59°
      Times of clouds and sun
      • Poor
      • for home energy
      • Avg RealFeel: 64°
      • Hi RealFeel: 74°
      • Wind Speed: 5 mph
      More
    63°/61° RealFeel® 59°/55°
    Showers
    • 15 mph
    • Precipitation: 56%
    • Rain: 0.08 in
    • Snow: 0 in
    • Humidity: 98%
    • Cloud Cover: 99%
    • Dew Point: 61° F
    • Visibility: 8 mi

    Temperature History

    more Historical Weather Data >
      Today Normal Record 9/30/2015
    High 65° 70° N/A 72°
    Low 62° 54° N/A 57°

    Sunrise/Sunset

    • Sunrise: 7:04 AM
    • Sunset: 6:52 PM
    • Duration: 11:48 hr

    Moonrise/Moonset

    • Moonrise: 6:35 AM
    • Moonset: 6:56 PM
    • Duration: 12:21 hr
    Astronomy

    Rockville 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. Home Energy Efficiency

    Fri. Degree Days

    Fri. UV Index