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    • Tonight

      Sep 27

      56° Lo
      Partly cloudy
      • Driving
        • Driving
        • Fuel Economy
      • Driving
      • Weather
      • Precip: 25%
      • Hours of Precip: 0
      • Rain: 0 in
      More
    • Wed

      Sep 28

      75° /66°
      Mostly cloudy, afternoon rain
      • Fair
      • for driving
      • Precip: 80%
      • Hours of Precip: 11
      • Rain: 1.76 in
      More
    • Thu

      Sep 29

      73° /65°F
      Heavy t-storms; mostly cloudy
      • Fair
      • for driving
      • Precip: 73%
      • Hours of Precip: 10.5
      • Rain: 1.54 in
    • Fri

      Sep 30

      72° /64°
      Cloudy with showers around
      • Good
      • for driving
      • Precip: 62%
      • Hours of Precip: 6
      • Rain: 0.43 in
      More
    • Sat

      Oct 1

      77° /59°
      More clouds than sunshine
      • Excellent
      • for driving
      • Precip: 22%
      • Hours of Precip: 0
      • Rain: 0 in
      More
    68°/67° RealFeel® 68°/64°
    Periods of rain
    • 7 mph
    • Precipitation: 62%
    • Rain: 0.24 in
    • Snow: 0 in
    • Humidity: 98%
    • Cloud Cover: 99%
    • Dew Point: 67° F
    • Visibility: 7 mi

    Temperature History

    more Historical Weather Data >
      Today Normal Record 9/29/2015
    High 73° 70° N/A 79°
    Low 65° 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: 6:25 PM
    • Duration: 12:47 hr
    Astronomy

    Rockville Weather Report

    Rain to soak northeastern US during final days of September

    September 27, 2016; 8:45 PM ET

    Periods of rain will drench portions of the northeastern United States from midweek through Friday. More >

    Thu. Driving Weather