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    • Early AM

      Sep 29

      66° Lo
      Rain, some heavy, and a thunderstorm
      • Construction
      • Weather
      • Precip: 91%
      • Hours of Precip: 9.5
      • Hi RealFeel: 68°
      More
    • Today

      Sep 29

      70° /63°
      Heavy rain and a thunderstorm
      • Poor
      • for outdoor DIY projects
      • Precip: 64%
      • Hours of Precip: 3
      • Hi RealFeel: 70°
      More
    • Fri

      Sep 30

      68° /64°
      Cloudy with showers around
      • Poor
      • for outdoor DIY projects
      • Precip: 62%
      • Hours of Precip: 2
      • Hi RealFeel: 64°
      More
    • Sat

      Oct 1

      75° /61°F
      Warmer with a passing shower
      • Excellent
      • for outdoor DIY projects
      • Precip: 25%
      • Hours of Precip: 0
      • Hi RealFeel: 78°
    • Sun

      Oct 2

      78° /57°
      A couple of afternoon showers
      • Very Good
      • for outdoor DIY projects
      • Precip: 60%
      • Hours of Precip: 1.5
      • Hi RealFeel: 86°
      More
    75°/71° RealFeel® 78°/73°
    Perhaps a shower
    • 6 mph
    • Precipitation: 55%
    • Rain: 0.02 in
    • Snow: 0 in
    • Humidity: 84%
    • Cloud Cover: 80%
    • Dew Point: 68° F
    • Visibility: 9 mi

    Temperature History

    more Historical Weather Data >
      Today Normal Record 10/1/2015
    High 75° 70° N/A 57°
    Low 61° 53° N/A 54°

    Sunrise/Sunset

    • Sunrise: 7:05 AM
    • Sunset: 6:50 PM
    • Duration: 11:45 hr

    Moonrise/Moonset

    • Moonrise: 7:32 AM
    • Moonset: 7:26 PM
    • Duration: 11:54 hr
    Astronomy

    Rockville Weather Report

    Persistent rain to raise flood risk in part of northeastern US late this week

    September 29, 2016; 2:55 AM 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 >

    Sat. Outdoor DIY Projects

    Sat. Wind Maps

    Sat. UV Index