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    • Today

      Sep 26

      70° /58°
      Variable cloudiness
      • Very Good
      • for outdoor DIY projects
      • Precip: 25%
      • Hours of Precip: 5
      • Hi RealFeel: 68°
      More
    • Tue

      Sep 27

      72° /52°F
      Clouds giving way to sun
      • Excellent
      • for outdoor DIY projects
      • Precip: 25%
      • Hours of Precip: 0
      • Hi RealFeel: 76°
    • Wed

      Sep 28

      72° /59°
      Heavy rain and a thunderstorm
      • Excellent
      • for outdoor DIY projects
      • Precip: 80%
      • Hours of Precip: 15
      • Hi RealFeel: 72°
      More
    • Thu

      Sep 29

      72° /58°
      Mostly cloudy, showers around
      • Fair
      • for outdoor DIY projects
      • Precip: 71%
      • Hours of Precip: 7.5
      • Hi RealFeel: 72°
      More
    • Fri

      Sep 30

      70° /56°
      Downpours in the morning
      • Good
      • for outdoor DIY projects
      • Precip: 79%
      • Hours of Precip: 6.5
      • Hi RealFeel: 69°
      More
    Tuesday
    9am
    10am
    11am
    12pm
    1pm
    2pm
    3pm
    4pm
    Forecast Mostly Cloudy Partly Cloudy Partly Cloudy Partly Sunny Partly Sunny Mostly Sunny Mostly Sunny Mostly Sunny
    Temp (°F) 60° 62° 64° 66° 68° 70° 70° 72°
    RealFeel® 62° 66° 71° 73° 75° 76° 75° 74°
    Wind (mph) 5 NW 5 NW 4 NW 4 NW 4 WNW 4 SSW 4 S 5 S
    precip
    9am
    10am
    11am
    12pm
    1pm
    2pm
    3pm
    4pm
    Rain
    20%
    20%
    20%
    20%
    15%
    5%
    5%
    5%
    Snow
    0%
    0%
    0%
    0%
    0%
    0%
    0%
    0%
    Ice
    0%
    0%
    0%
    0%
    0%
    0%
    0%
    0%
    SKY
    9am
    10am
    11am
    12pm
    1pm
    2pm
    3pm
    4pm
    UV Index 1 2 3 4 5 4 3 2
    Cloud Cover 78% 66% 54% 42% 30% 25% 25% 25%
    Humidity 85% 75% 69% 63% 57% 54% 51% 50%
    Dew Point 55° 54° 53° 53° 52° 52° 51° 52°
    Temp °F
    9am
    10am
    11am
    12pm
    1pm
    2pm
    3pm
    4pm
    75° 70° 65° 60°

    Temperature History

    more Historical Weather Data >
      Today Normal Record 9/27/2015
    High 72° 71° N/A 72°
    Low 52° 55° N/A 57°

    Sunrise/Sunset

    • Sunrise: 7:02 AM
    • Sunset: 6:56 PM
    • Duration: 11:54 hr

    Moonrise/Moonset

    • Moonrise: 3:40 AM
    • Moonset: 5:20 PM
    • Duration: 13:40 hr
    Astronomy

    Rockville Weather Report

    Rounds of rain to frequent northeastern US this week

    September 26, 2016; 7:29 AM ET

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

    Tue. Outdoor DIY Projects

    Tue. Wind Maps

    Tue. UV Index