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    • Today

      Sep 28

      71° /65°F
      Rain and a thunderstorm
      • Lawn Mowing
        • Lawn Mowing
        • Soil Moisture
        • Field Readiness
        • Composting
      • Poor
      • for lawn mowing
      • Hours of Precip: 14
      • Precip: 87%
      • Hi RealFeel: 69°
    • Thu

      Sep 29

      70° /63°
      Heavy rain and a thunderstorm
      • Poor
      • for lawn mowing
      • Hours of Precip: 10
      • Precip: 76%
      • Hi RealFeel: 69°
      More
    • Fri

      Sep 30

      70° /64°
      Cloudy, showers around; windy
      • Fair
      • for lawn mowing
      • Hours of Precip: 4.5
      • Precip: 72%
      • Hi RealFeel: 67°
      More
    • Sat

      Oct 1

      77° /60°
      Warmer with a passing shower
      • Good
      • for lawn mowing
      • Hours of Precip: 1
      • Precip: 55%
      • Hi RealFeel: 82°
      More
    • Sun

      Oct 2

      77° /57°
      A couple of afternoon showers
      • Excellent
      • for lawn mowing
      • Hours of Precip: 3
      • Precip: 60%
      • Hi RealFeel: 79°
      More
    Wednesday
    2pm
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    9pm
    Forecast Rain Rain Rain Rain Cloudy Rain Cloudy Cloudy
    Temp (°F) 69° 70° 71° 71° 70° 68° 67° 66°
    RealFeel® 67° 68° 68° 67° 69° 65° 67° 66°
    Wind (mph) 7 NE 7 NE 7 NE 7 ENE 7 E 7 E 8 ESE 8 ESE
    precip
    2pm
    3pm
    4pm
    5pm
    6pm
    7pm
    8pm
    9pm
    Rain
    55%
    53%
    60%
    51%
    49%
    51%
    49%
    49%
    Snow
    0%
    0%
    0%
    0%
    0%
    0%
    0%
    0%
    Ice
    0%
    0%
    0%
    0%
    0%
    0%
    0%
    0%
    SKY
    2pm
    3pm
    4pm
    5pm
    6pm
    7pm
    8pm
    9pm
    UV Index 2 1 1 0 0 0 0 0
    Cloud Cover 98% 99% 96% 99% 100% 100% 100% 99%
    Humidity 83% 82% 84% 83% 88% 93% 96% 97%
    Dew Point 63° 64° 65° 65° 66° 66° 66° 66°
    Temp °F
    2pm
    3pm
    4pm
    5pm
    6pm
    7pm
    8pm
    9pm
    75° 70° 65°

    Temperature History

    more Historical Weather Data >
      Today Normal Record 9/28/2015
    High 71° 71° N/A 81°
    Low 65° 55° N/A 63°

    Sunrise/Sunset

    • Sunrise: 7:02 AM
    • Sunset: 6:55 PM
    • Duration: 11:53 hr

    Moonrise/Moonset

    • Moonrise: 4:39 AM
    • Moonset: 5:54 PM
    • Duration: 13:15 hr
    Astronomy

    Rockville Weather Report

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

    September 28, 2016; 10:09 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 >

    Current Drought Status

    Current Soil Conditions

    Wed. Overnight Freeze

    Wed. Degree Days

    Wed. Evapotranspiration