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    • Today

      Sep 28

      72° /65°F
      Rain and a thunderstorm
      • Neutral
      • weather for arthritis pain
      • Rain: 2.22 in
      • Hours of Precip: 12
      • UV: 2 - Low
    • Thu

      Sep 29

      70° /63°
      Heavy rain and a thunderstorm
      • Neutral
      • weather for arthritis pain
      • Rain: 1.36 in
      • Hours of Precip: 10
      • UV: 2 - Low
      More
    • Fri

      Sep 30

      70° /64°
      Cloudy, showers around; windy
      • Beneficial
      • weather for arthritis pain
      • Rain: 0.34 in
      • Hours of Precip: 4.5
      • UV: 2 - Low
      More
    • Sat

      Oct 1

      77° /60°
      Warmer with a passing shower
      • Beneficial
      • weather for arthritis pain
      • Rain: 0.04 in
      • Hours of Precip: 1
      • UV: 2 - Low
      More
    • Sun

      Oct 2

      77° /57°
      A couple of afternoon showers
      • Beneficial
      • weather for arthritis pain
      • Rain: 0.16 in
      • Hours of Precip: 3
      • UV: 4 - Moderate
      More
    Wednesday
    11am
    12pm
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    4pm
    5pm
    6pm
    Forecast Cloudy Showers Showers Rain Cloudy Rain Rain Cloudy
    Temp (°F) 66° 68° 70° 71° 72° 72° 71° 70°
    RealFeel® 66° 67° 68° 69° 73° 70° 68° 70°
    Wind (mph) 7 E 7 ENE 7 ENE 7 E 7 E 7 ESE 7 ESE 7 ESE
    precip
    11am
    12pm
    1pm
    2pm
    3pm
    4pm
    5pm
    6pm
    Rain
    49%
    57%
    60%
    64%
    49%
    64%
    61%
    49%
    Snow
    0%
    0%
    0%
    0%
    0%
    0%
    0%
    0%
    Ice
    0%
    0%
    0%
    0%
    0%
    0%
    0%
    0%
    SKY
    11am
    12pm
    1pm
    2pm
    3pm
    4pm
    5pm
    6pm
    UV Index 2 2 2 2 1 1 0 0
    Cloud Cover 99% 99% 90% 95% 95% 96% 99% 100%
    Humidity 83% 81% 79% 77% 76% 79% 81% 86%
    Dew Point 61° 63° 63° 63° 64° 65° 65° 66°
    Temp °F
    11am
    12pm
    1pm
    2pm
    3pm
    4pm
    5pm
    6pm
    75° 70° 65°

    Temperature History

    more Historical Weather Data >
      Today Normal Record 9/28/2015
    High 72° 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 >

    Wed. Arthritis Pain

    Wed. UV Index