National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Gaithersburg - Montgomery County Airport (KGAI)

Lat: 39.17°NLon: 77.17°WElev: 495ft.

Fair

31°F

-1°C

Humidity 92%
Wind Speed Calm
Barometer 29.96 in (1016.3 mb)
Dewpoint 29°F (-2°C)
Visibility 10.00 mi
Last update 6 Jan 5:56 am EST
Extended Forecast for

Rockville MD

  • Today

    Today: Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 50. Calm wind becoming southeast around 6 mph in the afternoon.

    High: 50 °F

    Patchy Fog
    then Mostly
    Cloudy

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming mostly clear, with a low around 43. South wind around 7 mph becoming west after midnight.

    Low: 43 °F

    Decreasing
    Clouds

  • Wednesday

    Wednesday: Mostly sunny, with a high near 55. Northwest wind 7 to 13 mph, with gusts as high as 25 mph.

    High: 55 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 34. Northwest wind around 6 mph becoming calm in the evening.

    Low: 34 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 53. Calm wind becoming south around 6 mph in the afternoon.

    High: 53 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A chance of rain after 1am. Mostly cloudy, with a low around 46. Chance of precipitation is 40%.

    Low: 46 °F

    Mostly Cloudy
    then Chance
    Rain

  • Friday

    Friday: Rain likely, mainly after 1pm. Cloudy, with a high near 63. Chance of precipitation is 60%.

    High: 63 °F

    Rain Likely

  • Friday Night

    Friday Night: Rain likely. Cloudy, with a low around 54. Chance of precipitation is 70%.

    Low: 54 °F

    Rain Likely

  • Saturday

    Saturday: Rain likely, mainly before 1pm. Mostly cloudy, with a high near 62. Chance of precipitation is 70%.

    High: 62 °F

    Rain Likely

Detailed Forecast

Today
Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 50. Calm wind becoming southeast around 6 mph in the afternoon.
Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 43. South wind around 7 mph becoming west after midnight.
Wednesday
Mostly sunny, with a high near 55. Northwest wind 7 to 13 mph, with gusts as high as 25 mph.
Wednesday Night
Mostly clear, with a low around 34. Northwest wind around 6 mph becoming calm in the evening.
Thursday
Mostly sunny, with a high near 53. Calm wind becoming south around 6 mph in the afternoon.
Thursday Night
A chance of rain after 1am. Mostly cloudy, with a low around 46. Chance of precipitation is 40%.
Friday
Rain likely, mainly after 1pm. Cloudy, with a high near 63. Chance of precipitation is 60%.
Friday Night
Rain likely. Cloudy, with a low around 54. Chance of precipitation is 70%.
Saturday
Rain likely, mainly before 1pm. Mostly cloudy, with a high near 62. Chance of precipitation is 70%.
Saturday Night
A chance of rain before 1am. Mostly cloudy, with a low around 36. Chance of precipitation is 30%.
Sunday
Partly sunny, with a high near 42.
Sunday Night
Mostly clear, with a low around 28.
Monday
Mostly sunny, with a high near 43.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Rockville MD
 39.08°N 77.16°W (Elev. 430 ft)
Last Update:
3:53 am EST Jan 6, 2026
Forecast Valid:
6am EST Jan 6, 2026-6pm EST Jan 12, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation