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.

Overcast

29°F

-2°C

Humidity 96%
Wind Speed Calm
Barometer 30.06 in (1019.9 mb)
Dewpoint 28°F (-2°C)
Visibility 9.00 mi
Last update 7 Dec 9:56 pm EST
Extended Forecast for

Rockville MD

  • Tonight

    Tonight: Cloudy, with a low around 25. Calm wind becoming north 5 to 9 mph after midnight.

    Low: 25 °F

    Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 31. Northeast wind 8 to 10 mph, with gusts as high as 20 mph.

    High: 31 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 17. North wind around 5 mph becoming calm in the evening.

    Low: 17 °F

    Decreasing
    Clouds

  • Tuesday

    Tuesday: Mostly sunny, with a high near 36. Calm wind becoming south 5 to 9 mph in the afternoon.

    High: 36 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 30. South wind 7 to 9 mph, with gusts as high as 18 mph.

    Low: 30 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 48.

    High: 48 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 33.

    Low: 33 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 43.

    High: 43 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: A chance of rain and snow. Mostly cloudy, with a low around 29. Chance of precipitation is 40%.

    Low: 29 °F

    Chance
    Rain/Snow

Detailed Forecast

Tonight
Cloudy, with a low around 25. Calm wind becoming north 5 to 9 mph after midnight.
Monday
Mostly cloudy, with a high near 31. Northeast wind 8 to 10 mph, with gusts as high as 20 mph.
Monday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 17. North wind around 5 mph becoming calm in the evening.
Tuesday
Mostly sunny, with a high near 36. Calm wind becoming south 5 to 9 mph in the afternoon.
Tuesday Night
Mostly cloudy, with a low around 30. South wind 7 to 9 mph, with gusts as high as 18 mph.
Wednesday
Mostly cloudy, with a high near 48.
Wednesday Night
Mostly cloudy, with a low around 33.
Thursday
Partly sunny, with a high near 43.
Thursday Night
A chance of rain and snow. Mostly cloudy, with a low around 29. Chance of precipitation is 40%.
Friday
A chance of rain and snow before 1pm. Partly sunny, with a high near 38. Chance of precipitation is 30%.
Friday Night
A chance of snow. Mostly cloudy, with a low around 20. Chance of precipitation is 30%.
Saturday
Mostly sunny, with a high near 32.
Saturday Night
Partly cloudy, with a low around 19.
Sunday
Mostly sunny, with a high near 30.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Rockville MD
 39.08°N 77.16°W (Elev. 430 ft)
Last Update:
9:53 pm EST Dec 7, 2025
Forecast Valid:
10pm EST Dec 7, 2025-6pm EST Dec 14, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation