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.

N/A

Humidity NA
Wind Speed NA
Barometer NA
Dewpoint N/A
Visibility NA
Last update *** Not a current observation ***
Extended Forecast for

Rockville MD

  • This Afternoon

    This Afternoon: Sunny, with a high near 36. West wind 14 to 16 mph, with gusts as high as 30 mph.

    High: 36 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 25. West wind 5 to 8 mph.

    Low: 25 °F

    Increasing
    Clouds

  • Friday

    Friday: A slight chance of snow after 1pm. Partly sunny, with a high near 37. West wind 3 to 6 mph. Chance of precipitation is 20%.

    High: 37 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Friday Night

    Friday Night: A chance of snow, mainly before 1am. Mostly cloudy, with a low around 27. Calm wind. Chance of precipitation is 30%.

    Low: 27 °F

    Chance Snow

  • Saturday

    Saturday: Mostly cloudy, with a high near 42. Calm wind becoming west 5 to 8 mph in the morning.

    High: 42 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Snow, possibly mixed with rain, becoming all snow after 4am. Low around 23. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.

    Low: 23 °F

    Chance
    Rain/Snow
    then
    Rain/Snow

  • Sunday

    Sunday: A chance of snow before 1pm. Partly sunny, with a high near 30. Chance of precipitation is 30%.

    High: 30 °F

    Chance Snow

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 18.

    Low: 18 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 31.

    High: 31 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 36. West wind 14 to 16 mph, with gusts as high as 30 mph.
Tonight
Increasing clouds, with a low around 25. West wind 5 to 8 mph.
Friday
A slight chance of snow after 1pm. Partly sunny, with a high near 37. West wind 3 to 6 mph. Chance of precipitation is 20%.
Friday Night
A chance of snow, mainly before 1am. Mostly cloudy, with a low around 27. Calm wind. Chance of precipitation is 30%.
Saturday
Mostly cloudy, with a high near 42. Calm wind becoming west 5 to 8 mph in the morning.
Saturday Night
Snow, possibly mixed with rain, becoming all snow after 4am. Low around 23. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.
Sunday
A chance of snow before 1pm. Partly sunny, with a high near 30. Chance of precipitation is 30%.
Sunday Night
Mostly clear, with a low around 18.
Monday
Mostly sunny, with a high near 31.
Monday Night
Partly cloudy, with a low around 19.
Tuesday
Mostly sunny, with a high near 37.
Tuesday Night
Partly cloudy, with a low around 24.
Wednesday
Partly sunny, with a high near 42.
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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 am EST Dec 11, 2025
Forecast Valid:
12pm EST Dec 11, 2025-6pm EST Dec 17, 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