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

37°F

3°C

Humidity 42%
Wind Speed W 16 G 29 mph
Barometer 30.16 in (1023.1 mb)
Dewpoint 16°F (-9°C)
Visibility 10.00 mi
Wind Chill28°F (-2°C)
Last update 28 Nov 1:56 pm EST
Extended Forecast for

Washington Grove MD

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 40. West wind 16 to 18 mph, with gusts as high as 34 mph.

    High: 40 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 25. West wind 7 to 10 mph, with gusts as high as 20 mph.

    Low: 25 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 41. West wind around 6 mph becoming calm in the afternoon.

    High: 41 °F

    Sunny

  • Saturday Night

    Saturday Night: Increasing clouds, with a low around 29. Calm wind becoming south around 6 mph after midnight.

    Low: 29 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Rain and snow likely, becoming all rain after 10am. Cloudy, with a high near 44. South wind 6 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.

    High: 44 °F

    Rain/Snow
    Likely then
    Rain Likely

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 29.

    Low: 29 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 41.

    High: 41 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A chance of snow after 1am. Mostly cloudy, with a low around 28. Chance of precipitation is 40%.

    Low: 28 °F

    Mostly Cloudy
    then Chance
    Snow

  • Tuesday

    Tuesday: Rain and snow likely, becoming all rain after 1pm. Cloudy, with a high near 37. Chance of precipitation is 70%.

    High: 37 °F

    Rain/Snow
    Likely

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 40. West wind 16 to 18 mph, with gusts as high as 34 mph.
Tonight
Mostly clear, with a low around 25. West wind 7 to 10 mph, with gusts as high as 20 mph.
Saturday
Sunny, with a high near 41. West wind around 6 mph becoming calm in the afternoon.
Saturday Night
Increasing clouds, with a low around 29. Calm wind becoming south around 6 mph after midnight.
Sunday
Rain and snow likely, becoming all rain after 10am. Cloudy, with a high near 44. South wind 6 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
Sunday Night
Mostly cloudy, with a low around 29.
Monday
Mostly sunny, with a high near 41.
Monday Night
A chance of snow after 1am. Mostly cloudy, with a low around 28. Chance of precipitation is 40%.
Tuesday
Rain and snow likely, becoming all rain after 1pm. Cloudy, with a high near 37. Chance of precipitation is 70%.
Tuesday Night
A chance of rain before 1am. Partly cloudy, with a low around 27. Chance of precipitation is 30%.
Wednesday
Mostly sunny, with a high near 39.
Wednesday Night
Partly cloudy, with a low around 25.
Thursday
Partly sunny, with a high near 42.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Washington Grove MD
 39.13°N 77.18°W (Elev. 459 ft)
Last Update:
12:53 pm EST Nov 28, 2025
Forecast Valid:
2pm EST Nov 28, 2025-6pm EST Dec 4, 2025
 
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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