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

38°F

3°C

Humidity 100%
Wind Speed Vrbl 7 G 17 mph
Barometer 29.71 in (1008.0 mb)
Dewpoint 38°F (3°C)
Visibility 10.00 mi
Wind Chill33°F (1°C)
Last update 2 Dec 2:56 pm EST
Extended Forecast for

Glenwood MD

  • This Afternoon

    This Afternoon: A slight chance of rain before 4pm. Partly sunny, with a high near 38. Northwest wind 7 to 9 mph. Chance of precipitation is 20%.

    High: 38 °F

    Slight Chance
    Rain

  • Tonight

    Tonight: Mostly clear, with a low around 25. Northwest wind 10 to 13 mph, with gusts as high as 23 mph.

    Low: 25 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 39. Northwest wind 5 to 9 mph becoming light west in the afternoon.

    High: 39 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 25. Calm wind.

    Low: 25 °F

    Mostly Clear

  • Thursday

    Thursday: Partly sunny, with a high near 39. West wind 5 to 13 mph, with gusts as high as 22 mph.

    High: 39 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 17.

    Low: 17 °F

    Partly Cloudy

  • Friday

    Friday: A chance of snow after 1pm. Partly sunny, with a high near 32. Chance of precipitation is 30%.

    High: 32 °F

    Partly Sunny
    then Chance
    Snow

  • Friday Night

    Friday Night: A chance of snow before 1am. Mostly cloudy, with a low around 23. Chance of precipitation is 40%.

    Low: 23 °F

    Chance Snow

  • Saturday

    Saturday: Partly sunny, with a high near 40.

    High: 40 °F

    Partly Sunny

Detailed Forecast

This Afternoon
A slight chance of rain before 4pm. Partly sunny, with a high near 38. Northwest wind 7 to 9 mph. Chance of precipitation is 20%.
Tonight
Mostly clear, with a low around 25. Northwest wind 10 to 13 mph, with gusts as high as 23 mph.
Wednesday
Sunny, with a high near 39. Northwest wind 5 to 9 mph becoming light west in the afternoon.
Wednesday Night
Mostly clear, with a low around 25. Calm wind.
Thursday
Partly sunny, with a high near 39. West wind 5 to 13 mph, with gusts as high as 22 mph.
Thursday Night
Partly cloudy, with a low around 17.
Friday
A chance of snow after 1pm. Partly sunny, with a high near 32. Chance of precipitation is 30%.
Friday Night
A chance of snow before 1am. Mostly cloudy, with a low around 23. Chance of precipitation is 40%.
Saturday
Partly sunny, with a high near 40.
Saturday Night
Mostly cloudy, with a low around 25.
Sunday
Partly sunny, with a high near 38.
Sunday Night
Mostly cloudy, with a low around 22.
Monday
Partly sunny, with a high near 32.
Monday Night
Partly cloudy, with a low around 17.
Tuesday
Partly sunny, with a high near 33.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Glenwood MD
 39.29°N 77.01°W (Elev. 600 ft)
Last Update:
3:28 pm EST Dec 2, 2025
Forecast Valid:
3pm EST Dec 2, 2025-6pm EST Dec 9, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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