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

Hazardous Weather Conditions

Current conditions at

Gaithersburg - Montgomery County Airport (KGAI)

Lat: 39.17°NLon: 77.17°WElev: 495ft.

Fog/Mist

28°F

-2°C

Humidity 96%
Wind Speed Calm
Barometer 30.06 in (1019.8 mb)
Dewpoint 27°F (-3°C)
Visibility 6.00 mi
Last update 7 Dec 10:56 pm EST
Extended Forecast for

Glenwood MD

  • Tonight

    Tonight: Mostly cloudy, with a low around 24. Calm wind becoming north 5 to 9 mph after midnight. Winds could gust as high as 18 mph.

    Low: 24 °F

    Mostly Cloudy

  • Monday

    Monday: A slight chance of snow between 9am and noon. Cloudy, with a high near 29. Northeast wind 8 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.

    High: 29 °F

    Slight Chance
    Snow then
    Cloudy

  • Monday Night

    Monday Night: Cloudy during the early evening, then gradual clearing, with a low around 14. Northeast wind around 6 mph becoming calm in the evening.

    Low: 14 °F

    Gradual
    Clearing

  • Tuesday

    Tuesday: Mostly sunny, with a high near 33. Calm wind becoming south 5 to 9 mph in the afternoon.

    High: 33 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 28. South wind around 8 mph, with gusts as high as 18 mph.

    Low: 28 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A chance of rain and snow before 10am, then a chance of rain. Cloudy, with a high near 46. Chance of precipitation is 30%.

    High: 46 °F

    Chance
    Rain/Snow
    then Chance
    Rain

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 31.

    Low: 31 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 39.

    High: 39 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 25.

    Low: 25 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 24. Calm wind becoming north 5 to 9 mph after midnight. Winds could gust as high as 18 mph.
Monday
A slight chance of snow between 9am and noon. Cloudy, with a high near 29. Northeast wind 8 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Monday Night
Cloudy during the early evening, then gradual clearing, with a low around 14. Northeast wind around 6 mph becoming calm in the evening.
Tuesday
Mostly sunny, with a high near 33. Calm wind becoming south 5 to 9 mph in the afternoon.
Tuesday Night
Mostly cloudy, with a low around 28. South wind around 8 mph, with gusts as high as 18 mph.
Wednesday
A chance of rain and snow before 10am, then a chance of rain. Cloudy, with a high near 46. Chance of precipitation is 30%.
Wednesday Night
Mostly cloudy, with a low around 31.
Thursday
Mostly sunny, with a high near 39.
Thursday Night
Mostly cloudy, with a low around 25.
Friday
Partly sunny, with a high near 38.
Friday Night
A chance of snow. Mostly cloudy, with a low around 21. Chance of precipitation is 40%.
Saturday
Mostly sunny, with a high near 30.
Saturday Night
Partly cloudy, with a low around 17.
Sunday
Mostly sunny, with a high near 29.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Glenwood MD
 39.27°N 77.02°W (Elev. 548 ft)
Last Update:
10:59 pm EST Dec 7, 2025
Forecast Valid:
11pm EST Dec 7, 2025-6pm EST Dec 14, 2025
 
Forecast Discussion
 
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Additional Resources

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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