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.

Rain Fog/Mist

34°F

1°C

Humidity 100%
Wind Speed Calm
Barometer 29.91 in (1014.9 mb)
Dewpoint 34°F (1°C)
Visibility 1.50 mi
Last update 2 Dec 8:56 am EST
Extended Forecast for

4 Miles W Glenwood MD

  • Today

    Today: Rain, mainly before 1pm. Patchy fog before 4pm. High near 39. Calm wind becoming northwest 5 to 7 mph in the afternoon. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    High: 39 °F

    Rain and
    Patchy Fog
    then Rain
    Likely and
    Patchy Fog

  • Tonight

    Tonight: Mostly clear, with a low around 24. Northwest wind 7 to 9 mph, with gusts as high as 20 mph.

    Low: 24 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 40. Northwest wind around 6 mph becoming calm in the afternoon.

    High: 40 °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 40. Light west wind becoming northwest 6 to 11 mph in the morning. Winds could gust as high as 21 mph.

    High: 40 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 16.

    Low: 16 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 33.

    High: 33 °F

    Partly Sunny

  • Friday Night

    Friday Night: A chance of snow. Mostly cloudy, with a low around 24. Chance of precipitation is 30%.

    Low: 24 °F

    Chance Snow

  • Saturday

    Saturday: Partly sunny, with a high near 42.

    High: 42 °F

    Partly Sunny

Detailed Forecast

Today
Rain, mainly before 1pm. Patchy fog before 4pm. High near 39. Calm wind becoming northwest 5 to 7 mph in the afternoon. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Tonight
Mostly clear, with a low around 24. Northwest wind 7 to 9 mph, with gusts as high as 20 mph.
Wednesday
Sunny, with a high near 40. Northwest wind around 6 mph becoming calm in the afternoon.
Wednesday Night
Mostly clear, with a low around 25. Calm wind.
Thursday
Partly sunny, with a high near 40. Light west wind becoming northwest 6 to 11 mph in the morning. Winds could gust as high as 21 mph.
Thursday Night
Partly cloudy, with a low around 16.
Friday
Partly sunny, with a high near 33.
Friday Night
A chance of snow. Mostly cloudy, with a low around 24. Chance of precipitation is 30%.
Saturday
Partly sunny, with a high near 42.
Saturday Night
Mostly cloudy, with a low around 26.
Sunday
Partly sunny, with a high near 40.
Sunday Night
Mostly cloudy, with a low around 22.
Monday
Partly sunny, with a high near 33.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles W Glenwood MD
 39.28°N 77.1°W (Elev. 489 ft)
Last Update:
9:46 am EST Dec 2, 2025
Forecast Valid:
9am EST Dec 2, 2025-6pm EST Dec 8, 2025
 
Forecast Discussion
 
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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