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

49°F

9°C

Humidity 44%
Wind Speed S 8 mph
Barometer 29.52 in (1001.1 mb)
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Wind Chill46°F (8°C)
Last update 14 Jan 3:56 pm EST
Extended Forecast for

4 Miles W Glenwood MD

  • This Afternoon

    This Afternoon: Cloudy, with a high near 51. South wind around 7 mph.

    High: 51 °F

    Cloudy

  • Tonight

    Tonight: Rain likely, mainly before 1am. Cloudy, then gradually becoming partly cloudy, with a low around 26. Blustery, with a west wind 7 to 12 mph becoming northwest 15 to 20 mph after midnight. Winds could gust as high as 33 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 26 °F

    Rain Likely
    and Blustery

  • Thursday

    Thursday: Mostly sunny, with a high near 29. Breezy, with a west wind 18 to 20 mph, with gusts as high as 32 mph.

    High: 29 °F

    Mostly Sunny
    and Breezy

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 18. West wind 13 to 16 mph, with gusts as high as 30 mph.

    Low: 18 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 34. West wind 7 to 10 mph becoming south in the afternoon. Winds could gust as high as 20 mph.

    High: 34 °F

    Mostly Sunny

  • Friday Night

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

    Low: 29 °F

    Mostly Cloudy

  • Saturday

    Saturday: A chance of snow showers before 1pm, then a chance of rain and snow showers. Partly sunny, with a high near 42. Chance of precipitation is 40%.

    High: 42 °F

    Chance Snow
    Showers then
    Chance
    Rain/Snow

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 23.

    Low: 23 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 28.

    High: 28 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Cloudy, with a high near 51. South wind around 7 mph.
Tonight
Rain likely, mainly before 1am. Cloudy, then gradually becoming partly cloudy, with a low around 26. Blustery, with a west wind 7 to 12 mph becoming northwest 15 to 20 mph after midnight. Winds could gust as high as 33 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
Mostly sunny, with a high near 29. Breezy, with a west wind 18 to 20 mph, with gusts as high as 32 mph.
Thursday Night
Mostly clear, with a low around 18. West wind 13 to 16 mph, with gusts as high as 30 mph.
Friday
Mostly sunny, with a high near 34. West wind 7 to 10 mph becoming south in the afternoon. Winds could gust as high as 20 mph.
Friday Night
Mostly cloudy, with a low around 29.
Saturday
A chance of snow showers before 1pm, then a chance of rain and snow showers. Partly sunny, with a high near 42. Chance of precipitation is 40%.
Saturday Night
Mostly cloudy, with a low around 23.
Sunday
Partly sunny, with a high near 28.
Sunday Night
Mostly clear, with a low around 15.
M.L.King Day
Sunny, with a high near 32.
Monday Night
Partly cloudy, with a low around 13.
Tuesday
Sunny, with a high near 25.
Tuesday Night
Mostly clear, with a low around 12.
Wednesday
Mostly sunny, with a high near 32.
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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:
3:54 pm EST Jan 14, 2026
Forecast Valid:
4pm EST Jan 14, 2026-6pm EST Jan 21, 2026
 
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