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.

Fair

28°F

-2°C

Humidity 78%
Wind Speed Calm
Barometer 30.15 in (1023.2 mb)
Dewpoint 22°F (-6°C)
Visibility 10.00 mi
Last update 12 Jan 9:56 pm EST
Extended Forecast for

3 Miles WSW Glenwood MD

  • Tonight

    Tonight: Mostly clear, with a low around 29. Calm wind.

    Low: 29 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 48. Calm wind becoming south 5 to 9 mph in the morning.

    High: 48 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 38. Southwest wind 6 to 10 mph.

    Low: 38 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A chance of rain. Cloudy, with a high near 49. Southwest wind around 6 mph. Chance of precipitation is 40%.

    High: 49 °F

    Chance Rain

  • Wednesday Night

    Wednesday Night: Rain likely. Mostly cloudy, with a low around 26. Light and variable wind becoming northwest 5 to 10 mph after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 70%.

    Low: 26 °F

    Rain Likely

  • Thursday

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

    High: 32 °F

    Chance Snow

  • Thursday Night

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

    Low: 16 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 32.

    High: 32 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 23.

    Low: 23 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 29. Calm wind.
Tuesday
Mostly sunny, with a high near 48. Calm wind becoming south 5 to 9 mph in the morning.
Tuesday Night
Mostly cloudy, with a low around 38. Southwest wind 6 to 10 mph.
Wednesday
A chance of rain. Cloudy, with a high near 49. Southwest wind around 6 mph. Chance of precipitation is 40%.
Wednesday Night
Rain likely. Mostly cloudy, with a low around 26. Light and variable wind becoming northwest 5 to 10 mph after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 70%.
Thursday
A chance of snow before 1pm. Partly sunny, with a high near 32. Chance of precipitation is 30%.
Thursday Night
Partly cloudy, with a low around 16.
Friday
Mostly sunny, with a high near 32.
Friday Night
Partly cloudy, with a low around 23.
Saturday
Mostly sunny, with a high near 39.
Saturday Night
Partly cloudy, with a low around 22.
Sunday
Partly sunny, with a high near 31.
Sunday Night
Partly cloudy, with a low around 14.
M.L.King Day
Mostly sunny, with a high near 29.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WSW Glenwood MD
 39.27°N 77.07°W (Elev. 499 ft)
Last Update:
9:53 pm EST Jan 12, 2026
Forecast Valid:
10pm EST Jan 12, 2026-6pm EST Jan 19, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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