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.

N/A

Humidity NA
Wind Speed NA
Barometer NA
Dewpoint N/A
Visibility NA
Last update *** Not a current observation ***
Extended Forecast for

Glenelg MD

  • Overnight

    Overnight: Partly cloudy, with a low around 29. Northwest wind around 14 mph, with gusts as high as 28 mph.

    Low: 29 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 35. West wind 15 to 17 mph, with gusts as high as 31 mph.

    High: 35 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Increasing clouds, with a low around 23. West wind 6 to 9 mph, with gusts as high as 18 mph.

    Low: 23 °F

    Increasing
    Clouds

  • Friday

    Friday: A slight chance of snow after 1pm. Partly sunny, with a high near 36. West wind around 6 mph becoming calm in the afternoon. Chance of precipitation is 20%.

    High: 36 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Friday Night

    Friday Night: A chance of snow, mainly before 1am. Mostly cloudy, with a low around 25. Calm wind. Chance of precipitation is 30%.

    Low: 25 °F

    Chance Snow

  • Saturday

    Saturday: Mostly cloudy, with a high near 41.

    High: 41 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Snow, mainly after 1am. Low around 22. Chance of precipitation is 80%.

    Low: 22 °F

    Chance Snow
    then Snow

  • Sunday

    Sunday: A chance of snow before 1pm. Partly sunny, with a high near 29. Chance of precipitation is 40%.

    High: 29 °F

    Chance Snow

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 16.

    Low: 16 °F

    Mostly Clear

Detailed Forecast

Overnight
Partly cloudy, with a low around 29. Northwest wind around 14 mph, with gusts as high as 28 mph.
Thursday
Mostly sunny, with a high near 35. West wind 15 to 17 mph, with gusts as high as 31 mph.
Thursday Night
Increasing clouds, with a low around 23. West wind 6 to 9 mph, with gusts as high as 18 mph.
Friday
A slight chance of snow after 1pm. Partly sunny, with a high near 36. West wind around 6 mph becoming calm in the afternoon. Chance of precipitation is 20%.
Friday Night
A chance of snow, mainly before 1am. Mostly cloudy, with a low around 25. Calm wind. Chance of precipitation is 30%.
Saturday
Mostly cloudy, with a high near 41.
Saturday Night
Snow, mainly after 1am. Low around 22. Chance of precipitation is 80%.
Sunday
A chance of snow before 1pm. Partly sunny, with a high near 29. Chance of precipitation is 40%.
Sunday Night
Mostly clear, with a low around 16.
Monday
Mostly sunny, with a high near 29.
Monday Night
Partly cloudy, with a low around 17.
Tuesday
Mostly sunny, with a high near 35.
Tuesday Night
Partly cloudy, with a low around 22.
Wednesday
Partly sunny, with a high near 40.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Glenelg MD
 39.26°N 76.99°W (Elev. 597 ft)
Last Update:
12:53 am EST Dec 11, 2025
Forecast Valid:
2am EST Dec 11, 2025-6pm EST Dec 17, 2025
 
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