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

Damascus MD

  • Tonight

    Tonight: Mostly cloudy, with a low around 27. South wind around 11 mph, with gusts as high as 23 mph.

    Low: 27 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A chance of snow before 10am, then a chance of rain. Cloudy, with a high near 43. South wind 13 to 15 mph, with gusts as high as 26 mph. Chance of precipitation is 40%.

    High: 43 °F

    Chance
    Rain/Snow
    then Chance
    Rain

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 29. West wind 10 to 15 mph, with gusts as high as 22 mph.

    Low: 29 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 35. West wind 14 to 16 mph, with gusts as high as 25 mph.

    High: 35 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 24. West wind 6 to 9 mph.

    Low: 24 °F

    Partly Cloudy

  • Friday

    Friday: A chance of snow, mainly after 1pm. Mostly cloudy, with a high near 35. Chance of precipitation is 30%.

    High: 35 °F

    Chance Snow

  • Friday Night

    Friday Night: A chance of snow before 1am. Mostly cloudy, with a low around 27. Chance of precipitation is 40%.

    Low: 27 °F

    Chance Snow

  • Saturday

    Saturday: Partly sunny, with a high near 39.

    High: 39 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A chance of snow after 1am. Mostly cloudy, with a low around 27. Chance of precipitation is 40%.

    Low: 27 °F

    Mostly Cloudy
    then Chance
    Snow

Detailed Forecast

Tonight
Mostly cloudy, with a low around 27. South wind around 11 mph, with gusts as high as 23 mph.
Wednesday
A chance of snow before 10am, then a chance of rain. Cloudy, with a high near 43. South wind 13 to 15 mph, with gusts as high as 26 mph. Chance of precipitation is 40%.
Wednesday Night
Mostly cloudy, with a low around 29. West wind 10 to 15 mph, with gusts as high as 22 mph.
Thursday
Mostly sunny, with a high near 35. West wind 14 to 16 mph, with gusts as high as 25 mph.
Thursday Night
Partly cloudy, with a low around 24. West wind 6 to 9 mph.
Friday
A chance of snow, mainly after 1pm. Mostly cloudy, with a high near 35. Chance of precipitation is 30%.
Friday Night
A chance of snow before 1am. Mostly cloudy, with a low around 27. Chance of precipitation is 40%.
Saturday
Partly sunny, with a high near 39.
Saturday Night
A chance of snow after 1am. Mostly cloudy, with a low around 27. Chance of precipitation is 40%.
Sunday
Mostly sunny, with a high near 34.
Sunday Night
Mostly clear, with a low around 15.
Monday
Mostly sunny, with a high near 30.
Monday Night
Mostly cloudy, with a low around 19.
Tuesday
Mostly sunny, with a high near 33.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Damascus MD
 39.29°N 77.22°W (Elev. 764 ft)
Last Update:
5:48 pm EST Dec 9, 2025
Forecast Valid:
6pm EST Dec 9, 2025-6pm EST Dec 16, 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