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.

Overcast

29°F

-2°C

Humidity 51%
Wind Speed NE 6 mph
Barometer 30.26 in (1026.6 mb)
Dewpoint 13°F (-11°C)
Visibility 10.00 mi
Wind Chill23°F (-5°C)
Last update 5 Dec 1:56 am EST
Extended Forecast for

Damascus MD

Winter Weather Advisory December 5, 04:00am until December 5, 04:00pm
Click here for hazard details and duration
Winter Weather Advisory

  • Overnight

    Overnight: A chance of snow after 4am. Mostly cloudy, with a low around 20. East wind around 7 mph. Chance of precipitation is 40%.

    Low: 20 °F

    Chance Snow

  • Friday

    Friday: Snow likely, mainly before 8am. Cloudy, with a high near 30. Southeast wind around 5 mph becoming calm in the afternoon. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 30 °F

    Snow Likely
    then Chance
    Snow

  • Friday Night

    Friday Night: Patchy fog after 5am. Otherwise, mostly cloudy, with a low around 23. Calm wind.

    Low: 23 °F

    Mostly Cloudy
    then Patchy
    Fog

  • Saturday

    Saturday: Partly sunny, with a high near 40. Calm wind becoming southwest around 5 mph.

    High: 40 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 25. Light and variable wind.

    Low: 25 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 39.

    High: 39 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 24.

    Low: 24 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 31.

    High: 31 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 17.

    Low: 17 °F

    Mostly Clear

Detailed Forecast

Overnight
A chance of snow after 4am. Mostly cloudy, with a low around 20. East wind around 7 mph. Chance of precipitation is 40%.
Friday
Snow likely, mainly before 8am. Cloudy, with a high near 30. Southeast wind around 5 mph becoming calm in the afternoon. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Friday Night
Patchy fog after 5am. Otherwise, mostly cloudy, with a low around 23. Calm wind.
Saturday
Partly sunny, with a high near 40. Calm wind becoming southwest around 5 mph.
Saturday Night
Partly cloudy, with a low around 25. Light and variable wind.
Sunday
Mostly cloudy, with a high near 39.
Sunday Night
Mostly cloudy, with a low around 24.
Monday
Mostly sunny, with a high near 31.
Monday Night
Mostly clear, with a low around 17.
Tuesday
Mostly sunny, with a high near 35.
Tuesday Night
Mostly cloudy, with a low around 28.
Wednesday
Mostly cloudy, with a high near 43.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 34. Chance of precipitation is 40%.
Thursday
A chance of rain. Partly sunny, with a high near 41. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Damascus MD
 39.29°N 77.22°W (Elev. 764 ft)
Last Update:
12:53 am EST Dec 5, 2025
Forecast Valid:
2am EST Dec 5, 2025-6pm EST Dec 11, 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