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.

Fog/Mist

26°F

-3°C

Humidity 100%
Wind Speed Calm
Barometer 30.10 in (1021.2 mb)
Dewpoint 26°F (-3°C)
Visibility 5.00 mi
Last update 8 Dec 1:56 am EST
Extended Forecast for

Damascus MD

  • Overnight

    Overnight: Cloudy, with a low around 26. North wind 7 to 10 mph, with gusts as high as 20 mph.

    Low: 26 °F

    Cloudy

  • Monday

    Monday: A slight chance of snow between 10am and noon. Cloudy, with a high near 28. Northeast wind 8 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 20%.

    High: 28 °F

    Slight Chance
    Snow then
    Cloudy

  • Monday Night

    Monday Night: Cloudy during the early evening, then gradual clearing, with a low around 15. Northeast wind around 6 mph becoming calm in the evening.

    Low: 15 °F

    Gradual
    Clearing

  • Tuesday

    Tuesday: Mostly sunny, with a high near 33. Calm wind becoming south 5 to 9 mph in the afternoon. Winds could gust as high as 18 mph.

    High: 33 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 29. South wind around 10 mph, with gusts as high as 20 mph.

    Low: 29 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A chance of rain. Cloudy, with a high near 45. Chance of precipitation is 30%.

    High: 45 °F

    Chance Rain

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 31.

    Low: 31 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 38.

    High: 38 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 26.

    Low: 26 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Cloudy, with a low around 26. North wind 7 to 10 mph, with gusts as high as 20 mph.
Monday
A slight chance of snow between 10am and noon. Cloudy, with a high near 28. Northeast wind 8 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 20%.
Monday Night
Cloudy during the early evening, then gradual clearing, with a low around 15. Northeast wind around 6 mph becoming calm in the evening.
Tuesday
Mostly sunny, with a high near 33. Calm wind becoming south 5 to 9 mph in the afternoon. Winds could gust as high as 18 mph.
Tuesday Night
Mostly cloudy, with a low around 29. South wind around 10 mph, with gusts as high as 20 mph.
Wednesday
A chance of rain. Cloudy, with a high near 45. Chance of precipitation is 30%.
Wednesday Night
Mostly cloudy, with a low around 31.
Thursday
Mostly sunny, with a high near 38.
Thursday Night
Mostly cloudy, with a low around 26.
Friday
Partly sunny, with a high near 37.
Friday Night
A chance of snow. Mostly cloudy, with a low around 21. Chance of precipitation is 40%.
Saturday
Mostly sunny, with a high near 29.
Saturday Night
Partly cloudy, with a low around 17.
Sunday
Mostly sunny, with a high near 27.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Damascus MD
 39.29°N 77.22°W (Elev. 764 ft)
Last Update:
12:53 am EST Dec 8, 2025
Forecast Valid:
2am EST Dec 8, 2025-6pm EST Dec 14, 2025
 
Forecast Discussion
 
Get as KML Get as XML

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