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

46°F

8°C

Humidity 73%
Wind Speed NW 6 mph
Barometer 30.02 in (1018.5 mb)
Dewpoint 38°F (3°C)
Visibility 10.00 mi
Wind Chill43°F (6°C)
Last update 7 Jan 7:56 pm EST
Extended Forecast for

Damascus MD

  • Tonight

    Tonight: Partly cloudy, with a low around 34. Northwest wind around 6 mph becoming calm after midnight.

    Low: 34 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 50. Light and variable wind.

    High: 50 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 39. Southeast wind 3 to 8 mph.

    Low: 39 °F

    Mostly Cloudy

  • Friday

    Friday: A chance of rain after 1pm. Mostly cloudy, with a high near 56. South wind 9 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 40%.

    High: 56 °F

    Mostly Cloudy
    then Chance
    Rain

  • Friday Night

    Friday Night: Rain likely, mainly after 1am. Cloudy, with a low around 52. Southwest wind 6 to 9 mph, with gusts as high as 18 mph. Chance of precipitation is 70%.

    Low: 52 °F

    Rain Likely

  • Saturday

    Saturday: Rain. High near 61. Chance of precipitation is 100%.

    High: 61 °F

    Rain

  • Saturday Night

    Saturday Night: Rain likely, mainly before 1am. Cloudy, with a low around 42. Chance of precipitation is 70%.

    Low: 42 °F

    Rain Likely

  • Sunday

    Sunday: Partly sunny, with a high near 46.

    High: 46 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 27.

    Low: 27 °F

    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 34. Northwest wind around 6 mph becoming calm after midnight.
Thursday
Mostly sunny, with a high near 50. Light and variable wind.
Thursday Night
Mostly cloudy, with a low around 39. Southeast wind 3 to 8 mph.
Friday
A chance of rain after 1pm. Mostly cloudy, with a high near 56. South wind 9 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 40%.
Friday Night
Rain likely, mainly after 1am. Cloudy, with a low around 52. Southwest wind 6 to 9 mph, with gusts as high as 18 mph. Chance of precipitation is 70%.
Saturday
Rain. High near 61. Chance of precipitation is 100%.
Saturday Night
Rain likely, mainly before 1am. Cloudy, with a low around 42. Chance of precipitation is 70%.
Sunday
Partly sunny, with a high near 46.
Sunday Night
Partly cloudy, with a low around 27.
Monday
Sunny, with a high near 38.
Monday Night
Partly cloudy, with a low around 26.
Tuesday
Mostly sunny, with a high near 43.
Tuesday Night
Mostly cloudy, with a low around 30.
Wednesday
Partly sunny, with a high near 44.
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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:
6:53 pm EST Jan 7, 2026
Forecast Valid:
8pm EST Jan 7, 2026-6pm EST Jan 14, 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