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

52°F

11°C

Humidity 40%
Wind Speed SW 13 G 22 mph
Barometer 29.74 in (1008.8 mb)
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Wind Chill48°F (9°C)
Last update 13 Mar 8:56 pm EDT
Extended Forecast for

Damascus MD

  • Tonight

    Tonight: Mostly clear, with a low around 39. West wind 13 to 17 mph, with gusts as high as 31 mph.

    Low: 39 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 52. Breezy, with a west wind 13 to 20 mph, with gusts as high as 31 mph.

    High: 52 °F

    Sunny and
    Breezy

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 37. Light and variable wind becoming east around 6 mph after midnight.

    Low: 37 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 55. Southeast wind 9 to 16 mph, with gusts as high as 25 mph.

    High: 55 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Rain. Low around 51. Southeast wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 100%.

    Low: 51 °F

    Rain Likely
    then Rain

  • Monday

    Monday: Rain before 8am, then showers likely between 8am and 2pm, then showers and possibly a thunderstorm after 2pm. High near 65. Breezy. Chance of precipitation is 100%.

    High: 65 °F

    Showers and
    Breezy

  • Monday Night

    Monday Night: Rain, possibly mixed with snow showers, mainly before 2am. Some thunder is also possible. Low around 28. Breezy. Chance of precipitation is 80%.

    Low: 28 °F

    Rain/Snow and
    Breezy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 34.

    High: 34 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 22.

    Low: 22 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 39. West wind 13 to 17 mph, with gusts as high as 31 mph.
Saturday
Sunny, with a high near 52. Breezy, with a west wind 13 to 20 mph, with gusts as high as 31 mph.
Saturday Night
Mostly cloudy, with a low around 37. Light and variable wind becoming east around 6 mph after midnight.
Sunday
Mostly cloudy, with a high near 55. Southeast wind 9 to 16 mph, with gusts as high as 25 mph.
Sunday Night
Rain. Low around 51. Southeast wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 100%.
Monday
Rain before 8am, then showers likely between 8am and 2pm, then showers and possibly a thunderstorm after 2pm. High near 65. Breezy. Chance of precipitation is 100%.
Monday Night
Rain, possibly mixed with snow showers, mainly before 2am. Some thunder is also possible. Low around 28. Breezy. Chance of precipitation is 80%.
Tuesday
Mostly sunny, with a high near 34.
Tuesday Night
Mostly clear, with a low around 22.
Wednesday
Partly sunny, with a high near 40.
Wednesday Night
Mostly cloudy, with a low around 29.
Thursday
Mostly sunny, with a high near 49.
Thursday Night
Partly cloudy, with a low around 36.
Friday
Partly sunny, with a high near 52.
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:
7:53 pm EDT Mar 13, 2026
Forecast Valid:
9pm EDT Mar 13, 2026-6pm EDT Mar 20, 2026
 
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