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

58°F

14°C

Humidity 90%
Wind Speed Vrbl 6 mph
Barometer 29.90 in (1013.8 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 21 Mar 9:56 am EDT
Extended Forecast for

2 Miles SSW Damascus MD

  • Today

    Today: Sunny, with a high near 63. North wind 6 to 8 mph.

    High: 63 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 47. South wind 5 to 7 mph.

    Low: 47 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 79. Southwest wind 7 to 10 mph, with gusts as high as 18 mph.

    High: 79 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: A chance of rain before 11pm, then a chance of rain and thunderstorms between 11pm and 2am, then rain and possibly a thunderstorm after 2am. Low around 48. Southwest wind around 9 mph becoming north after midnight. Winds could gust as high as 18 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 48 °F

    Chance Rain
    then Rain

  • Monday

    Monday: Rain, mainly before 8am. High near 53. North wind around 15 mph, with gusts as high as 24 mph. Chance of precipitation is 80%.

    High: 53 °F

    Rain then
    Chance Rain

  • Monday Night

    Monday Night: Mostly clear, with a low around 30.

    Low: 30 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 48.

    High: 48 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 36.

    Low: 36 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 56.

    High: 56 °F

    Partly Sunny

Detailed Forecast

Today
Sunny, with a high near 63. North wind 6 to 8 mph.
Tonight
Partly cloudy, with a low around 47. South wind 5 to 7 mph.
Sunday
Partly sunny, with a high near 79. Southwest wind 7 to 10 mph, with gusts as high as 18 mph.
Sunday Night
A chance of rain before 11pm, then a chance of rain and thunderstorms between 11pm and 2am, then rain and possibly a thunderstorm after 2am. Low around 48. Southwest wind around 9 mph becoming north after midnight. Winds could gust as high as 18 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday
Rain, mainly before 8am. High near 53. North wind around 15 mph, with gusts as high as 24 mph. Chance of precipitation is 80%.
Monday Night
Mostly clear, with a low around 30.
Tuesday
Sunny, with a high near 48.
Tuesday Night
Mostly cloudy, with a low around 36.
Wednesday
Partly sunny, with a high near 56.
Wednesday Night
Mostly cloudy, with a low around 41.
Thursday
Partly sunny, with a high near 62.
Thursday Night
A chance of rain. Mostly cloudy, with a low around 46. Chance of precipitation is 50%.
Friday
A chance of rain. Partly sunny, with a high near 55. Chance of precipitation is 30%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SSW Damascus MD
 39.24°N 77.22°W (Elev. 653 ft)
Last Update:
7:53 am EDT Mar 21, 2026
Forecast Valid:
10am EDT Mar 21, 2026-6pm EDT Mar 27, 2026
 
Forecast Discussion
 
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Additional Resources

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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