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

22°F

-6°C

Humidity 68%
Wind Speed Calm
Barometer 30.00 in (1018.2 mb)
Dewpoint 13°F (-11°C)
Visibility 10.00 mi
Last update 3 Jan 6:56 am EST
Extended Forecast for

Garrett Park MDSimilar City Names

  • Today

    Today: Mostly cloudy, with a high near 35. Light and variable wind.

    High: 35 °F

    Mostly Cloudy

  • Tonight

    Tonight: A slight chance of snow before 10pm. Cloudy, then gradually becoming partly cloudy, with a low around 26. Calm wind. Chance of precipitation is 20%.

    Low: 26 °F

    Slight Chance
    Snow then
    Mostly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 39. Light northwest wind increasing to 6 to 11 mph in the morning. Winds could gust as high as 21 mph.

    High: 39 °F

    Sunny

  • Sunday Night

    Sunday Night: Increasing clouds, with a low around 24. Northwest wind around 6 mph becoming calm in the evening.

    Low: 24 °F

    Increasing
    Clouds

  • Monday

    Monday: Mostly cloudy, with a high near 40. Calm wind becoming south 5 to 8 mph in the afternoon.

    High: 40 °F

    Mostly Cloudy

  • Monday Night

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

    Low: 31 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 50.

    High: 50 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 39.

    Low: 39 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 58.

    High: 58 °F

    Partly Sunny

Detailed Forecast

Today
Mostly cloudy, with a high near 35. Light and variable wind.
Tonight
A slight chance of snow before 10pm. Cloudy, then gradually becoming partly cloudy, with a low around 26. Calm wind. Chance of precipitation is 20%.
Sunday
Sunny, with a high near 39. Light northwest wind increasing to 6 to 11 mph in the morning. Winds could gust as high as 21 mph.
Sunday Night
Increasing clouds, with a low around 24. Northwest wind around 6 mph becoming calm in the evening.
Monday
Mostly cloudy, with a high near 40. Calm wind becoming south 5 to 8 mph in the afternoon.
Monday Night
Mostly cloudy, with a low around 31.
Tuesday
Mostly cloudy, with a high near 50.
Tuesday Night
Mostly cloudy, with a low around 39.
Wednesday
Partly sunny, with a high near 58.
Wednesday Night
Partly cloudy, with a low around 37.
Thursday
Partly sunny, with a high near 54.
Thursday Night
A chance of rain. Mostly cloudy, with a low around 45. Chance of precipitation is 30%.
Friday
A chance of rain. Mostly cloudy, with a high near 62. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Garrett Park MDSimilar City Names
 39.03°N 77.09°W (Elev. 249 ft)
Last Update:
6:53 am EST Jan 3, 2026
Forecast Valid:
7am EST Jan 3, 2026-6pm EST Jan 9, 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

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation