Current conditions at

Gaithersburg - Montgomery County Airport (KGAI)

Lat: 39.17°NLon: 77.17°WElev: 495ft.

Overcast

28°F

-2°C

Humidity 96%
Wind Speed Calm
Barometer 30.04 in (1019.4 mb)
Dewpoint 27°F (-3°C)
Visibility 9.00 mi
Last update 5 Dec 7:56 pm EST
Extended Forecast for

Ashton MD

Winter Weather Advisory December 5, 08:13pm until December 6, 01:00am
Click here for hazard details and duration
Winter Weather Advisory
  •  
    Winter Weather Advisory December 5, 08:13pm until December 6, 01:00am

    NOW until 1:00am Sat

    Winter Weather Advisory

  • Tonight

    Low: 25 °F

    Freezing Rain
    and Patchy
    Fog

  • Saturday

    Saturday: Patchy fog before 10am.  Otherwise, partly sunny, with a high near 42. Calm wind becoming west around 5 mph.

    High: 42 °F

    Patchy Fog
    then Partly
    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 24. Calm wind.

    Low: 24 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 42. Calm wind becoming southeast around 5 mph.

    High: 42 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 25. Calm wind becoming northwest 5 to 7 mph after midnight.

    Low: 25 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 33.

    High: 33 °F

    Partly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 18.

    Low: 18 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 36.

    High: 36 °F

    Mostly Sunny

Detailed Forecast

Tonight
Freezing rain, mainly before 1am. Patchy fog. Low around 25. Calm wind. Chance of precipitation is 80%. Total nighttime ice accumulation of less than a 0.1 of an inch possible.
Saturday
Patchy fog before 10am. Otherwise, partly sunny, with a high near 42. Calm wind becoming west around 5 mph.
Saturday Night
Partly cloudy, with a low around 24. Calm wind.
Sunday
Partly sunny, with a high near 42. Calm wind becoming southeast around 5 mph.
Sunday Night
Mostly cloudy, with a low around 25. Calm wind becoming northwest 5 to 7 mph after midnight.
Monday
Partly sunny, with a high near 33.
Monday Night
Partly cloudy, with a low around 18.
Tuesday
Mostly sunny, with a high near 36.
Tuesday Night
Mostly cloudy, with a low around 28.
Wednesday
Mostly cloudy, with a high near 45.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 33. Chance of precipitation is 30%.
Thursday
Partly sunny, with a high near 43.
Thursday Night
Mostly cloudy, with a low around 28.
Friday
Partly sunny, with a high near 40.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Ashton MD
 39.15°N 77.01°W (Elev. 449 ft)
6:53 pm EST Dec 5, 2025
8pm EST Dec 5, 2025-6pm EST Dec 12, 2025
 
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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