National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Gaithersburg - Montgomery County Airport (KGAI)

Lat: 39.17°NLon: 77.17°WElev: 495ft.

Fair

33°F

1°C

Humidity 54%
Wind Speed NW 6 mph
Barometer 30.22 in (1025.4 mb)
Dewpoint 18°F (-8°C)
Visibility 10.00 mi
Wind Chill27°F (-3°C)
Last update 4 Dec 6:56 pm EST
Extended Forecast for

Ashton MD

Winter Weather Advisory December 5, 04:00am until December 5, 04:00pm
Click here for hazard details and duration
Winter Weather Advisory

  • Tonight

    Tonight: A chance of snow, mainly after 4am. Increasing clouds, with a low around 20. Northwest wind 5 to 7 mph becoming light and variable after midnight. Chance of precipitation is 30%.

    Low: 20 °F

    Partly Cloudy
    then Chance
    Snow

  • Friday

    Friday: Snow likely before 11am, then a chance of snow and freezing rain. Cloudy, with a high near 32. Calm wind becoming southeast around 5 mph. Chance of precipitation is 70%. Little or no ice accumulation expected. New snow accumulation of less than a half inch possible.

    High: 32 °F

    Wintry Mix
    Likely then
    Chance Wintry
    Mix

  • Friday Night

    Friday Night: Patchy fog. Otherwise, mostly cloudy, with a low around 24. Calm wind.

    Low: 24 °F

    Patchy Fog

  • Saturday

    Saturday: Partly sunny, with a high near 42. Light southwest wind.

    High: 42 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 26. Calm wind.

    Low: 26 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 42.

    High: 42 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 25.

    Low: 25 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 34.

    High: 34 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 17.

    Low: 17 °F

    Partly Cloudy

Detailed Forecast

Tonight
A chance of snow, mainly after 4am. Increasing clouds, with a low around 20. Northwest wind 5 to 7 mph becoming light and variable after midnight. Chance of precipitation is 30%.
Friday
Snow likely before 11am, then a chance of snow and freezing rain. Cloudy, with a high near 32. Calm wind becoming southeast around 5 mph. Chance of precipitation is 70%. Little or no ice accumulation expected. New snow accumulation of less than a half inch possible.
Friday Night
Patchy fog. Otherwise, mostly cloudy, with a low around 24. Calm wind.
Saturday
Partly sunny, with a high near 42. Light southwest wind.
Saturday Night
Partly cloudy, with a low around 26. Calm wind.
Sunday
Partly sunny, with a high near 42.
Sunday Night
Mostly cloudy, with a low around 25.
Monday
Mostly sunny, with a high near 34.
Monday Night
Partly cloudy, with a low around 17.
Tuesday
Mostly sunny, with a high near 37.
Tuesday Night
Mostly cloudy, with a low around 27.
Wednesday
Mostly cloudy, with a high near 44.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 32. Chance of precipitation is 40%.
Thursday
Partly sunny, with a high near 43.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Ashton MD
 39.15°N 76.98°W (Elev. 381 ft)
Last Update:
6:53 pm EST Dec 4, 2025
Forecast Valid:
7pm EST Dec 4, 2025-6pm EST Dec 11, 2025
 
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