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.

Partly Cloudy

37°F

3°C

Humidity 34%
Wind Speed NW 14 G 25 mph
Barometer 30.01 in (1018.2 mb)
Dewpoint 11°F (-12°C)
Visibility 10.00 mi
Wind Chill28°F (-2°C)
Last update 17 Mar 4:56 pm EDT
Extended Forecast for

Ashton MD

  • This Afternoon

    This Afternoon: Isolated snow showers. Partly sunny, with a high near 40. West wind around 16 mph, with gusts as high as 28 mph. Chance of precipitation is 20%.

    High: 40 °F

    Isolated Snow
    Showers

  • Tonight

    Tonight: Isolated snow showers before 10pm. Partly cloudy, with a low around 24. Northwest wind 8 to 13 mph becoming light after midnight. Winds could gust as high as 23 mph. Chance of precipitation is 20%.

    Low: 24 °F

    Isolated Snow
    Showers then
    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 40. Calm wind becoming south around 6 mph in the afternoon.

    High: 40 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 28. South wind 3 to 5 mph.

    Low: 28 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 52. Calm wind becoming south 5 to 7 mph in the morning.

    High: 52 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A slight chance of rain. Mostly cloudy, with a low around 37. Chance of precipitation is 20%.

    Low: 37 °F

    Slight Chance
    Rain

  • Friday

    Friday: Partly sunny, with a high near 57.

    High: 57 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 42.

    Low: 42 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 59.

    High: 59 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Isolated snow showers. Partly sunny, with a high near 40. West wind around 16 mph, with gusts as high as 28 mph. Chance of precipitation is 20%.
Tonight
Isolated snow showers before 10pm. Partly cloudy, with a low around 24. Northwest wind 8 to 13 mph becoming light after midnight. Winds could gust as high as 23 mph. Chance of precipitation is 20%.
Wednesday
Mostly sunny, with a high near 40. Calm wind becoming south around 6 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 28. South wind 3 to 5 mph.
Thursday
Mostly sunny, with a high near 52. Calm wind becoming south 5 to 7 mph in the morning.
Thursday Night
A slight chance of rain. Mostly cloudy, with a low around 37. Chance of precipitation is 20%.
Friday
Partly sunny, with a high near 57.
Friday Night
Mostly cloudy, with a low around 42.
Saturday
Partly sunny, with a high near 59.
Saturday Night
Mostly cloudy, with a low around 44.
Sunday
Partly sunny, with a high near 67.
Sunday Night
A chance of rain. Mostly cloudy, with a low around 43. Chance of precipitation is 30%.
Monday
Mostly sunny, with a high near 55.
Monday Night
Mostly clear, with a low around 30.
Tuesday
Mostly sunny, with a high near 48.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Ashton MD
 39.15°N 77.01°W (Elev. 449 ft)
Last Update:
4:54 pm EDT Mar 17, 2026
Forecast Valid:
5pm EDT Mar 17, 2026-6pm EDT Mar 24, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation