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 51%
Wind Speed NW 10 mph
Barometer 29.91 in (1014.4 mb)
Dewpoint 40°F (4°C)
Visibility 10.00 mi
Last update 25 Dec 2:56 pm EST
Extended Forecast for

Ashton MD

  • Tonight

    Tonight: Partly cloudy, with a low around 27. North wind 5 to 8 mph.

    Low: 27 °F

    Partly Cloudy

  • Friday

    Friday: A slight chance of freezing rain before 1pm, then a slight chance of rain between 1pm and 3pm, then sleet likely after 3pm. Mostly cloudy, with a high near 33. Light and variable wind becoming southeast 5 to 9 mph in the morning. Chance of precipitation is 60%. Little or no ice accumulation expected. Little or no sleet accumulation expected.

    High: 33 °F

    Mostly Cloudy
    then Wintry
    Mix Likely

  • Friday Night

    Friday Night: Rain or freezing rain likely before 7pm, then rain between 7pm and 1am, then a chance of drizzle after 1am. Low around 33. Southeast wind 5 to 8 mph becoming calm after midnight. Chance of precipitation is 80%. Little or no ice accumulation expected.

    Low: 33 °F

    Rain/Freezing
    Rain then
    Rain

  • Saturday

    Saturday: Mostly cloudy, with a high near 44. North wind 6 to 8 mph.

    High: 44 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 30. Light and variable wind.

    Low: 30 °F

    Mostly Cloudy

  • Sunday

    Sunday: A chance of rain, mainly after 1pm. Cloudy, with a high near 46. Chance of precipitation is 40%.

    High: 46 °F

    Chance Rain

  • Sunday Night

    Sunday Night: Rain likely, mainly after 1am. Cloudy, with a low around 39. Chance of precipitation is 60%.

    Low: 39 °F

    Rain Likely

  • Monday

    Monday: Rain likely, mainly before 1pm. Mostly cloudy, with a high near 58. Chance of precipitation is 70%.

    High: 58 °F

    Rain Likely

  • Monday Night

    Monday Night: Partly cloudy, with a low around 25.

    Low: 25 °F

    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 27. North wind 5 to 8 mph.
Friday
A slight chance of freezing rain before 1pm, then a slight chance of rain between 1pm and 3pm, then sleet likely after 3pm. Mostly cloudy, with a high near 33. Light and variable wind becoming southeast 5 to 9 mph in the morning. Chance of precipitation is 60%. Little or no ice accumulation expected. Little or no sleet accumulation expected.
Friday Night
Rain or freezing rain likely before 7pm, then rain between 7pm and 1am, then a chance of drizzle after 1am. Low around 33. Southeast wind 5 to 8 mph becoming calm after midnight. Chance of precipitation is 80%. Little or no ice accumulation expected.
Saturday
Mostly cloudy, with a high near 44. North wind 6 to 8 mph.
Saturday Night
Mostly cloudy, with a low around 30. Light and variable wind.
Sunday
A chance of rain, mainly after 1pm. Cloudy, with a high near 46. Chance of precipitation is 40%.
Sunday Night
Rain likely, mainly after 1am. Cloudy, with a low around 39. Chance of precipitation is 60%.
Monday
Rain likely, mainly before 1pm. Mostly cloudy, with a high near 58. Chance of precipitation is 70%.
Monday Night
Partly cloudy, with a low around 25.
Tuesday
Mostly sunny, with a high near 35.
Tuesday Night
Partly cloudy, with a low around 23.
Wednesday
Mostly sunny, with a high near 40.
Wednesday Night
Mostly cloudy, with a low around 24.
New Year's Day
Partly sunny, with a high near 38.
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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:
2:04 pm EST Dec 25, 2025
Forecast Valid:
3pm EST Dec 25, 2025-6pm EST Jan 1, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation