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.

Overcast

59°F

15°C

Humidity 87%
Wind Speed Calm
Barometer 29.72 in (1007.4 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 23 Mar 4:56 am EDT
Extended Forecast for

Ashton MD

  • Overnight

    Overnight: Showers and possibly a thunderstorm. Low around 54. North wind around 11 mph, with gusts as high as 23 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 54 °F

    Showers

  • Monday

    Monday: Showers, mainly before 10am. Temperature falling to around 52 by 5pm. Northwest wind 9 to 18 mph, with gusts as high as 31 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    High: 56 °F⇓

    Showers then
    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 31. Northwest wind 9 to 14 mph, with gusts as high as 25 mph.

    Low: 31 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 49. North wind around 6 mph becoming calm in the morning.

    High: 49 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 35. Light south wind.

    Low: 35 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 59.

    High: 59 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 46.

    Low: 46 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly cloudy, with a high near 70.

    High: 70 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: Rain likely after 2am. Mostly cloudy, with a low around 51. Chance of precipitation is 60%.

    Low: 51 °F

    Mostly Cloudy
    then Rain
    Likely

Detailed Forecast

Overnight
Showers and possibly a thunderstorm. Low around 54. North wind around 11 mph, with gusts as high as 23 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday
Showers, mainly before 10am. Temperature falling to around 52 by 5pm. Northwest wind 9 to 18 mph, with gusts as high as 31 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Monday Night
Partly cloudy, with a low around 31. Northwest wind 9 to 14 mph, with gusts as high as 25 mph.
Tuesday
Sunny, with a high near 49. North wind around 6 mph becoming calm in the morning.
Tuesday Night
Partly cloudy, with a low around 35. Light south wind.
Wednesday
Mostly sunny, with a high near 59.
Wednesday Night
Mostly cloudy, with a low around 46.
Thursday
Mostly cloudy, with a high near 70.
Thursday Night
Rain likely after 2am. Mostly cloudy, with a low around 51. Chance of precipitation is 60%.
Friday
Rain likely, mainly before 8am. Mostly cloudy, with a high near 60. Chance of precipitation is 60%.
Friday Night
Partly cloudy, with a low around 30.
Saturday
Sunny, with a high near 47.
Saturday Night
Mostly clear, with a low around 30.
Sunday
Sunny, with a high near 54.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Ashton MD
 39.15°N 77.01°W (Elev. 449 ft)
Last Update:
4:53 am EDT Mar 23, 2026
Forecast Valid:
5am EDT Mar 23, 2026-6pm EDT Mar 29, 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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation