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

51°F

11°C

Humidity 52%
Wind Speed S 5 mph
Barometer 30.03 in (1018.2 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Wind Chill49°F (9°C)
Last update 26 Mar 4:56 am EDT
Extended Forecast for

Ashton MD

  • Today

    Today: Mostly sunny, with a high near 76. Southwest wind 9 to 14 mph, with gusts as high as 22 mph.

    High: 76 °F

    Mostly Sunny

  • Tonight

    Tonight: A chance of rain and thunderstorms, mainly after 5am. Mostly cloudy, with a low around 49. Southwest wind 11 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.

    Low: 49 °F

    Mostly Cloudy
    then Chance
    Rain

  • Friday

    Friday: Rain. Temperature falling to around 50 by 3pm. North wind 13 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    High: 60 °F⇓

    Rain

  • Friday Night

    Friday Night: Rain likely, mainly before 8pm. Cloudy, then gradually becoming partly cloudy, with a low around 32. North wind 6 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 32 °F

    Rain Likely
    then Slight
    Chance Rain

  • Saturday

    Saturday: Sunny, with a high near 46. Northwest wind around 10 mph, with gusts as high as 21 mph.

    High: 46 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 31.

    Low: 31 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 57.

    High: 57 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 43.

    Low: 43 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 64.

    High: 64 °F

    Partly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 76. Southwest wind 9 to 14 mph, with gusts as high as 22 mph.
Tonight
A chance of rain and thunderstorms, mainly after 5am. Mostly cloudy, with a low around 49. Southwest wind 11 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.
Friday
Rain. Temperature falling to around 50 by 3pm. North wind 13 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Friday Night
Rain likely, mainly before 8pm. Cloudy, then gradually becoming partly cloudy, with a low around 32. North wind 6 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Sunny, with a high near 46. Northwest wind around 10 mph, with gusts as high as 21 mph.
Saturday Night
Mostly clear, with a low around 31.
Sunday
Sunny, with a high near 57.
Sunday Night
Partly cloudy, with a low around 43.
Monday
Partly sunny, with a high near 64.
Monday Night
A chance of rain after 8pm. Mostly cloudy, with a low around 51. Chance of precipitation is 30%.
Tuesday
A chance of rain. Mostly cloudy, with a high near 70. Chance of precipitation is 40%.
Tuesday Night
A chance of rain. Mostly cloudy, with a low around 53. Chance of precipitation is 40%.
Wednesday
A chance of rain. Partly sunny, with a high near 75. Chance of precipitation is 40%.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Ashton MD
 39.15°N 77.01°W (Elev. 449 ft)
Last Update:
4:55 am EDT Mar 26, 2026
Forecast Valid:
5am EDT Mar 26, 2026-6pm EDT Apr 1, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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