Areas of Dangerous Heat and Severe Thunderstorms

Dangerous heat will build across the Southwest U.S. through the end of the week with daytime highs of 110-115°F. Heat across the southern Plains will briefly ease to near-normal by late week before returning over much of the Plains into next week. Severe thunderstorms are expected across parts of the central and southern High Plains, central Great Lakes, and Ozarks Wednesday. Read More >

Current conditions at

Gaithersburg - Montgomery County Airport (KGAI)

Lat: 39.17°NLon: 77.17°WElev: 495ft.

Fair

60°F

16°C

Humidity 100%
Wind Speed Calm
Barometer 30.10 in (1020.4 mb)
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Last update 26 Aug 4:56 am EDT
Extended Forecast for

Ashton MD

  • Today

    Today: Increasing clouds, with a high near 85. Calm wind becoming south 5 to 8 mph in the afternoon.

    High: 85 °F

    Increasing
    Clouds

  • Tonight

    Tonight: Mostly cloudy, with a low around 69. South wind 6 to 8 mph.

    Low: 69 °F

    Mostly Cloudy

  • Thursday

    Thursday: A chance of showers and thunderstorms after 2pm.  Partly sunny, with a high near 87. South wind 6 to 9 mph, with gusts as high as 18 mph.  Chance of precipitation is 30%.

    High: 87 °F

    Mostly Sunny
    then Chance
    T-storms

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm before 7pm, then a chance of showers and thunderstorms between 7pm and 2am.  Mostly cloudy, with a low around 67. South wind around 5 mph becoming calm  in the evening.  Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 67 °F

    Showers
    Likely

  • Friday

    Friday: A chance of showers and thunderstorms after 2pm.  Partly sunny, with a high near 84. Light north wind.  Chance of precipitation is 30%.

    High: 84 °F

    Partly Sunny
    then Chance
    Showers

  • Friday Night

    Friday Night: A chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 2am.  Mostly cloudy, with a low around 66. Chance of precipitation is 30%.

    Low: 66 °F

    Chance
    Showers

  • Saturday

    Saturday: Partly sunny, with a high near 83.

    High: 83 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 67.

    Low: 67 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 86.

    High: 86 °F

    Mostly Sunny

Detailed Forecast

Today
Increasing clouds, with a high near 85. Calm wind becoming south 5 to 8 mph in the afternoon.
Tonight
Mostly cloudy, with a low around 69. South wind 6 to 8 mph.
Thursday
A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 87. South wind 6 to 9 mph, with gusts as high as 18 mph. Chance of precipitation is 30%.
Thursday Night
Showers likely and possibly a thunderstorm before 7pm, then a chance of showers and thunderstorms between 7pm and 2am. Mostly cloudy, with a low around 67. South wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Friday
A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 84. Light north wind. Chance of precipitation is 30%.
Friday Night
A chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 2am. Mostly cloudy, with a low around 66. Chance of precipitation is 30%.
Saturday
Partly sunny, with a high near 83.
Saturday Night
Partly cloudy, with a low around 67.
Sunday
Mostly sunny, with a high near 86.
Sunday Night
Mostly clear, with a low around 69.
Monday
Sunny, with a high near 90.
Monday Night
Partly cloudy, with a low around 72.
Tuesday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 91. Chance of precipitation is 20%.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Ashton MD
 39.13°N 77.01°W (Elev. 400 ft)
4:53 am EDT Aug 26, 2026
5am EDT Aug 26, 2026-6pm EDT Sep 1, 2026
 
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