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

67°F

19°C

Humidity 100%
Wind Speed Vrbl 6 mph
Barometer 30.20 in (1023.9 mb)
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Last update 21 Sep 8:56 pm EDT
Extended Forecast for

Aspen Hill MD

  • Tonight

    Tonight: Mostly cloudy, with a low around 59. Southeast wind around 6 mph becoming calm after midnight.

    Low: 59 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 79. Calm wind becoming south around 6 mph in the afternoon.

    High: 79 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 63. South wind 3 to 5 mph.

    Low: 63 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 85. South wind 3 to 6 mph. Chance of precipitation is 40%.

    High: 85 °F

    Mostly Sunny
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms before 11pm, then a chance of showers between 11pm and 2am. Mostly cloudy, with a low around 64. Light south wind. Chance of precipitation is 30%.

    Low: 64 °F

    Chance
    T-storms then
    Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers, mainly after 2pm. Mostly cloudy, with a high near 79. Chance of precipitation is 50%.

    High: 79 °F

    Slight Chance
    Showers then
    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A chance of showers. Mostly cloudy, with a low around 65. Chance of precipitation is 50%.

    Low: 65 °F

    Chance
    Showers

  • Thursday

    Thursday: Showers likely, mainly after 2pm. Mostly cloudy, with a high near 74. Chance of precipitation is 60%.

    High: 74 °F

    Showers
    Likely

  • Thursday Night

    Thursday Night: Showers likely, mainly after 2am. Cloudy, with a low around 65. Chance of precipitation is 60%.

    Low: 65 °F

    Showers
    Likely

Detailed Forecast

Tonight
Mostly cloudy, with a low around 59. Southeast wind around 6 mph becoming calm after midnight.
Monday
Partly sunny, with a high near 79. Calm wind becoming south around 6 mph in the afternoon.
Monday Night
Mostly cloudy, with a low around 63. South wind 3 to 5 mph.
Tuesday
A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 85. South wind 3 to 6 mph. Chance of precipitation is 40%.
Tuesday Night
A chance of showers and thunderstorms before 11pm, then a chance of showers between 11pm and 2am. Mostly cloudy, with a low around 64. Light south wind. Chance of precipitation is 30%.
Wednesday
A chance of showers, mainly after 2pm. Mostly cloudy, with a high near 79. Chance of precipitation is 50%.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 65. Chance of precipitation is 50%.
Thursday
Showers likely, mainly after 2pm. Mostly cloudy, with a high near 74. Chance of precipitation is 60%.
Thursday Night
Showers likely, mainly after 2am. Cloudy, with a low around 65. Chance of precipitation is 60%.
Friday
Showers likely, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 75. Chance of precipitation is 70%.
Friday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 63. Chance of precipitation is 60%.
Saturday
A chance of showers. Mostly cloudy, with a high near 74. Chance of precipitation is 50%.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 62. Chance of precipitation is 30%.
Sunday
A chance of showers. Partly sunny, with a high near 76. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Aspen Hill MD
 39.1°N 77.1°W (Elev. 381 ft)
Last Update:
7:29 pm EDT Sep 21, 2025
Forecast Valid:
9pm EDT Sep 21, 2025-6pm EDT Sep 28, 2025
 
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