Hazardous Weather Conditions

Current conditions at

Gaithersburg - Montgomery County Airport (KGAI)

Lat: 39.17°NLon: 77.17°WElev: 495ft.

Fog/Mist

30°F

-1°C

Humidity 96%
Wind Speed Calm
Barometer 29.94 in (1015.9 mb)
Dewpoint 29°F (-2°C)
Visibility 3.00 mi
Last update 6 Dec 7:56 am EST
Extended Forecast for

Rossmoor MD

  • Today

    Today: Patchy fog before 9am.  Otherwise, partly sunny, with a high near 41. Light west wind.

    High: 41 °F

    Patchy Fog
    then Partly
    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 27. Calm wind.

    Low: 27 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 42. Calm wind becoming south around 5 mph in the afternoon.

    High: 42 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 26. Calm wind becoming north 5 to 8 mph after midnight.

    Low: 26 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 33. North wind 8 to 10 mph, with gusts as high as 20 mph.

    High: 33 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 18.

    Low: 18 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 35.

    High: 35 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 29.

    Low: 29 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 46.

    High: 46 °F

    Mostly Cloudy

Detailed Forecast

Today
Patchy fog before 9am. Otherwise, partly sunny, with a high near 41. Light west wind.
Tonight
Partly cloudy, with a low around 27. Calm wind.
Sunday
Partly sunny, with a high near 42. Calm wind becoming south around 5 mph in the afternoon.
Sunday Night
Partly cloudy, with a low around 26. Calm wind becoming north 5 to 8 mph after midnight.
Monday
Mostly sunny, with a high near 33. North wind 8 to 10 mph, with gusts as high as 20 mph.
Monday Night
Partly cloudy, with a low around 18.
Tuesday
Mostly sunny, with a high near 35.
Tuesday Night
Mostly cloudy, with a low around 29.
Wednesday
Mostly cloudy, with a high near 46.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 33. Chance of precipitation is 30%.
Thursday
Partly sunny, with a high near 43.
Thursday Night
A chance of rain and snow. Mostly cloudy, with a low around 28. Chance of precipitation is 30%.
Friday
Partly sunny, with a high near 38.
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ABOUT THIS FORECAST

 
Point Forecast:
Rossmoor MD
 39.09°N 77.08°W (Elev. 440 ft)
6:53 am EST Dec 6, 2025
8am EST Dec 6, 2025-6pm EST Dec 12, 2025
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database