National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Gaithersburg - Montgomery County Airport (KGAI)

Lat: 39.17°NLon: 77.17°WElev: 495ft.

Overcast

29°F

-2°C

Humidity 92%
Wind Speed W 7 mph
Barometer 30.10 in (1021.3 mb)
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Wind Chill22°F (-6°C)
Last update 4 Dec 7:56 am EST
Extended Forecast for

2 Miles SSE Derwood MD

  • Today

    Today: Mostly cloudy, then gradually becoming sunny, with a high near 41. Northwest wind 6 to 14 mph, with gusts as high as 24 mph.

    High: 41 °F

    Decreasing
    Clouds

  • Tonight

    Tonight: Increasing clouds, with a low around 21. Northwest wind 5 to 9 mph becoming calm after midnight.

    Low: 21 °F

    Increasing
    Clouds

  • Friday

    Friday: A chance of snow. Cloudy, with a high near 31. Calm wind becoming southeast around 5 mph. Chance of precipitation is 50%.

    High: 31 °F

    Chance Snow

  • Friday Night

    Friday Night: A slight chance of snow before 1am. Mostly cloudy, with a low around 23. Calm wind. Chance of precipitation is 20%.

    Low: 23 °F

    Slight Chance
    Snow

  • Saturday

    Saturday: Partly sunny, with a high near 41. Light southwest wind.

    High: 41 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 27.

    Low: 27 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 43.

    High: 43 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 25.

    Low: 25 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 32.

    High: 32 °F

    Partly Sunny

Detailed Forecast

Today
Mostly cloudy, then gradually becoming sunny, with a high near 41. Northwest wind 6 to 14 mph, with gusts as high as 24 mph.
Tonight
Increasing clouds, with a low around 21. Northwest wind 5 to 9 mph becoming calm after midnight.
Friday
A chance of snow. Cloudy, with a high near 31. Calm wind becoming southeast around 5 mph. Chance of precipitation is 50%.
Friday Night
A slight chance of snow before 1am. Mostly cloudy, with a low around 23. Calm wind. Chance of precipitation is 20%.
Saturday
Partly sunny, with a high near 41. Light southwest wind.
Saturday Night
Partly cloudy, with a low around 27.
Sunday
Partly sunny, with a high near 43.
Sunday Night
Mostly cloudy, with a low around 25.
Monday
Partly sunny, with a high near 32.
Monday Night
Partly cloudy, with a low around 18.
Tuesday
Mostly sunny, with a high near 36.
Tuesday Night
Mostly cloudy, with a low around 27.
Wednesday
Mostly cloudy, with a high near 44.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SSE Derwood MD
 39.1°N 77.13°W (Elev. 400 ft)
Last Update:
7:57 am EST Dec 4, 2025
Forecast Valid:
8am EST Dec 4, 2025-6pm EST Dec 10, 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