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

Lake Effect Snow in the Lower Great Lakes; Rain and High Elevation Snow in the West

Lake-effect snow will continue downwind of Lakes Erie and Ontario through Friday. In the Western U.S., rain and higher elevation snow will continue over the Great Basin through Friday. A front will move over the Pacific Northwest Thursday afternoon and produce light rain and higher elevation snow over the Cascades through Saturday. Read More >

Current conditions at

Gaithersburg - Montgomery County Airport (KGAI)

Lat: 39.17°NLon: 77.17°WElev: 495ft.

Overcast

31°F

-1°C

Humidity 61%
Wind Speed NW 12 G 17 mph
Barometer 30.07 in (1020.3 mb)
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Wind Chill22°F (-6°C)
Last update 12 Feb 5:56 am EST
Extended Forecast for

Gaithersburg MD

  • Today

    Today: Mostly sunny, with a high near 36. Northwest wind 10 to 14 mph, with gusts as high as 26 mph.

    High: 36 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 22. Northwest wind 8 to 10 mph, with gusts as high as 21 mph.

    Low: 22 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 38. Northwest wind 7 to 9 mph.

    High: 38 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 25. Calm wind.

    Low: 25 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 51. West wind 3 to 7 mph.

    High: 51 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 32.

    Low: 32 °F

    Mostly Cloudy

  • Sunday

    Sunday: A chance of rain. Cloudy, with a high near 42. Chance of precipitation is 50%.

    High: 42 °F

    Chance Rain

  • Sunday Night

    Sunday Night: A chance of rain. Mostly cloudy, with a low around 35. Chance of precipitation is 50%.

    Low: 35 °F

    Chance Rain

  • Washington's Birthday

    Washington's Birthday: Mostly sunny, with a high near 47.

    High: 47 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 36. Northwest wind 10 to 14 mph, with gusts as high as 26 mph.
Tonight
Mostly clear, with a low around 22. Northwest wind 8 to 10 mph, with gusts as high as 21 mph.
Friday
Sunny, with a high near 38. Northwest wind 7 to 9 mph.
Friday Night
Mostly clear, with a low around 25. Calm wind.
Saturday
Sunny, with a high near 51. West wind 3 to 7 mph.
Saturday Night
Mostly cloudy, with a low around 32.
Sunday
A chance of rain. Cloudy, with a high near 42. Chance of precipitation is 50%.
Sunday Night
A chance of rain. Mostly cloudy, with a low around 35. Chance of precipitation is 50%.
Washington's Birthday
Mostly sunny, with a high near 47.
Monday Night
Partly cloudy, with a low around 34.
Tuesday
Mostly cloudy, with a high near 51.
Tuesday Night
Cloudy, with a low around 39.
Wednesday
A chance of rain. Cloudy, with a high near 56. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Gaithersburg MD
 39.15°N 77.21°W (Elev. 443 ft)
Last Update:
3:53 am EST Feb 12, 2026
Forecast Valid:
6am EST Feb 12, 2026-6pm EST Feb 18, 2026
 
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