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.

Fair and Windy

49°F

9°C

Humidity 32%
Wind Speed NW 33 G 45 mph
Barometer 29.47 in (999.3 mb)
Dewpoint 20°F (-7°C)
Visibility 10.00 mi
Wind Chill40°F (4°C)
Last update 29 Dec 1:56 pm EST
Extended Forecast for

3 Miles W North Potomac MD

Wind Advisory December 29, 02:43pm until December 30, 01:00am
Click here for hazard details and duration
Wind Advisory
  •  
    Wind Advisory December 29, 02:43pm until December 30, 01:00am

    NOW until 1:00am Tue

    Wind Advisory

  • This Afternoon

    High: 53 °F

    Mostly Sunny
    and Windy

  • Tonight

    Tonight: Partly cloudy, with a low around 26. Windy, with a west wind 23 to 26 mph, with gusts as high as 48 mph.

    Low: 26 °F

    Partly Cloudy
    and Windy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 35. Breezy, with a west wind 20 to 25 mph, with gusts as high as 38 mph.

    High: 35 °F

    Mostly Sunny
    and Breezy

  • Tuesday Night

    Tuesday Night: Increasing clouds, with a low around 24. West wind 6 to 10 mph, with gusts as high as 24 mph.

    Low: 24 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: Partly sunny, with a high near 40. Southwest wind 6 to 10 mph, with gusts as high as 20 mph.

    High: 40 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: A slight chance of snow showers after 1am. Mostly cloudy, with a low around 25. Chance of precipitation is 20%.

    Low: 25 °F

    Mostly Cloudy
    then Slight
    Chance Snow
    Showers

  • New Year's Day

    New Year's Day: Mostly sunny, with a high near 32.

    High: 32 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 19.

    Low: 19 °F

    Partly Cloudy

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 53. Windy, with a west wind around 30 mph, with gusts as high as 48 mph.
Tonight
Partly cloudy, with a low around 26. Windy, with a west wind 23 to 26 mph, with gusts as high as 48 mph.
Tuesday
Mostly sunny, with a high near 35. Breezy, with a west wind 20 to 25 mph, with gusts as high as 38 mph.
Tuesday Night
Increasing clouds, with a low around 24. West wind 6 to 10 mph, with gusts as high as 24 mph.
Wednesday
Partly sunny, with a high near 40. Southwest wind 6 to 10 mph, with gusts as high as 20 mph.
Wednesday Night
A slight chance of snow showers after 1am. Mostly cloudy, with a low around 25. Chance of precipitation is 20%.
New Year's Day
Mostly sunny, with a high near 32.
Thursday Night
Partly cloudy, with a low around 19.
Friday
Partly sunny, with a high near 41.
Friday Night
Mostly cloudy, with a low around 26.
Saturday
Partly sunny, with a high near 40.
Saturday Night
Partly cloudy, with a low around 23.
Sunday
Mostly sunny, with a high near 40.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles W North Potomac MD
 39.1°N 77.31°W (Elev. 348 ft)
Last Update:
2:29 pm EST Dec 29, 2025
Forecast Valid:
2pm EST Dec 29, 2025-6pm EST Jan 4, 2026
 
Forecast Discussion
 
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Additional Resources

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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