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

36°F

2°C

Humidity 42%
Wind Speed W 12 G 21 mph
Barometer 29.99 in (1017.4 mb)
Dewpoint 15°F (-9°C)
Visibility 10.00 mi
Wind Chill28°F (-2°C)
Last update 17 Mar 1:56 pm EDT
Extended Forecast for

3 Miles W North Potomac MD

  • This Afternoon

    This Afternoon: Isolated snow showers. Mostly cloudy, with a high near 40. West wind around 17 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.

    High: 40 °F

    Isolated Snow
    Showers

  • Tonight

    Tonight: Isolated snow showers before 10pm. Partly cloudy, with a low around 24. Northwest wind 6 to 11 mph becoming light after midnight. Winds could gust as high as 23 mph. Chance of precipitation is 20%.

    Low: 24 °F

    Isolated Snow
    Showers then
    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 41. Calm wind becoming south around 6 mph in the afternoon.

    High: 41 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 29. Southeast wind around 5 mph.

    Low: 29 °F

    Partly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 53. South wind 3 to 7 mph.

    High: 53 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: A slight chance of rain. Mostly cloudy, with a low around 38. Chance of precipitation is 20%.

    Low: 38 °F

    Slight Chance
    Rain

  • Friday

    Friday: Partly sunny, with a high near 57.

    High: 57 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 43.

    Low: 43 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 60.

    High: 60 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Isolated snow showers. Mostly cloudy, with a high near 40. West wind around 17 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
Tonight
Isolated snow showers before 10pm. Partly cloudy, with a low around 24. Northwest wind 6 to 11 mph becoming light after midnight. Winds could gust as high as 23 mph. Chance of precipitation is 20%.
Wednesday
Mostly sunny, with a high near 41. Calm wind becoming south around 6 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 29. Southeast wind around 5 mph.
Thursday
Partly sunny, with a high near 53. South wind 3 to 7 mph.
Thursday Night
A slight chance of rain. Mostly cloudy, with a low around 38. Chance of precipitation is 20%.
Friday
Partly sunny, with a high near 57.
Friday Night
Mostly cloudy, with a low around 43.
Saturday
Partly sunny, with a high near 60.
Saturday Night
Mostly cloudy, with a low around 44.
Sunday
Partly sunny, with a high near 68.
Sunday Night
A chance of rain. Mostly cloudy, with a low around 43. Chance of precipitation is 30%.
Monday
Mostly sunny, with a high near 56.
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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:
2:24 pm EDT Mar 17, 2026
Forecast Valid:
2pm EDT Mar 17, 2026-6pm EDT Mar 23, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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