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.

Light Rain

34°F

1°C

Humidity NA
Wind Speed Calm
Barometer 29.94 in (1015.5 mb)
Dewpoint N/A
Visibility 10.00 mi
Last update 12 Mar 1:56 pm EDT
Extended Forecast for

3 Miles W North Potomac MD

  • This Afternoon

    This Afternoon: Rain and snow, mainly before 3pm. High near 45. Northwest wind around 15 mph, with gusts as high as 26 mph. Chance of precipitation is 80%. Total daytime snow accumulation of less than a half inch possible.

    High: 45 °F

    Rain/Snow

  • Tonight

    Tonight: Mostly clear, with a low around 29. Northwest wind 6 to 11 mph becoming light and variable after midnight. Winds could gust as high as 21 mph.

    Low: 29 °F

    Mostly Clear

  • Friday

    Friday: Increasing clouds, with a high near 54. Breezy, with a south wind 6 to 11 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 38 mph.

    High: 54 °F

    Mostly Sunny
    then Partly
    Sunny and
    Breezy

  • Friday Night

    Friday Night: Mostly clear, with a low around 39. West wind 10 to 16 mph, with gusts as high as 30 mph.

    Low: 39 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 55. West wind 8 to 14 mph, with gusts as high as 23 mph.

    High: 55 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 40.

    Low: 40 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 60.

    High: 60 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Showers. Low around 53. Chance of precipitation is 90%.

    Low: 53 °F

    Showers

  • Monday

    Monday: Showers, with thunderstorms also possible after 2pm. High near 69. Breezy. Chance of precipitation is 90%.

    High: 69 °F

    Showers and
    Breezy

Detailed Forecast

This Afternoon
Rain and snow, mainly before 3pm. High near 45. Northwest wind around 15 mph, with gusts as high as 26 mph. Chance of precipitation is 80%. Total daytime snow accumulation of less than a half inch possible.
Tonight
Mostly clear, with a low around 29. Northwest wind 6 to 11 mph becoming light and variable after midnight. Winds could gust as high as 21 mph.
Friday
Increasing clouds, with a high near 54. Breezy, with a south wind 6 to 11 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 38 mph.
Friday Night
Mostly clear, with a low around 39. West wind 10 to 16 mph, with gusts as high as 30 mph.
Saturday
Mostly sunny, with a high near 55. West wind 8 to 14 mph, with gusts as high as 23 mph.
Saturday Night
Mostly cloudy, with a low around 40.
Sunday
Mostly cloudy, with a high near 60.
Sunday Night
Showers. Low around 53. Chance of precipitation is 90%.
Monday
Showers, with thunderstorms also possible after 2pm. High near 69. Breezy. Chance of precipitation is 90%.
Monday Night
A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 29. Chance of precipitation is 40%.
Tuesday
Mostly sunny, with a high near 39.
Tuesday Night
Mostly clear, with a low around 23.
Wednesday
Sunny, with a high near 42.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles W North Potomac MD
 39.1°N 77.31°W (Elev. 348 ft)
Last Update:
1:53 pm EDT Mar 12, 2026
Forecast Valid:
2pm EDT Mar 12, 2026-6pm EDT Mar 18, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation