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

Cold Front Moving Through the Northeast U.S. Monday; Atmospheric River to Impact the Pacific Northwest Midweek

A cold front will cross the Great Lakes and Northeast U.S. through Monday with gusty winds and areas of rain showers. A strong atmospheric river is expected to move into the Pacific Northwest by midweek bringing a threat for moderate to heavy rainfall, gusty winds, and mountain snows for parts of Washington, Oregon, northern California, and the Sierra Nevada. Read More >

Current conditions at

Gaithersburg - Montgomery County Airport (KGAI)

Lat: 39.17°NLon: 77.17°WElev: 495ft.

Fair

63°F

17°C

Humidity 37%
Wind Speed Calm
Barometer 30.25 in (1025.9 mb)
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Last update 2 Nov 3:56 pm EST
Extended Forecast for

2 Miles E Potomac MD

  • Tonight

    Tonight: Mostly cloudy, with a low around 46. Light northeast wind.

    Low: 46 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, then gradually becoming sunny, with a high near 62. Calm wind becoming west 5 to 7 mph in the afternoon.

    High: 62 °F

    Decreasing
    Clouds

  • Monday Night

    Monday Night: Clear, with a low around 42. Northwest wind 8 to 10 mph, with gusts as high as 20 mph.

    Low: 42 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 60. West wind 7 to 10 mph, with gusts as high as 22 mph.

    High: 60 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 40. West wind around 5 mph becoming calm in the evening.

    Low: 40 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 67.

    High: 67 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 45.

    Low: 45 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 59.

    High: 59 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 39.

    Low: 39 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 46. Light northeast wind.
Monday
Mostly cloudy, then gradually becoming sunny, with a high near 62. Calm wind becoming west 5 to 7 mph in the afternoon.
Monday Night
Clear, with a low around 42. Northwest wind 8 to 10 mph, with gusts as high as 20 mph.
Tuesday
Sunny, with a high near 60. West wind 7 to 10 mph, with gusts as high as 22 mph.
Tuesday Night
Partly cloudy, with a low around 40. West wind around 5 mph becoming calm in the evening.
Wednesday
Mostly sunny, with a high near 67.
Wednesday Night
Partly cloudy, with a low around 45.
Thursday
Sunny, with a high near 59.
Thursday Night
Partly cloudy, with a low around 39.
Friday
Partly sunny, with a high near 63.
Friday Night
A chance of rain. Mostly cloudy, with a low around 51. Chance of precipitation is 50%.
Saturday
Mostly sunny, with a high near 67.
Saturday Night
Partly cloudy, with a low around 45.
Sunday
A chance of rain. Partly sunny, with a high near 60. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles E Potomac MD
 39.01°N 77.15°W (Elev. 269 ft)
Last Update:
3:29 pm EST Nov 2, 2025
Forecast Valid:
4pm EST Nov 2, 2025-6pm EST Nov 9, 2025
 
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