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.

Fair

27°F

-3°C

Humidity 85%
Wind Speed Calm
Barometer 30.17 in (1023.6 mb)
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Last update 12 Jan 11:56 pm EST
Extended Forecast for

North Potomac MD

  • Overnight

    Overnight: Mostly clear, with a low around 28. Calm wind.

    Low: 28 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 50. Calm wind becoming south 5 to 9 mph in the morning.

    High: 50 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A slight chance of rain before 3am, then a slight chance of rain after 4am. Increasing clouds, with a low around 40. Southwest wind 6 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.

    Low: 40 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Wednesday

    Wednesday: A chance of rain, mainly after 7am. Cloudy, with a high near 50. Southwest wind around 5 mph. Chance of precipitation is 50%.

    High: 50 °F

    Chance Rain

  • Wednesday Night

    Wednesday Night: A chance of rain before 1am, then a chance of rain and snow between 1am and 4am, then a chance of snow after 4am. Mostly cloudy, with a low around 24. Light and variable wind becoming northwest 12 to 17 mph in the evening. Winds could gust as high as 31 mph. Chance of precipitation is 50%.

    Low: 24 °F

    Chance Rain
    then Chance
    Rain/Snow

  • Thursday

    Thursday: Partly sunny, with a high near 29.

    High: 29 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 16.

    Low: 16 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 33.

    High: 33 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 26.

    Low: 26 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 28. Calm wind.
Tuesday
Mostly sunny, with a high near 50. Calm wind becoming south 5 to 9 mph in the morning.
Tuesday Night
A slight chance of rain before 3am, then a slight chance of rain after 4am. Increasing clouds, with a low around 40. Southwest wind 6 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Wednesday
A chance of rain, mainly after 7am. Cloudy, with a high near 50. Southwest wind around 5 mph. Chance of precipitation is 50%.
Wednesday Night
A chance of rain before 1am, then a chance of rain and snow between 1am and 4am, then a chance of snow after 4am. Mostly cloudy, with a low around 24. Light and variable wind becoming northwest 12 to 17 mph in the evening. Winds could gust as high as 31 mph. Chance of precipitation is 50%.
Thursday
Partly sunny, with a high near 29.
Thursday Night
Partly cloudy, with a low around 16.
Friday
Mostly sunny, with a high near 33.
Friday Night
Partly cloudy, with a low around 26.
Saturday
Mostly sunny, with a high near 41.
Saturday Night
Mostly cloudy, with a low around 22.
Sunday
Partly sunny, with a high near 32.
Sunday Night
Partly cloudy, with a low around 18.
M.L.King Day
Mostly sunny, with a high near 30.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
North Potomac MD
 39.11°N 77.27°W (Elev. 400 ft)
Last Update:
12:05 am EST Jan 13, 2026
Forecast Valid:
12am EST Jan 13, 2026-6pm EST Jan 19, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation