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.

Fog/Mist

30°F

-1°C

Humidity NA
Wind Speed Calm
Barometer 29.67 in (1006.6 mb)
Dewpoint N/A
Visibility 2.50 mi
Last update 7 Jan 1:56 am EST
Extended Forecast for

3 Miles WSW North Potomac MD

  • Overnight

    Overnight: Patchy fog. Otherwise, partly cloudy, with a low around 40. Southwest wind around 6 mph.

    Low: 40 °F

    Patchy Fog

  • Wednesday

    Wednesday: Mostly sunny, with a high near 56. Light west wind becoming northwest 6 to 11 mph in the morning. Winds could gust as high as 22 mph.

    High: 56 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 34. Northwest wind around 6 mph becoming calm in the evening.

    Low: 34 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 53. Calm wind becoming south around 5 mph in the afternoon.

    High: 53 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 41. Southeast wind around 6 mph.

    Low: 41 °F

    Mostly Cloudy

  • Friday

    Friday: A chance of rain. Cloudy, with a high near 60. Chance of precipitation is 50%.

    High: 60 °F

    Chance Rain

  • Friday Night

    Friday Night: Rain likely, mainly after 1am. Cloudy, with a low around 54. Chance of precipitation is 70%.

    Low: 54 °F

    Chance Rain
    then Rain
    Likely

  • Saturday

    Saturday: Rain. High near 64. Chance of precipitation is 90%.

    High: 64 °F

    Rain

  • Saturday Night

    Saturday Night: Rain likely, mainly before 1am. Cloudy, with a low around 44. Chance of precipitation is 70%.

    Low: 44 °F

    Rain Likely

Detailed Forecast

Overnight
Patchy fog. Otherwise, partly cloudy, with a low around 40. Southwest wind around 6 mph.
Wednesday
Mostly sunny, with a high near 56. Light west wind becoming northwest 6 to 11 mph in the morning. Winds could gust as high as 22 mph.
Wednesday Night
Mostly clear, with a low around 34. Northwest wind around 6 mph becoming calm in the evening.
Thursday
Mostly sunny, with a high near 53. Calm wind becoming south around 5 mph in the afternoon.
Thursday Night
Mostly cloudy, with a low around 41. Southeast wind around 6 mph.
Friday
A chance of rain. Cloudy, with a high near 60. Chance of precipitation is 50%.
Friday Night
Rain likely, mainly after 1am. Cloudy, with a low around 54. Chance of precipitation is 70%.
Saturday
Rain. High near 64. Chance of precipitation is 90%.
Saturday Night
Rain likely, mainly before 1am. Cloudy, with a low around 44. Chance of precipitation is 70%.
Sunday
A chance of rain before 1pm. Partly sunny, with a high near 49. Chance of precipitation is 30%.
Sunday Night
Partly cloudy, with a low around 29.
Monday
Sunny, with a high near 41.
Monday Night
Mostly clear, with a low around 27.
Tuesday
Mostly sunny, with a high near 46.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WSW North Potomac MD
 39.07°N 77.31°W (Elev. 397 ft)
Last Update:
12:53 am EST Jan 7, 2026
Forecast Valid:
2am EST Jan 7, 2026-6pm EST Jan 13, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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