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

44°F

7°C

Humidity 79%
Wind Speed Calm
Barometer 30.02 in (1018.3 mb)
Dewpoint 38°F (3°C)
Visibility 10.00 mi
Last update 7 Jan 8:56 pm EST
Extended Forecast for

2 Miles SSE Potomac MD

  • Tonight

    Tonight: Mostly clear, with a low around 34. Light northwest wind.

    Low: 34 °F

    Mostly Clear

  • Thursday

    Thursday: Patchy fog before 8am. Otherwise, mostly sunny, with a high near 53. Light and variable wind.

    High: 53 °F

    Patchy Fog
    then Mostly
    Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 40. Calm wind becoming south around 5 mph after midnight.

    Low: 40 °F

    Mostly Cloudy

  • Friday

    Friday: A chance of rain after 1pm. Cloudy, with a high near 59. South wind 6 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.

    High: 59 °F

    Mostly Cloudy
    then Chance
    Rain

  • Friday Night

    Friday Night: Rain likely, mainly after 1am. Cloudy, with a low around 54. South wind 5 to 7 mph. Chance of precipitation is 70%.

    Low: 54 °F

    Rain Likely

  • Saturday

    Saturday: Rain. High near 64. Chance of precipitation is 100%.

    High: 64 °F

    Rain

  • Saturday Night

    Saturday Night: Rain likely, mainly before 1am. Cloudy, with a low around 43. Chance of precipitation is 70%.

    Low: 43 °F

    Rain Likely

  • Sunday

    Sunday: Mostly cloudy, with a high near 51.

    High: 51 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 29.

    Low: 29 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 34. Light northwest wind.
Thursday
Patchy fog before 8am. Otherwise, mostly sunny, with a high near 53. Light and variable wind.
Thursday Night
Mostly cloudy, with a low around 40. Calm wind becoming south around 5 mph after midnight.
Friday
A chance of rain after 1pm. Cloudy, with a high near 59. South wind 6 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.
Friday Night
Rain likely, mainly after 1am. Cloudy, with a low around 54. South wind 5 to 7 mph. Chance of precipitation is 70%.
Saturday
Rain. High near 64. Chance of precipitation is 100%.
Saturday Night
Rain likely, mainly before 1am. Cloudy, with a low around 43. Chance of precipitation is 70%.
Sunday
Mostly cloudy, with a high near 51.
Sunday Night
Partly cloudy, with a low around 29.
Monday
Sunny, with a high near 42.
Monday Night
Partly cloudy, with a low around 28.
Tuesday
Mostly sunny, with a high near 47.
Tuesday Night
Partly cloudy, with a low around 31.
Wednesday
Mostly cloudy, with a high near 48.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SSE Potomac MD
 38.99°N 77.18°W (Elev. 249 ft)
Last Update:
6:53 pm EST Jan 7, 2026
Forecast Valid:
9pm EST Jan 7, 2026-6pm EST Jan 14, 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