Current conditions at

Gaithersburg - Montgomery County Airport (KGAI)

Lat: 39.17°NLon: 77.17°WElev: 495ft.

Mostly Cloudy

86°F

30°C

Humidity 55%
Wind Speed Calm
Barometer 30.19 in (1023.2 mb)
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Heat Index89°F (32°C)
Last update 15 Aug 1:56 pm EDT
Extended Forecast for

North Potomac MDSimilar City Names

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 87. Light and variable wind.

    High: 87 °F

    Partly Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 71. Light southeast wind.

    Low: 71 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Showers and possibly a thunderstorm, mainly before 4pm, then a chance of showers and thunderstorms after 4pm.  High near 81. South wind 6 to 10 mph, with gusts as high as 23 mph.  Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 81 °F

    Showers

  • Sunday Night

    Sunday Night: Showers and thunderstorms likely before 2am, then a chance of showers between 2am and 3am.  Mostly cloudy, with a low around 71. South wind 3 to 7 mph. Winds could gust as high as 20 mph.  Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 71 °F

    Showers
    Likely

  • Monday

    Monday: A slight chance of showers and thunderstorms after 2pm.  Mostly sunny, with a high near 87. Northwest wind 6 to 9 mph.  Chance of precipitation is 20%.

    High: 87 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Monday Night

    Monday Night: Partly cloudy, with a low around 68.

    Low: 68 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 84.

    High: 84 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 65.

    Low: 65 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 87.

    High: 87 °F

    Sunny

Detailed Forecast

This Afternoon
Partly sunny, with a high near 87. Light and variable wind.
Tonight
Increasing clouds, with a low around 71. Light southeast wind.
Sunday
Showers and possibly a thunderstorm, mainly before 4pm, then a chance of showers and thunderstorms after 4pm. High near 81. South wind 6 to 10 mph, with gusts as high as 23 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Sunday Night
Showers and thunderstorms likely before 2am, then a chance of showers between 2am and 3am. Mostly cloudy, with a low around 71. South wind 3 to 7 mph. Winds could gust as high as 20 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday
A slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 87. Northwest wind 6 to 9 mph. Chance of precipitation is 20%.
Monday Night
Partly cloudy, with a low around 68.
Tuesday
Sunny, with a high near 84.
Tuesday Night
Mostly clear, with a low around 65.
Wednesday
Sunny, with a high near 87.
Wednesday Night
A slight chance of showers and thunderstorms, then a chance of showers after 2am. Partly cloudy, with a low around 69. Chance of precipitation is 30%.
Thursday
A chance of showers and thunderstorms. Mostly sunny, with a high near 84. Chance of precipitation is 30%.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 65. Chance of precipitation is 30%.
Friday
A chance of showers. Partly sunny, with a high near 82. Chance of precipitation is 30%.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
North Potomac MDSimilar City Names
 39.09°N 77.25°W (Elev. 348 ft)
1:55 pm EDT Aug 15, 2026
2pm EDT Aug 15, 2026-6pm EDT Aug 21, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database