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.

Partly Cloudy

66°F

19°C

Humidity 100%
Wind Speed Calm
Barometer 30.06 in (1018.8 mb)
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Last update 20 Aug 9:56 pm EDT
Extended Forecast for

North Bethesda MD

  • Tonight

    Tonight: A slight chance of showers before 11pm. Mostly cloudy, with a low around 64. North wind 3 to 5 mph. Chance of precipitation is 20%.

    Low: 64 °F

    Slight Chance
    Showers then
    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 81. North wind 3 to 5 mph.

    High: 81 °F

    Partly Sunny

  • Friday Night

    Friday Night: Showers likely and possibly a thunderstorm, mainly after 2am. Increasing clouds, with a low around 67. Light east wind. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 67 °F

    Slight Chance
    Showers then
    Showers
    Likely

  • Saturday

    Saturday: Showers likely and possibly a thunderstorm before 8am, then showers likely between 8am and 11am, then showers likely and possibly a thunderstorm after 11am. Cloudy, with a high near 81. Light east wind. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 81 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 67. Calm wind. Chance of precipitation is 40%.

    Low: 67 °F

    Chance
    T-storms then
    Chance
    Showers

  • Sunday

    Sunday: A slight chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 82. Chance of precipitation is 20%.

    High: 82 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 63.

    Low: 63 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 80.

    High: 80 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 61.

    Low: 61 °F

    Mostly Clear

Detailed Forecast

Tonight
A slight chance of showers before 11pm. Mostly cloudy, with a low around 64. North wind 3 to 5 mph. Chance of precipitation is 20%.
Friday
Partly sunny, with a high near 81. North wind 3 to 5 mph.
Friday Night
Showers likely and possibly a thunderstorm, mainly after 2am. Increasing clouds, with a low around 67. Light east wind. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday
Showers likely and possibly a thunderstorm before 8am, then showers likely between 8am and 11am, then showers likely and possibly a thunderstorm after 11am. Cloudy, with a high near 81. Light east wind. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday Night
A chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 67. Calm wind. Chance of precipitation is 40%.
Sunday
A slight chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 82. Chance of precipitation is 20%.
Sunday Night
Mostly clear, with a low around 63.
Monday
Sunny, with a high near 80.
Monday Night
Mostly clear, with a low around 61.
Tuesday
Sunny, with a high near 81.
Tuesday Night
Partly cloudy, with a low around 65.
Wednesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 85. Chance of precipitation is 40%.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 68. Chance of precipitation is 40%.
Thursday
A chance of showers and thunderstorms. Partly sunny, with a high near 86. Chance of precipitation is 50%.
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ABOUT THIS FORECAST

 
Point Forecast:
North Bethesda MD
 39.05°N 77.11°W (Elev. 397 ft)
Last Update:
7:52 pm EDT Aug 20, 2026
Forecast Valid:
10pm EDT Aug 20, 2026-6pm EDT Aug 27, 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