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.

Light Rain

84°F

29°C

Humidity 80%
Wind Speed W 8 mph
Barometer 29.97 in (1015.6 mb)
Dewpoint 77°F (25°C)
Visibility 10.00 mi
Heat Index94°F (34°C)
Last update 14 Aug 1:56 pm EDT
Extended Forecast for

Germantown MD

  • This Afternoon

    This Afternoon: Scattered showers and thunderstorms, mainly before 5pm. Partly sunny, with a high near 89. North wind around 6 mph. Chance of precipitation is 50%.

    High: 89 °F

    Scattered
    T-storms

  • Tonight

    Tonight: Partly cloudy, with a low around 71. Calm wind.

    Low: 71 °F

    Partly Cloudy

  • Friday

    Friday: A chance of showers and thunderstorms, mainly after 2pm. Mostly sunny, with a high near 88. Calm wind becoming east around 5 mph in the afternoon. Chance of precipitation is 30%.

    High: 88 °F

    Mostly Sunny
    then Chance
    T-storms

  • Friday Night

    Friday Night: A slight chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am. Partly cloudy, with a low around 70. Southeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 20%.

    Low: 70 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Saturday

    Saturday: A slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 88. Calm wind becoming east around 5 mph in the afternoon. Chance of precipitation is 20%.

    High: 88 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 69.

    Low: 69 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 93.

    High: 93 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 71.

    Low: 71 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 85.

    High: 85 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Scattered showers and thunderstorms, mainly before 5pm. Partly sunny, with a high near 89. North wind around 6 mph. Chance of precipitation is 50%.
Tonight
Partly cloudy, with a low around 71. Calm wind.
Friday
A chance of showers and thunderstorms, mainly after 2pm. Mostly sunny, with a high near 88. Calm wind becoming east around 5 mph in the afternoon. Chance of precipitation is 30%.
Friday Night
A slight chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am. Partly cloudy, with a low around 70. Southeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 20%.
Saturday
A slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 88. Calm wind becoming east around 5 mph in the afternoon. Chance of precipitation is 20%.
Saturday Night
Mostly clear, with a low around 69.
Sunday
Sunny, with a high near 93.
Sunday Night
Partly cloudy, with a low around 71.
Monday
Partly sunny, with a high near 85.
Monday Night
Mostly cloudy, with a low around 67.
Tuesday
A chance of showers. Partly sunny, with a high near 82. Chance of precipitation is 30%.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 66. Chance of precipitation is 30%.
Wednesday
A chance of showers. Partly sunny, with a high near 82. Chance of precipitation is 40%.
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ABOUT THIS FORECAST

 
Point Forecast:
Germantown MD
 39.16°N 77.27°W (Elev. 381 ft)
Last Update:
1:30 pm EDT Aug 14, 2025
Forecast Valid:
2pm EDT Aug 14, 2025-6pm EDT Aug 20, 2025
 
Forecast Discussion
 
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Additional Resources

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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