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

73°F

23°C

Humidity 29%
Wind Speed S 12 mph
Barometer 30.06 in (1019.2 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Last update 9 Mar 12:56 pm EDT
Extended Forecast for

Germantown MD

  • This Afternoon

    This Afternoon: Sunny, with a high near 70. Southwest wind around 6 mph.

    High: 70 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 47. Calm wind.

    Low: 47 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 76. Calm wind becoming south around 6 mph in the afternoon.

    High: 76 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 59. Light south wind.

    Low: 59 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A chance of rain, with thunderstorms also possible after 5pm. Mostly cloudy, with a high near 77. South wind 5 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 50%.

    High: 77 °F

    Slight Chance
    Rain then
    Chance Rain

  • Wednesday Night

    Wednesday Night: A chance of rain and thunderstorms, then rain likely after 8pm. Mostly cloudy, with a low around 44. Chance of precipitation is 70%.

    Low: 44 °F

    Rain Likely

  • Thursday

    Thursday: Rain likely, mainly before 2pm. Mostly cloudy, with a high near 51. Breezy. Chance of precipitation is 60%.

    High: 51 °F

    Rain Likely
    and Breezy

  • Thursday Night

    Thursday Night: A chance of rain before 8pm. Mostly clear, with a low around 32. Chance of precipitation is 30%.

    Low: 32 °F

    Chance Rain
    then Mostly
    Clear

  • Friday

    Friday: Partly sunny, with a high near 53.

    High: 53 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 70. Southwest wind around 6 mph.
Tonight
Mostly clear, with a low around 47. Calm wind.
Tuesday
Sunny, with a high near 76. Calm wind becoming south around 6 mph in the afternoon.
Tuesday Night
Partly cloudy, with a low around 59. Light south wind.
Wednesday
A chance of rain, with thunderstorms also possible after 5pm. Mostly cloudy, with a high near 77. South wind 5 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 50%.
Wednesday Night
A chance of rain and thunderstorms, then rain likely after 8pm. Mostly cloudy, with a low around 44. Chance of precipitation is 70%.
Thursday
Rain likely, mainly before 2pm. Mostly cloudy, with a high near 51. Breezy. Chance of precipitation is 60%.
Thursday Night
A chance of rain before 8pm. Mostly clear, with a low around 32. Chance of precipitation is 30%.
Friday
Partly sunny, with a high near 53.
Friday Night
Partly cloudy, with a low around 39.
Saturday
Partly sunny, with a high near 53.
Saturday Night
Mostly cloudy, with a low around 39.
Sunday
Mostly cloudy, with a high near 62.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Germantown MD
 39.18°N 77.26°W (Elev. 489 ft)
Last Update:
10:54 am EDT Mar 9, 2026
Forecast Valid:
1pm EDT Mar 9, 2026-6pm EDT Mar 15, 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