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

52°F

11°C

Humidity 40%
Wind Speed SW 8 mph
Barometer 29.77 in (1009.5 mb)
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Wind Chill49°F (9°C)
Last update 13 Mar 9:56 pm EDT
Extended Forecast for

Germantown MD

  • Tonight

    Tonight: Mostly clear, with a low around 40. West wind 11 to 13 mph, with gusts as high as 28 mph.

    Low: 40 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 54. West wind 11 to 16 mph, with gusts as high as 29 mph.

    High: 54 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 38. North wind around 5 mph becoming calm in the evening.

    Low: 38 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 57. Southeast wind 7 to 14 mph, with gusts as high as 25 mph.

    High: 57 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Rain. Low around 52. Southeast wind 11 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 100%.

    Low: 52 °F

    Rain Likely
    then Rain

  • Monday

    Monday: Rain before 8am, then showers likely between 8am and 2pm, then showers and possibly a thunderstorm after 2pm. High near 67. Breezy. Chance of precipitation is 100%.

    High: 67 °F

    Showers and
    Breezy

  • Monday Night

    Monday Night: Rain, possibly mixed with snow showers, mainly before 2am. Some thunder is also possible. Low around 29. Breezy. Chance of precipitation is 80%.

    Low: 29 °F

    Rain/Snow and
    Breezy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 36.

    High: 36 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 22.

    Low: 22 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 40. West wind 11 to 13 mph, with gusts as high as 28 mph.
Saturday
Sunny, with a high near 54. West wind 11 to 16 mph, with gusts as high as 29 mph.
Saturday Night
Mostly cloudy, with a low around 38. North wind around 5 mph becoming calm in the evening.
Sunday
Mostly cloudy, with a high near 57. Southeast wind 7 to 14 mph, with gusts as high as 25 mph.
Sunday Night
Rain. Low around 52. Southeast wind 11 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 100%.
Monday
Rain before 8am, then showers likely between 8am and 2pm, then showers and possibly a thunderstorm after 2pm. High near 67. Breezy. Chance of precipitation is 100%.
Monday Night
Rain, possibly mixed with snow showers, mainly before 2am. Some thunder is also possible. Low around 29. Breezy. Chance of precipitation is 80%.
Tuesday
Mostly sunny, with a high near 36.
Tuesday Night
Mostly clear, with a low around 22.
Wednesday
Partly sunny, with a high near 41.
Wednesday Night
Mostly cloudy, with a low around 30.
Thursday
Mostly sunny, with a high near 51.
Thursday Night
Partly cloudy, with a low around 36.
Friday
Partly sunny, with a high near 54.
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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:
7:53 pm EDT Mar 13, 2026
Forecast Valid:
10pm EDT Mar 13, 2026-6pm EDT Mar 20, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation