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

56°F

13°C

Humidity 36%
Wind Speed S 13 G 20 mph
Barometer 30.30 in (1027.4 mb)
Dewpoint 29°F (-2°C)
Visibility 10.00 mi
Last update 25 Mar 1:56 pm EDT
Extended Forecast for

Germantown MD

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 57. South wind around 9 mph.

    High: 57 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 48. South wind around 9 mph, with gusts as high as 20 mph.

    Low: 48 °F

    Mostly Cloudy

  • Thursday

    Thursday: A slight chance of rain before 1pm, then a slight chance of rain after 3pm. Mostly sunny, with a high near 73. Southwest wind 7 to 10 mph, with gusts as high as 22 mph. Chance of precipitation is 20%.

    High: 73 °F

    Slight Chance
    Rain

  • Thursday Night

    Thursday Night: A slight chance of rain before 7pm, then rain likely and possibly a thunderstorm after 2am. Increasing clouds, with a low around 54. Southwest wind around 10 mph, with gusts as high as 21 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 54 °F

    Partly Cloudy
    then Rain
    Likely

  • Friday

    Friday: Rain. High near 61. West wind around 10 mph becoming north in the morning. Winds could gust as high as 20 mph. Chance of precipitation is 80%.

    High: 61 °F

    Rain

  • Friday Night

    Friday Night: Rain likely, mainly before 8pm. Mostly cloudy, with a low around 32. Chance of precipitation is 60%.

    Low: 32 °F

    Rain Likely
    then Slight
    Chance Rain

  • Saturday

    Saturday: Sunny, with a high near 46.

    High: 46 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 30.

    Low: 30 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 54.

    High: 54 °F

    Sunny

Detailed Forecast

This Afternoon
Partly sunny, with a high near 57. South wind around 9 mph.
Tonight
Mostly cloudy, with a low around 48. South wind around 9 mph, with gusts as high as 20 mph.
Thursday
A slight chance of rain before 1pm, then a slight chance of rain after 3pm. Mostly sunny, with a high near 73. Southwest wind 7 to 10 mph, with gusts as high as 22 mph. Chance of precipitation is 20%.
Thursday Night
A slight chance of rain before 7pm, then rain likely and possibly a thunderstorm after 2am. Increasing clouds, with a low around 54. Southwest wind around 10 mph, with gusts as high as 21 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday
Rain. High near 61. West wind around 10 mph becoming north in the morning. Winds could gust as high as 20 mph. Chance of precipitation is 80%.
Friday Night
Rain likely, mainly before 8pm. Mostly cloudy, with a low around 32. Chance of precipitation is 60%.
Saturday
Sunny, with a high near 46.
Saturday Night
Mostly clear, with a low around 30.
Sunday
Sunny, with a high near 54.
Sunday Night
Partly cloudy, with a low around 41.
Monday
Partly sunny, with a high near 61.
Monday Night
Mostly cloudy, with a low around 49.
Tuesday
A chance of rain. Partly sunny, with a high near 65. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
Germantown MD
 39.18°N 77.26°W (Elev. 489 ft)
Last Update:
2:24 pm EDT Mar 25, 2026
Forecast Valid:
2pm EDT Mar 25, 2026-6pm EDT Mar 31, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation