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

46°F

8°C

Humidity NA
Wind Speed Calm
Barometer 30.17 in (1023.3 mb)
Dewpoint N/A
Visibility 10.00 mi
Last update 10 Jan 4:56 am EST
Extended Forecast for

Germantown MD

  • Overnight

    Overnight: A chance of rain. Cloudy, with a low around 43. Light north wind. Chance of precipitation is 30%.

    Low: 43 °F

    Chance Rain

  • Saturday

    Saturday: Rain, mainly before 5pm. High near 47. East wind 3 to 8 mph. Winds could gust as high as 18 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    High: 47 °F

    Rain

  • Saturday Night

    Saturday Night: Rain likely, mainly before 1am. Mostly cloudy, with a low around 37. Calm wind becoming northwest 5 to 9 mph after midnight. Winds could gust as high as 22 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 37 °F

    Rain Likely
    then Slight
    Chance Rain

  • Sunday

    Sunday: A slight chance of rain after 1pm, mixing with snow after 4pm. Mostly sunny, with a high near 44. Breezy, with a northwest wind 9 to 14 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 39 mph. Chance of precipitation is 20%.

    High: 44 °F

    Mostly Sunny
    then Slight
    Chance
    Rain/Snow and
    Breezy

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 28. West wind 14 to 18 mph, with gusts as high as 34 mph.

    Low: 28 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 43.

    High: 43 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 29.

    Low: 29 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 49.

    High: 49 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 40.

    Low: 40 °F

    Mostly Cloudy

Detailed Forecast

Overnight
A chance of rain. Cloudy, with a low around 43. Light north wind. Chance of precipitation is 30%.
Saturday
Rain, mainly before 5pm. High near 47. East wind 3 to 8 mph. Winds could gust as high as 18 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Saturday Night
Rain likely, mainly before 1am. Mostly cloudy, with a low around 37. Calm wind becoming northwest 5 to 9 mph after midnight. Winds could gust as high as 22 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday
A slight chance of rain after 1pm, mixing with snow after 4pm. Mostly sunny, with a high near 44. Breezy, with a northwest wind 9 to 14 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 39 mph. Chance of precipitation is 20%.
Sunday Night
Mostly clear, with a low around 28. West wind 14 to 18 mph, with gusts as high as 34 mph.
Monday
Sunny, with a high near 43.
Monday Night
Partly cloudy, with a low around 29.
Tuesday
Mostly sunny, with a high near 49.
Tuesday Night
Mostly cloudy, with a low around 40.
Wednesday
Mostly cloudy, with a high near 50.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 29. Chance of precipitation is 30%.
Thursday
A chance of rain. Partly sunny, with a high near 36. Chance of precipitation is 30%.
Thursday Night
Partly cloudy, with a low around 21.
Friday
Mostly sunny, with a high near 36.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Germantown MD
 39.16°N 77.27°W (Elev. 381 ft)
Last Update:
3:53 am EST Jan 10, 2026
Forecast Valid:
5am EST Jan 10, 2026-6pm EST Jan 16, 2026
 
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Additional Resources

Radar & Satellite Image

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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