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.

A Few Clouds

49°F

9°C

Humidity 36%
Wind Speed SW 5 mph
Barometer 29.71 in (1007.7 mb)
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Wind Chill47°F (8°C)
Last update 14 Jan 1:56 am EST
Extended Forecast for

Germantown MD

  • Overnight

    Overnight: Cloudy, with a low around 41. Southwest wind 6 to 8 mph.

    Low: 41 °F

    Cloudy

  • Wednesday

    Wednesday: A chance of rain before noon, then a slight chance of rain after 4pm. Cloudy, with a high near 50. South wind 3 to 6 mph. Chance of precipitation is 40%.

    High: 50 °F

    Chance Rain

  • Wednesday Night

    Wednesday Night: Rain likely before 3am, then a slight chance of snow between 3am and 4am. Cloudy, with a low around 23. Light and variable wind becoming northwest 9 to 14 mph after midnight. Winds could gust as high as 23 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    Low: 23 °F

    Rain Likely
    then
    Rain/Snow
    Likely

  • Thursday

    Thursday: Mostly sunny, with a high near 29. Northwest wind 13 to 16 mph, with gusts as high as 28 mph.

    High: 29 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 17. West wind 8 to 13 mph, with gusts as high as 23 mph.

    Low: 17 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 33.

    High: 33 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 27.

    Low: 27 °F

    Partly Cloudy

  • Saturday

    Saturday: A chance of rain and snow before 1pm. Partly sunny, with a high near 42. Chance of precipitation is 30%.

    High: 42 °F

    Chance
    Rain/Snow

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 21.

    Low: 21 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Cloudy, with a low around 41. Southwest wind 6 to 8 mph.
Wednesday
A chance of rain before noon, then a slight chance of rain after 4pm. Cloudy, with a high near 50. South wind 3 to 6 mph. Chance of precipitation is 40%.
Wednesday Night
Rain likely before 3am, then a slight chance of snow between 3am and 4am. Cloudy, with a low around 23. Light and variable wind becoming northwest 9 to 14 mph after midnight. Winds could gust as high as 23 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Thursday
Mostly sunny, with a high near 29. Northwest wind 13 to 16 mph, with gusts as high as 28 mph.
Thursday Night
Partly cloudy, with a low around 17. West wind 8 to 13 mph, with gusts as high as 23 mph.
Friday
Mostly sunny, with a high near 33.
Friday Night
Partly cloudy, with a low around 27.
Saturday
A chance of rain and snow before 1pm. Partly sunny, with a high near 42. Chance of precipitation is 30%.
Saturday Night
Mostly cloudy, with a low around 21.
Sunday
Partly sunny, with a high near 29.
Sunday Night
Partly cloudy, with a low around 17.
M.L.King Day
Mostly sunny, with a high near 32.
Monday Night
Partly cloudy, with a low around 16.
Tuesday
Mostly sunny, with a high near 26.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Germantown MD
 39.18°N 77.26°W (Elev. 489 ft)
Last Update:
12:53 am EST Jan 14, 2026
Forecast Valid:
2am EST Jan 14, 2026-6pm EST Jan 20, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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