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.

Overcast

33°F

1°C

Humidity 35%
Wind Speed S 7 mph
Barometer 30.03 in (1018.8 mb)
Dewpoint 8°F (-13°C)
Visibility 10.00 mi
Wind Chill27°F (-3°C)
Last update 16 Jan 7:56 pm EST
Extended Forecast for

Dayton MD

  • Tonight

    Tonight: Scattered snow showers before 3am, then scattered snow showers after 4am. Cloudy, with a low around 29. South wind around 8 mph. Chance of precipitation is 30%.

    Low: 29 °F

    Scattered
    Snow Showers

  • Saturday

    Saturday: Snow showers likely, possibly mixing with rain after 11am, then gradually ending. Mostly cloudy, with a high near 44. Southwest wind 6 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 44 °F

    Rain/Snow
    Likely then
    Mostly Cloudy

  • Saturday Night

    Saturday Night: A chance of rain and snow between 1am and 4am, then a chance of snow after 4am. Mostly cloudy, with a low around 29. Light northwest wind. Chance of precipitation is 30%.

    Low: 29 °F

    Mostly Cloudy
    then Chance
    Rain/Snow

  • Sunday

    Sunday: A chance of snow, mainly before 1pm. Mostly cloudy, with a high near 33. Northwest wind 5 to 8 mph. Chance of precipitation is 30%.

    High: 33 °F

    Chance Snow

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 19. West wind 3 to 5 mph.

    Low: 19 °F

    Mostly Clear

  • M.L.King Day

    M.L.King Day: Sunny, with a high near 35.

    High: 35 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 10.

    Low: 10 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 23.

    High: 23 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 12.

    Low: 12 °F

    Mostly Clear

Detailed Forecast

Tonight
Scattered snow showers before 3am, then scattered snow showers after 4am. Cloudy, with a low around 29. South wind around 8 mph. Chance of precipitation is 30%.
Saturday
Snow showers likely, possibly mixing with rain after 11am, then gradually ending. Mostly cloudy, with a high near 44. Southwest wind 6 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Saturday Night
A chance of rain and snow between 1am and 4am, then a chance of snow after 4am. Mostly cloudy, with a low around 29. Light northwest wind. Chance of precipitation is 30%.
Sunday
A chance of snow, mainly before 1pm. Mostly cloudy, with a high near 33. Northwest wind 5 to 8 mph. Chance of precipitation is 30%.
Sunday Night
Mostly clear, with a low around 19. West wind 3 to 5 mph.
M.L.King Day
Sunny, with a high near 35.
Monday Night
Mostly clear, with a low around 10.
Tuesday
Sunny, with a high near 23.
Tuesday Night
Mostly clear, with a low around 12.
Wednesday
Mostly sunny, with a high near 35.
Wednesday Night
Mostly cloudy, with a low around 28.
Thursday
Partly sunny, with a high near 42.
Thursday Night
A chance of snow. Partly cloudy, with a low around 21. Chance of precipitation is 30%.
Friday
A chance of rain and snow. Partly sunny, with a high near 34. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Dayton MD
 39.24°N 76.99°W (Elev. 568 ft)
Last Update:
6:53 pm EST Jan 16, 2026
Forecast Valid:
8pm EST Jan 16, 2026-6pm EST Jan 23, 2026
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation