Current conditions at

Gaithersburg - Montgomery County Airport (KGAI)

Lat: 39.17°NLon: 77.17°WElev: 495ft.

Overcast

28°F

-2°C

Humidity 44%
Wind Speed Calm
Barometer 29.82 in (1012.0 mb)
Dewpoint 9°F (-13°C)
Visibility 10.00 mi
Last update 2 Jan 8:56 am EST
Extended Forecast for

Dayton MD

  • Today

    Today: Sunny, with a high near 37. Calm wind becoming west 5 to 8 mph in the afternoon.

    High: 37 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 23. Northwest wind around 6 mph.

    Low: 23 °F

    Increasing
    Clouds

  • Saturday

    Saturday: Mostly cloudy, with a high near 34. Light northwest wind.

    High: 34 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: A slight chance of snow before 1am.  Cloudy, then gradually becoming partly cloudy, with a low around 24. Calm wind.  Chance of precipitation is 20%.

    Low: 24 °F

    Slight Chance
    Snow

  • Sunday

    Sunday: Sunny, with a high near 38. Light northwest wind increasing to 6 to 11 mph in the morning. Winds could gust as high as 18 mph.

    High: 38 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 22.

    Low: 22 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 37.

    High: 37 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 30.

    Low: 30 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 47.

    High: 47 °F

    Mostly Cloudy

Detailed Forecast

Today
Sunny, with a high near 37. Calm wind becoming west 5 to 8 mph in the afternoon.
Tonight
Increasing clouds, with a low around 23. Northwest wind around 6 mph.
Saturday
Mostly cloudy, with a high near 34. Light northwest wind.
Saturday Night
A slight chance of snow before 1am. Cloudy, then gradually becoming partly cloudy, with a low around 24. Calm wind. Chance of precipitation is 20%.
Sunday
Sunny, with a high near 38. Light northwest wind increasing to 6 to 11 mph in the morning. Winds could gust as high as 18 mph.
Sunday Night
Mostly cloudy, with a low around 22.
Monday
Mostly cloudy, with a high near 37.
Monday Night
Mostly cloudy, with a low around 30.
Tuesday
Mostly cloudy, with a high near 47.
Tuesday Night
Mostly cloudy, with a low around 38.
Wednesday
Mostly cloudy, with a high near 55.
Wednesday Night
Mostly cloudy, with a low around 36.
Thursday
Mostly cloudy, with a high near 50.
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ABOUT THIS FORECAST

 
Point Forecast:
Dayton MD
 39.24°N 76.99°W (Elev. 568 ft)
6:53 am EST Jan 2, 2026
9am EST Jan 2, 2026-6pm EST Jan 8, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database