Current conditions at

Gaithersburg - Montgomery County Airport (KGAI)

Lat: 39.17°NLon: 77.17°WElev: 495ft.

Fair

24°F

-4°C

Humidity 84%
Wind Speed S 5 mph
Barometer 30.22 in (1025.4 mb)
Dewpoint 20°F (-7°C)
Visibility 10.00 mi
Wind Chill18°F (-8°C)
Last update 5 Jan 12:56 am EST
Extended Forecast for

Dayton MD

  • Overnight

    Overnight: Mostly cloudy, with a low around 24. Calm wind.

    Low: 24 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 40. Light southeast wind becoming south 5 to 10 mph in the morning. Winds could gust as high as 18 mph.

    High: 40 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 32. South wind around 5 mph becoming calm  in the evening.

    Low: 32 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 49. Calm wind becoming southeast around 6 mph in the afternoon.

    High: 49 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 41. South wind 5 to 7 mph becoming west after midnight.

    Low: 41 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 54.

    High: 54 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 35.

    Low: 35 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 54.

    High: 54 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A chance of rain after 1am.  Mostly cloudy, with a low around 45. Chance of precipitation is 30%.

    Low: 45 °F

    Mostly Cloudy
    then Chance
    Rain

Detailed Forecast

Overnight
Mostly cloudy, with a low around 24. Calm wind.
Monday
Mostly cloudy, with a high near 40. Light southeast wind becoming south 5 to 10 mph in the morning. Winds could gust as high as 18 mph.
Monday Night
Mostly cloudy, with a low around 32. South wind around 5 mph becoming calm in the evening.
Tuesday
Mostly cloudy, with a high near 49. Calm wind becoming southeast around 6 mph in the afternoon.
Tuesday Night
Mostly cloudy, with a low around 41. South wind 5 to 7 mph becoming west after midnight.
Wednesday
Mostly sunny, with a high near 54.
Wednesday Night
Mostly clear, with a low around 35.
Thursday
Mostly sunny, with a high near 54.
Thursday Night
A chance of rain after 1am. Mostly cloudy, with a low around 45. Chance of precipitation is 30%.
Friday
A chance of rain. Mostly cloudy, with a high near 61. Chance of precipitation is 50%.
Friday Night
Rain likely. Mostly cloudy, with a low around 53. Chance of precipitation is 60%.
Saturday
Rain likely. Mostly cloudy, with a high near 61. Chance of precipitation is 60%.
Saturday Night
A chance of rain. Mostly cloudy, with a low around 35. Chance of precipitation is 30%.
Sunday
Partly sunny, with a high near 42.
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ABOUT THIS FORECAST

 
Point Forecast:
Dayton MD
 39.24°N 76.99°W (Elev. 568 ft)
12:53 am EST Jan 5, 2026
1am EST Jan 5, 2026-6pm EST Jan 11, 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