National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Gaithersburg - Montgomery County Airport (KGAI)

Lat: 39.17°NLon: 77.17°WElev: 495ft.

A Few Clouds

35°F

2°C

Humidity 48%
Wind Speed W 20 G 31 mph
Barometer 30.06 in (1019.9 mb)
Dewpoint 17°F (-8°C)
Visibility 10.00 mi
Wind Chill24°F (-4°C)
Last update 11 Jan 4:56 pm EST
Extended Forecast for

Dayton MD

  • Tonight

    Tonight: Mostly clear, with a low around 28. Blustery, with a northwest wind 11 to 21 mph, with gusts as high as 39 mph.

    Low: 28 °F

    Mostly Clear
    and Blustery
    then Mostly
    Clear

  • Monday

    Monday: Mostly sunny, with a high near 43. Southwest wind 8 to 10 mph, with gusts as high as 18 mph.

    High: 43 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 29. Southwest wind around 5 mph becoming calm in the evening.

    Low: 29 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 47. Calm wind becoming south 5 to 7 mph in the afternoon.

    High: 47 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 37. Southwest wind 7 to 9 mph, with gusts as high as 20 mph.

    Low: 37 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A chance of rain. Cloudy, with a high near 50. Chance of precipitation is 30%.

    High: 50 °F

    Chance Rain

  • Wednesday Night

    Wednesday Night: Rain likely, mainly after 1am. Mostly cloudy, with a low around 33. Chance of precipitation is 60%.

    Low: 33 °F

    Rain Likely

  • Thursday

    Thursday: A chance of rain before 1pm, then a chance of rain and snow. Mostly cloudy, with a high near 38. Chance of precipitation is 50%.

    High: 38 °F

    Chance Rain
    then Chance
    Rain/Snow

  • Thursday Night

    Thursday Night: A chance of snow before 1am. Mostly cloudy, with a low around 20. Chance of precipitation is 30%.

    Low: 20 °F

    Chance Snow

Detailed Forecast

Tonight
Mostly clear, with a low around 28. Blustery, with a northwest wind 11 to 21 mph, with gusts as high as 39 mph.
Monday
Mostly sunny, with a high near 43. Southwest wind 8 to 10 mph, with gusts as high as 18 mph.
Monday Night
Partly cloudy, with a low around 29. Southwest wind around 5 mph becoming calm in the evening.
Tuesday
Mostly sunny, with a high near 47. Calm wind becoming south 5 to 7 mph in the afternoon.
Tuesday Night
Mostly cloudy, with a low around 37. Southwest wind 7 to 9 mph, with gusts as high as 20 mph.
Wednesday
A chance of rain. Cloudy, with a high near 50. Chance of precipitation is 30%.
Wednesday Night
Rain likely, mainly after 1am. Mostly cloudy, with a low around 33. Chance of precipitation is 60%.
Thursday
A chance of rain before 1pm, then a chance of rain and snow. Mostly cloudy, with a high near 38. Chance of precipitation is 50%.
Thursday Night
A chance of snow before 1am. Mostly cloudy, with a low around 20. Chance of precipitation is 30%.
Friday
Mostly sunny, with a high near 33.
Friday Night
Partly cloudy, with a low around 22.
Saturday
Partly sunny, with a high near 38.
Saturday Night
Mostly cloudy, with a low around 25.
Sunday
A chance of snow. Partly sunny, with a high near 35. 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:
3:53 pm EST Jan 11, 2026
Forecast Valid:
5pm EST Jan 11, 2026-6pm EST Jan 18, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation