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Hazardous Weather Conditions

Current conditions at

Gaithersburg - Montgomery County Airport (KGAI)

Lat: 39.17°NLon: 77.17°WElev: 495ft.

Overcast

40°F

4°C

Humidity 79%
Wind Speed S 10 mph
Barometer 30.01 in (1018.0 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Wind Chill34°F (1°C)
Last update 28 Dec 3:56 pm EST
Extended Forecast for

Dayton MD

Wind Advisory December 29, 09:00am until December 30, 01:00am
Click here for hazard details and duration
Wind Advisory

  • This Afternoon

    This Afternoon: A slight chance of rain. Cloudy, with a high near 40. South wind around 8 mph. Chance of precipitation is 20%.

    High: 40 °F

    Slight Chance
    Rain

  • Tonight

    Tonight: Cloudy, with a temperature rising to around 50 by 5am. South wind 9 to 14 mph, with gusts as high as 28 mph.

    Low: 40 °F⇑

    Cloudy

  • Monday

    Monday: Rain likely, mainly before 10am. Cloudy through mid morning, then gradual clearing, with a temperature rising to near 56 by 11am, then falling to around 37 during the remainder of the day. Windy, with a west wind 18 to 23 mph increasing to 26 to 31 mph in the afternoon. Winds could gust as high as 47 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 56 °F⇓

    Rain Likely
    and Breezy
    then Mostly
    Sunny and
    Windy

  • Monday Night

    Monday Night: Partly cloudy, with a low around 25. Windy, with a west wind 24 to 26 mph, with gusts as high as 49 mph.

    Low: 25 °F

    Partly Cloudy
    and Windy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 33. Breezy, with a west wind 17 to 25 mph, with gusts as high as 37 mph.

    High: 33 °F

    Mostly Sunny
    and Breezy

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 23.

    Low: 23 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 41.

    High: 41 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 24.

    Low: 24 °F

    Mostly Cloudy

  • New Year's Day

    New Year's Day: Mostly cloudy, with a high near 34.

    High: 34 °F

    Mostly Cloudy

Detailed Forecast

This Afternoon
A slight chance of rain. Cloudy, with a high near 40. South wind around 8 mph. Chance of precipitation is 20%.
Tonight
Cloudy, with a temperature rising to around 50 by 5am. South wind 9 to 14 mph, with gusts as high as 28 mph.
Monday
Rain likely, mainly before 10am. Cloudy through mid morning, then gradual clearing, with a temperature rising to near 56 by 11am, then falling to around 37 during the remainder of the day. Windy, with a west wind 18 to 23 mph increasing to 26 to 31 mph in the afternoon. Winds could gust as high as 47 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Monday Night
Partly cloudy, with a low around 25. Windy, with a west wind 24 to 26 mph, with gusts as high as 49 mph.
Tuesday
Mostly sunny, with a high near 33. Breezy, with a west wind 17 to 25 mph, with gusts as high as 37 mph.
Tuesday Night
Partly cloudy, with a low around 23.
Wednesday
Partly sunny, with a high near 41.
Wednesday Night
Mostly cloudy, with a low around 24.
New Year's Day
Mostly cloudy, with a high near 34.
Thursday Night
Partly cloudy, with a low around 20.
Friday
Mostly sunny, with a high near 36.
Friday Night
Partly cloudy, with a low around 23.
Saturday
Partly sunny, with a high near 39.
Saturday Night
Mostly cloudy, with a low around 25.
Sunday
Mostly sunny, with a high near 39.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Dayton MD
 39.24°N 76.96°W (Elev. 449 ft)
Last Update:
3:53 pm EST Dec 28, 2025
Forecast Valid:
4pm EST Dec 28, 2025-6pm EST Jan 4, 2026
 
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Additional Resources

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Chance of Precipitation