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.

Overcast

59°F

15°C

Humidity 87%
Wind Speed Calm
Barometer 29.72 in (1007.4 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 23 Mar 4:56 am EDT
Extended Forecast for

Dayton MD

  • Overnight

    Overnight: Showers. Steady temperature around 57. North wind around 11 mph, with gusts as high as 23 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 57 °F

    Showers

  • Monday

    Monday: Showers, mainly before 10am. High near 55. North wind 9 to 18 mph, with gusts as high as 31 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    High: 55 °F

    Showers then
    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 30. Northwest wind 10 to 14 mph, with gusts as high as 24 mph.

    Low: 30 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 49. North wind around 6 mph becoming calm in the afternoon.

    High: 49 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 35. Light south wind.

    Low: 35 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 58.

    High: 58 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 45.

    Low: 45 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly cloudy, with a high near 68.

    High: 68 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: Rain likely after 2am. Mostly cloudy, with a low around 50. Chance of precipitation is 60%.

    Low: 50 °F

    Mostly Cloudy
    then Rain
    Likely

Detailed Forecast

Overnight
Showers. Steady temperature around 57. North wind around 11 mph, with gusts as high as 23 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Monday
Showers, mainly before 10am. High near 55. North wind 9 to 18 mph, with gusts as high as 31 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Monday Night
Mostly clear, with a low around 30. Northwest wind 10 to 14 mph, with gusts as high as 24 mph.
Tuesday
Sunny, with a high near 49. North wind around 6 mph becoming calm in the afternoon.
Tuesday Night
Partly cloudy, with a low around 35. Light south wind.
Wednesday
Mostly sunny, with a high near 58.
Wednesday Night
Mostly cloudy, with a low around 45.
Thursday
Mostly cloudy, with a high near 68.
Thursday Night
Rain likely after 2am. Mostly cloudy, with a low around 50. Chance of precipitation is 60%.
Friday
Rain likely, mainly before 8am. Mostly cloudy, with a high near 59. Chance of precipitation is 60%.
Friday Night
Partly cloudy, with a low around 28.
Saturday
Sunny, with a high near 47.
Saturday Night
Mostly clear, with a low around 30.
Sunday
Sunny, with a high near 53.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Dayton MD
 39.24°N 76.99°W (Elev. 568 ft)
Last Update:
4:53 am EDT Mar 23, 2026
Forecast Valid:
5am EDT Mar 23, 2026-6pm EDT Mar 29, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation