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.

Partly Cloudy

42°F

6°C

Humidity 38%
Wind Speed NW 12 G 21 mph
Barometer 30.54 in (1035.8 mb)
Dewpoint 18°F (-8°C)
Visibility 10.00 mi
Wind Chill35°F (2°C)
Last update 28 Mar 11:56 am EDT
Extended Forecast for

Dayton MD

  • This Afternoon

    This Afternoon: Sunny, with a high near 49. Northwest wind around 15 mph, with gusts as high as 26 mph.

    High: 49 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 28. Northwest wind around 6 mph becoming calm after midnight.

    Low: 28 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 58. South wind 6 to 15 mph, with gusts as high as 25 mph.

    High: 58 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 44. Southwest wind 10 to 13 mph, with gusts as high as 23 mph.

    Low: 44 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 68. Southwest wind 11 to 13 mph, with gusts as high as 22 mph.

    High: 68 °F

    Partly Sunny

  • Monday Night

    Monday Night: A slight chance of showers. Mostly cloudy, with a low around 53. Chance of precipitation is 20%.

    Low: 53 °F

    Slight Chance
    Showers

  • Tuesday

    Tuesday: Mostly sunny, with a high near 78.

    High: 78 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 62.

    Low: 62 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Showers likely after 2pm. Partly sunny, with a high near 80. Chance of precipitation is 70%.

    High: 80 °F

    Mostly Sunny
    then Showers
    Likely

Detailed Forecast

This Afternoon
Sunny, with a high near 49. Northwest wind around 15 mph, with gusts as high as 26 mph.
Tonight
Mostly clear, with a low around 28. Northwest wind around 6 mph becoming calm after midnight.
Sunday
Mostly sunny, with a high near 58. South wind 6 to 15 mph, with gusts as high as 25 mph.
Sunday Night
Mostly cloudy, with a low around 44. Southwest wind 10 to 13 mph, with gusts as high as 23 mph.
Monday
Partly sunny, with a high near 68. Southwest wind 11 to 13 mph, with gusts as high as 22 mph.
Monday Night
A slight chance of showers. Mostly cloudy, with a low around 53. Chance of precipitation is 20%.
Tuesday
Mostly sunny, with a high near 78.
Tuesday Night
Partly cloudy, with a low around 62.
Wednesday
Showers likely after 2pm. Partly sunny, with a high near 80. Chance of precipitation is 70%.
Wednesday Night
Showers likely, mainly before 2am. Mostly cloudy, with a low around 45. Chance of precipitation is 70%.
Thursday
Showers likely. Mostly cloudy, with a high near 54. Chance of precipitation is 60%.
Thursday Night
Showers likely. Cloudy, with a low around 41. Chance of precipitation is 70%.
Friday
Showers likely. Cloudy, with a high near 49. Chance of precipitation is 70%.
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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:
10:54 am EDT Mar 28, 2026
Forecast Valid:
12pm EDT Mar 28, 2026-6pm EDT Apr 3, 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