Storm Impacting the Southwest U.S.

A slow moving weather disturbance will continue to bring periodic rain showers, a few isolated thunderstorms, and a localized flash flooding across the Southwest. The threat will expand into the Southern Plains Wednesday night. Moderate to heavy snow across the Sierra Nevada and southern Utah Ranges will continue into the overnight period. Read More >

Current conditions at

Gaithersburg - Montgomery County Airport (KGAI)

Lat: 39.17°NLon: 77.17°WElev: 495ft.

Rain

41°F

5°C

Humidity NA
Wind Speed E 5 mph
Barometer 30.05 in (1019.1 mb)
Dewpoint N/A
Visibility 5.00 mi
Wind Chill38°F (3°C)
Last update 19 Nov 1:56 am EST
Extended Forecast for

Dayton MD

  • Overnight

    Overnight: Rain, mainly before 4am.  Patchy fog. Low around 39. Southeast wind 3 to 5 mph.  Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 39 °F

    Rain and
    Patchy Fog

  • Wednesday

    Wednesday: Patchy fog before 10am.  Otherwise, cloudy, with a high near 48. Calm wind becoming north around 6 mph in the morning.

    High: 48 °F

    Patchy Fog
    then Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 36. Calm wind.

    Low: 36 °F

    Mostly Cloudy

  • Thursday

    Thursday: Cloudy, with a high near 49. Calm wind.

    High: 49 °F

    Cloudy

  • Thursday Night

    Thursday Night: Cloudy, with a low around 42. Calm wind.

    Low: 42 °F

    Cloudy

  • Friday

    Friday: A slight chance of rain.  Cloudy, with a high near 56. Chance of precipitation is 20%.

    High: 56 °F

    Slight Chance
    Rain

  • Friday Night

    Friday Night: Rain likely.  Cloudy, with a low around 48. Chance of precipitation is 70%.

    Low: 48 °F

    Rain Likely

  • Saturday

    Saturday: A chance of rain.  Mostly cloudy, with a high near 57. Chance of precipitation is 50%.

    High: 57 °F

    Chance Rain

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 38.

    Low: 38 °F

    Partly Cloudy

Detailed Forecast

Overnight
Rain, mainly before 4am. Patchy fog. Low around 39. Southeast wind 3 to 5 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
Patchy fog before 10am. Otherwise, cloudy, with a high near 48. Calm wind becoming north around 6 mph in the morning.
Wednesday Night
Mostly cloudy, with a low around 36. Calm wind.
Thursday
Cloudy, with a high near 49. Calm wind.
Thursday Night
Cloudy, with a low around 42. Calm wind.
Friday
A slight chance of rain. Cloudy, with a high near 56. Chance of precipitation is 20%.
Friday Night
Rain likely. Cloudy, with a low around 48. Chance of precipitation is 70%.
Saturday
A chance of rain. Mostly cloudy, with a high near 57. Chance of precipitation is 50%.
Saturday Night
Partly cloudy, with a low around 38.
Sunday
Mostly sunny, with a high near 54.
Sunday Night
Partly cloudy, with a low around 40.
Monday
Mostly sunny, with a high near 57.
Monday Night
Partly cloudy, with a low around 39.
Tuesday
Partly sunny, with a high near 55.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Dayton MD
 39.24°N 76.99°W (Elev. 568 ft)
2:07 am EST Nov 19, 2025
2am EST Nov 19, 2025-6pm EST Nov 25, 2025
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database