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

Patuxent River, Naval Air Station (KNHK)

Lat: 38.28°NLon: 76.41°WElev: 39ft.

A Few Clouds

35°F

2°C

Humidity 59%
Wind Speed W 9 mph
Barometer 30.35 in (1027.6 mb)
Dewpoint 22°F (-6°C)
Visibility 10.00 mi
Wind Chill28°F (-2°C)
Last update 12 Jan 8:52 am EST
Extended Forecast for

Great Mills MD

  • Today

    Today: Sunny, with a high near 46. West wind around 7 mph becoming southwest in the afternoon.

    High: 46 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 29. Southwest wind around 6 mph becoming calm after midnight.

    Low: 29 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 49. Calm wind becoming south 5 to 7 mph in the morning.

    High: 49 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 38. South wind 7 to 9 mph, with gusts as high as 21 mph.

    Low: 38 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 52. Southwest wind 6 to 9 mph.

    High: 52 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: A chance of rain, mainly after 1am. Mostly cloudy, with a low around 34. Chance of precipitation is 50%.

    Low: 34 °F

    Slight Chance
    Rain then
    Chance Rain

  • Thursday

    Thursday: A chance of rain. Mostly cloudy, with a high near 44. Chance of precipitation is 50%.

    High: 44 °F

    Chance Rain

  • Thursday Night

    Thursday Night: A chance of rain and snow before 1am, then a chance of snow. Mostly cloudy, with a low around 22. Chance of precipitation is 40%.

    Low: 22 °F

    Chance
    Rain/Snow

  • Friday

    Friday: Sunny, with a high near 37.

    High: 37 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 46. West wind around 7 mph becoming southwest in the afternoon.
Tonight
Mostly clear, with a low around 29. Southwest wind around 6 mph becoming calm after midnight.
Tuesday
Sunny, with a high near 49. Calm wind becoming south 5 to 7 mph in the morning.
Tuesday Night
Partly cloudy, with a low around 38. South wind 7 to 9 mph, with gusts as high as 21 mph.
Wednesday
Mostly cloudy, with a high near 52. Southwest wind 6 to 9 mph.
Wednesday Night
A chance of rain, mainly after 1am. Mostly cloudy, with a low around 34. Chance of precipitation is 50%.
Thursday
A chance of rain. Mostly cloudy, with a high near 44. Chance of precipitation is 50%.
Thursday Night
A chance of rain and snow before 1am, then a chance of snow. Mostly cloudy, with a low around 22. Chance of precipitation is 40%.
Friday
Sunny, with a high near 37.
Friday Night
Mostly clear, with a low around 25.
Saturday
Mostly sunny, with a high near 45.
Saturday Night
Mostly cloudy, with a low around 26.
Sunday
Mostly sunny, with a high near 38.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Great Mills MD
 38.27°N 76.5°W (Elev. 98 ft)
Last Update:
6:53 am EST Jan 12, 2026
Forecast Valid:
9am EST Jan 12, 2026-6pm EST Jan 18, 2026
 
Forecast Discussion
 
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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation