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.

Partly Cloudy

43°F

6°C

Humidity 71%
Wind Speed SE 12 mph
Barometer 29.95 in (1014.2 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Wind Chill37°F (3°C)
Last update 13 Jan 2:52 pm EST
Extended Forecast for

Great Mills MD

  • Tonight

    Tonight: Partly cloudy, with a low around 38. Southwest wind 8 to 10 mph, with gusts as high as 21 mph.

    Low: 38 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Increasing clouds, with a high near 52. Southwest wind 6 to 9 mph.

    High: 52 °F

    Increasing
    Clouds

  • Wednesday Night

    Wednesday Night: Rain likely before 4am, then a chance of rain and snow. Mostly cloudy, with a low around 26. Light and variable wind becoming northwest 5 to 7 mph after midnight. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Low: 26 °F

    Rain Likely
    then
    Rain/Snow
    Likely

  • Thursday

    Thursday: A chance of rain and snow before 7am. Mostly cloudy, then gradually becoming sunny, with a high near 34. Northwest wind 9 to 14 mph, with gusts as high as 21 mph. Chance of precipitation is 30%.

    High: 34 °F

    Chance
    Rain/Snow
    then Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 19. Northwest wind 7 to 9 mph, with gusts as high as 20 mph.

    Low: 19 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 38.

    High: 38 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 30.

    Low: 30 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 45.

    High: 45 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 25.

    Low: 25 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 38. Southwest wind 8 to 10 mph, with gusts as high as 21 mph.
Wednesday
Increasing clouds, with a high near 52. Southwest wind 6 to 9 mph.
Wednesday Night
Rain likely before 4am, then a chance of rain and snow. Mostly cloudy, with a low around 26. Light and variable wind becoming northwest 5 to 7 mph after midnight. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Thursday
A chance of rain and snow before 7am. Mostly cloudy, then gradually becoming sunny, with a high near 34. Northwest wind 9 to 14 mph, with gusts as high as 21 mph. Chance of precipitation is 30%.
Thursday Night
Mostly clear, with a low around 19. Northwest wind 7 to 9 mph, with gusts as high as 20 mph.
Friday
Sunny, with a high near 38.
Friday Night
Partly cloudy, with a low around 30.
Saturday
Mostly sunny, with a high near 45.
Saturday Night
Mostly cloudy, with a low around 25.
Sunday
Mostly sunny, with a high near 35.
Sunday Night
Mostly clear, with a low around 20.
M.L.King Day
Sunny, with a high near 38.
Monday Night
Partly cloudy, with a low around 19.
Tuesday
Sunny, with a high near 32.
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:
12:54 pm EST Jan 13, 2026
Forecast Valid:
3pm EST Jan 13, 2026-6pm EST Jan 20, 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