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.

Overcast

44°F

7°C

Humidity 73%
Wind Speed SE 8 mph
Barometer 29.55 in (1000.6 mb)
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Wind Chill39°F (4°C)
Last update 14 Jan 4:52 pm EST
Extended Forecast for

Great Mills MD

  • Tonight

    Tonight: A chance of rain between midnight and 4am. Cloudy, with a low around 30. South wind 8 to 17 mph becoming northwest after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 30%.

    Low: 30 °F

    Cloudy then
    Chance Rain

  • Thursday

    Thursday: Sunny, with a high near 37. Northwest wind 15 to 17 mph, with gusts as high as 30 mph.

    High: 37 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 21. West wind 8 to 16 mph, with gusts as high as 29 mph.

    Low: 21 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 40. South wind 6 to 10 mph.

    High: 40 °F

    Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 33. South wind around 7 mph.

    Low: 33 °F

    Mostly Cloudy

  • Saturday

    Saturday: A chance of rain and snow showers before 1pm, then a slight chance of rain showers. Partly sunny, with a high near 48. Chance of precipitation is 30%.

    High: 48 °F

    Chance
    Rain/Snow

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 27.

    Low: 27 °F

    Mostly Cloudy

  • Sunday

    Sunday: A chance of snow before 1pm. Partly sunny, with a high near 35. Chance of precipitation is 30%.

    High: 35 °F

    Chance Snow

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 19.

    Low: 19 °F

    Mostly Clear

Detailed Forecast

Tonight
A chance of rain between midnight and 4am. Cloudy, with a low around 30. South wind 8 to 17 mph becoming northwest after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 30%.
Thursday
Sunny, with a high near 37. Northwest wind 15 to 17 mph, with gusts as high as 30 mph.
Thursday Night
Mostly clear, with a low around 21. West wind 8 to 16 mph, with gusts as high as 29 mph.
Friday
Sunny, with a high near 40. South wind 6 to 10 mph.
Friday Night
Mostly cloudy, with a low around 33. South wind around 7 mph.
Saturday
A chance of rain and snow showers before 1pm, then a slight chance of rain showers. Partly sunny, with a high near 48. Chance of precipitation is 30%.
Saturday Night
Mostly cloudy, with a low around 27.
Sunday
A chance of snow before 1pm. Partly sunny, with a high near 35. Chance of precipitation is 30%.
Sunday Night
Mostly clear, with a low around 19.
M.L.King Day
Sunny, with a high near 37.
Monday Night
Mostly clear, with a low around 18.
Tuesday
Mostly sunny, with a high near 31.
Tuesday Night
Mostly clear, with a low around 17.
Wednesday
Sunny, with a high near 36.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Great Mills MD
 38.25°N 76.51°W (Elev. 49 ft)
Last Update:
3:54 pm EST Jan 14, 2026
Forecast Valid:
5pm EST Jan 14, 2026-6pm EST Jan 21, 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