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

29°F

-2°C

Humidity 85%
Wind Speed Calm
Barometer 30.15 in (1020.8 mb)
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Last update 13 Jan 6:52 am EST
Extended Forecast for

Great Mills MD

  • Today

    Today: Sunny, with a high near 50. Calm wind becoming south 5 to 9 mph in the morning.

    High: 50 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 38. Southwest wind 9 to 11 mph, with gusts as high as 20 mph.

    Low: 38 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Increasing clouds, with a high near 53. Southwest wind 6 to 9 mph.

    High: 53 °F

    Increasing
    Clouds

  • Wednesday Night

    Wednesday Night: A chance of rain before 4am, then a chance of rain and snow. Mostly cloudy, with a low around 27. Light and variable wind becoming northwest 10 to 15 mph in the evening. Winds could gust as high as 25 mph. Chance of precipitation is 50%.

    Low: 27 °F

    Chance Rain
    then Chance
    Rain/Snow

  • Thursday

    Thursday: A chance of snow before 7am. Partly sunny, with a high near 34. Northwest wind around 16 mph, with gusts as high as 26 mph. Chance of precipitation is 30%.

    High: 34 °F

    Chance Snow
    then Mostly
    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 18.

    Low: 18 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 37.

    High: 37 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 29.

    Low: 29 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 44.

    High: 44 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 50. Calm wind becoming south 5 to 9 mph in the morning.
Tonight
Partly cloudy, with a low around 38. Southwest wind 9 to 11 mph, with gusts as high as 20 mph.
Wednesday
Increasing clouds, with a high near 53. Southwest wind 6 to 9 mph.
Wednesday Night
A chance of rain before 4am, then a chance of rain and snow. Mostly cloudy, with a low around 27. Light and variable wind becoming northwest 10 to 15 mph in the evening. Winds could gust as high as 25 mph. Chance of precipitation is 50%.
Thursday
A chance of snow before 7am. Partly sunny, with a high near 34. Northwest wind around 16 mph, with gusts as high as 26 mph. Chance of precipitation is 30%.
Thursday Night
Mostly clear, with a low around 18.
Friday
Sunny, with a high near 37.
Friday Night
Mostly clear, with a low around 29.
Saturday
Mostly sunny, with a high near 44.
Saturday Night
Partly cloudy, with a low around 26.
Sunday
Partly sunny, with a high near 38.
Sunday Night
Partly cloudy, with a low around 20.
M.L.King Day
Sunny, with a high near 36.
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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 13, 2026
Forecast Valid:
7am EST Jan 13, 2026-6pm EST Jan 19, 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