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

29°F

-2°C

Humidity 82%
Wind Speed SW 3 mph
Barometer 30.28 in (1025.5 mb)
Dewpoint 24°F (-4°C)
Visibility 10.00 mi
Last update 1 Dec 8:52 pm EST
Extended Forecast for

Great Mills MD

  • Tonight

    Tonight: Rain likely, mainly after 5am. Mostly cloudy, with a low around 35. East wind around 6 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 35 °F

    Mostly Cloudy
    then Rain
    Likely

  • Tuesday

    Tuesday: Rain, mainly before 3pm. High near 44. East wind 6 to 11 mph becoming northwest in the afternoon. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.

    High: 44 °F

    Rain

  • Tuesday Night

    Tuesday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 31. Northwest wind 11 to 14 mph, with gusts as high as 26 mph.

    Low: 31 °F

    Decreasing
    Clouds

  • Wednesday

    Wednesday: Sunny, with a high near 44. Northwest wind 5 to 10 mph becoming light west in the afternoon.

    High: 44 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 30. Calm wind becoming southwest around 5 mph after midnight.

    Low: 30 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 47.

    High: 47 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 25.

    Low: 25 °F

    Partly Cloudy

  • Friday

    Friday: A chance of snow after 1pm. Mostly cloudy, with a high near 40. Chance of precipitation is 30%.

    High: 40 °F

    Partly Sunny
    then Chance
    Snow

  • Friday Night

    Friday Night: Rain likely, mainly after 1am. Mostly cloudy, with a low around 31. Chance of precipitation is 60%.

    Low: 31 °F

    Rain Likely

Detailed Forecast

Tonight
Rain likely, mainly after 5am. Mostly cloudy, with a low around 35. East wind around 6 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday
Rain, mainly before 3pm. High near 44. East wind 6 to 11 mph becoming northwest in the afternoon. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.
Tuesday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 31. Northwest wind 11 to 14 mph, with gusts as high as 26 mph.
Wednesday
Sunny, with a high near 44. Northwest wind 5 to 10 mph becoming light west in the afternoon.
Wednesday Night
Mostly clear, with a low around 30. Calm wind becoming southwest around 5 mph after midnight.
Thursday
Mostly sunny, with a high near 47.
Thursday Night
Partly cloudy, with a low around 25.
Friday
A chance of snow after 1pm. Mostly cloudy, with a high near 40. Chance of precipitation is 30%.
Friday Night
Rain likely, mainly after 1am. Mostly cloudy, with a low around 31. Chance of precipitation is 60%.
Saturday
A chance of rain before 1pm. Partly sunny, with a high near 47. Chance of precipitation is 30%.
Saturday Night
Mostly cloudy, with a low around 32.
Sunday
Partly sunny, with a high near 47.
Sunday Night
Mostly cloudy, with a low around 29.
Monday
Mostly sunny, with a high near 40.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Great Mills MD
 38.25°N 76.48°W (Elev. 98 ft)
Last Update:
6:53 pm EST Dec 1, 2025
Forecast Valid:
9pm EST Dec 1, 2025-6pm EST Dec 8, 2025
 
Forecast Discussion
 
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Additional Resources

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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