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

48°F

9°C

Humidity 96%
Wind Speed Calm
Barometer 29.83 in (1010.1 mb)
Dewpoint 47°F (8°C)
Visibility 9.00 mi
Last update 10 Jan 7:52 pm EST
Extended Forecast for

Great Mills MD

  • Tonight

    Tonight: Rain, mainly before 1am. Low around 43. Southwest wind 6 to 8 mph becoming northwest after midnight. Winds could gust as high as 18 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 43 °F

    Rain

  • Sunday

    Sunday: A slight chance of showers between 1pm and 4pm. Partly sunny, with a temperature falling to around 40 by 5pm. Northwest wind 10 to 17 mph, with gusts as high as 36 mph. Chance of precipitation is 20%.

    High: 48 °F⇓

    Slight Chance
    Showers

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 28. West wind 11 to 16 mph, with gusts as high as 32 mph.

    Low: 28 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 45. West wind 6 to 8 mph becoming southwest in the afternoon.

    High: 45 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 29. West wind 3 to 5 mph.

    Low: 29 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 50.

    High: 50 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 39.

    Low: 39 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 50.

    High: 50 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: A chance of rain. Mostly cloudy, with a low around 29. Chance of precipitation is 30%.

    Low: 29 °F

    Chance Rain

Detailed Forecast

Tonight
Rain, mainly before 1am. Low around 43. Southwest wind 6 to 8 mph becoming northwest after midnight. Winds could gust as high as 18 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday
A slight chance of showers between 1pm and 4pm. Partly sunny, with a temperature falling to around 40 by 5pm. Northwest wind 10 to 17 mph, with gusts as high as 36 mph. Chance of precipitation is 20%.
Sunday Night
Mostly clear, with a low around 28. West wind 11 to 16 mph, with gusts as high as 32 mph.
Monday
Sunny, with a high near 45. West wind 6 to 8 mph becoming southwest in the afternoon.
Monday Night
Mostly clear, with a low around 29. West wind 3 to 5 mph.
Tuesday
Sunny, with a high near 50.
Tuesday Night
Partly cloudy, with a low around 39.
Wednesday
Mostly cloudy, with a high near 50.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 29. Chance of precipitation is 30%.
Thursday
A chance of rain before 1pm, then a chance of rain and snow. Partly sunny, with a high near 39. Chance of precipitation is 30%.
Thursday Night
Partly cloudy, with a low around 23.
Friday
Mostly sunny, with a high near 40.
Friday Night
Partly cloudy, with a low around 28.
Saturday
Mostly sunny, with a high near 44.
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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 pm EST Jan 10, 2026
Forecast Valid:
7pm EST Jan 10, 2026-6pm EST Jan 17, 2026
 
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