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.

Mostly Cloudy

73°F

23°C

Humidity 57%
Wind Speed NE 8 mph
Barometer 30.10 in (1019.2 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 25 Jul 10:52 am EDT
Extended Forecast for

Great Mills MD

  • Today

    Today: A slight chance of showers before 11am. Mostly cloudy, then gradually becoming sunny, with a high near 81. Northeast wind 3 to 6 mph. Chance of precipitation is 20%.

    High: 81 °F

    Slight Chance
    Showers then
    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 66. Calm wind.

    Low: 66 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 84. Northeast wind 3 to 6 mph.

    High: 84 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 68. Light and variable wind becoming south around 5 mph.

    Low: 68 °F

    Mostly Clear

  • Monday

    Monday: A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 87. Calm wind becoming south 5 to 8 mph in the afternoon. Chance of precipitation is 40%.

    High: 87 °F

    Mostly Sunny
    then Chance
    T-storms

  • Monday Night

    Monday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 71. Chance of precipitation is 30%.

    Low: 71 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: A chance of showers and thunderstorms before 8am, then a chance of showers between 8am and 2pm, then showers and possibly a thunderstorm after 2pm. High near 89. Chance of precipitation is 80%.

    High: 89 °F

    Chance
    Showers then
    Showers

  • Tuesday Night

    Tuesday Night: Showers and possibly a thunderstorm, mainly before 2am. Low around 70. Chance of precipitation is 80%.

    Low: 70 °F

    Showers

  • Wednesday

    Wednesday: A slight chance of showers after 2pm. Mostly sunny, with a high near 86. Chance of precipitation is 20%.

    High: 86 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

Detailed Forecast

Today
A slight chance of showers before 11am. Mostly cloudy, then gradually becoming sunny, with a high near 81. Northeast wind 3 to 6 mph. Chance of precipitation is 20%.
Tonight
Mostly clear, with a low around 66. Calm wind.
Sunday
Sunny, with a high near 84. Northeast wind 3 to 6 mph.
Sunday Night
Mostly clear, with a low around 68. Light and variable wind becoming south around 5 mph.
Monday
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 87. Calm wind becoming south 5 to 8 mph in the afternoon. Chance of precipitation is 40%.
Monday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 71. Chance of precipitation is 30%.
Tuesday
A chance of showers and thunderstorms before 8am, then a chance of showers between 8am and 2pm, then showers and possibly a thunderstorm after 2pm. High near 89. Chance of precipitation is 80%.
Tuesday Night
Showers and possibly a thunderstorm, mainly before 2am. Low around 70. Chance of precipitation is 80%.
Wednesday
A slight chance of showers after 2pm. Mostly sunny, with a high near 86. Chance of precipitation is 20%.
Wednesday Night
Partly cloudy, with a low around 69.
Thursday
A slight chance of showers. Sunny, with a high near 85. Chance of precipitation is 20%.
Thursday Night
Mostly clear, with a low around 70.
Friday
A slight chance of showers and thunderstorms. Sunny, with a high near 86. Chance of precipitation is 20%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Great Mills MD
 38.23°N 76.51°W (Elev. 59 ft)
Last Update:
10:53 am EDT Jul 25, 2026
Forecast Valid:
10am EDT Jul 25, 2026-6pm EDT Jul 31, 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