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

79°F

26°C

Humidity 85%
Wind Speed W 7 mph
Barometer 29.91 in (1012.7 mb)
Dewpoint 74°F (23°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 14 Aug 8:52 am EDT
Extended Forecast for

St. Marys City MD

  • Today

    Today: A slight chance of showers between 1pm and 2pm, then a chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 87. Northwest wind 3 to 5 mph. Chance of precipitation is 40%.

    High: 87 °F

    Mostly Sunny
    then Chance
    T-storms

  • Tonight

    Tonight: A chance of showers and thunderstorms, mainly before 8pm. Patchy fog after 1am. Otherwise, partly cloudy, with a low around 71. Calm wind. Chance of precipitation is 30%.

    Low: 71 °F

    Chance
    T-storms and
    Patchy Fog

  • Friday

    Friday: A chance of showers, with thunderstorms also possible after 11am. Mostly sunny, with a high near 86. Northeast wind 3 to 6 mph. Chance of precipitation is 30%.

    High: 86 °F

    Chance
    Showers then
    Chance
    T-storms

  • Friday Night

    Friday Night: A chance of thunderstorms before 8pm. Partly cloudy, with a low around 71. East wind 3 to 5 mph. Chance of precipitation is 30%.

    Low: 71 °F

    Chance
    T-storms then
    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 84. Northeast wind around 6 mph.

    High: 84 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 68.

    Low: 68 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 86.

    High: 86 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 70.

    Low: 70 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 85.

    High: 85 °F

    Mostly Sunny

Detailed Forecast

Today
A slight chance of showers between 1pm and 2pm, then a chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 87. Northwest wind 3 to 5 mph. Chance of precipitation is 40%.
Tonight
A chance of showers and thunderstorms, mainly before 8pm. Patchy fog after 1am. Otherwise, partly cloudy, with a low around 71. Calm wind. Chance of precipitation is 30%.
Friday
A chance of showers, with thunderstorms also possible after 11am. Mostly sunny, with a high near 86. Northeast wind 3 to 6 mph. Chance of precipitation is 30%.
Friday Night
A chance of thunderstorms before 8pm. Partly cloudy, with a low around 71. East wind 3 to 5 mph. Chance of precipitation is 30%.
Saturday
Mostly sunny, with a high near 84. Northeast wind around 6 mph.
Saturday Night
Mostly clear, with a low around 68.
Sunday
Sunny, with a high near 86.
Sunday Night
Mostly clear, with a low around 70.
Monday
Mostly sunny, with a high near 85.
Monday Night
Partly cloudy, with a low around 69.
Tuesday
Mostly sunny, with a high near 83.
Tuesday Night
Mostly clear, with a low around 68.
Wednesday
Mostly sunny, with a high near 83.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
St. Marys City MD
 38.18°N 76.43°W (Elev. 3 ft)
Last Update:
7:29 am EDT Aug 14, 2025
Forecast Valid:
9am EDT Aug 14, 2025-6pm EDT Aug 20, 2025
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation