National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

St Marys County Airport (K2W6)

Lat: 38.32°NLon: 76.55°WElev: 144ft.

Fair

73°F

23°C

Humidity 99%
Wind Speed Calm
Barometer 29.96 in
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Last update 20 Aug 5:55 am EDT
Extended Forecast for

Prince Frederick MD

  • Today

    Today: Scattered showers and thunderstorms, then showers and possibly a thunderstorm after 4pm. Some of the storms could produce heavy rainfall. High near 88. Calm wind becoming south 5 to 8 mph in the morning. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 88 °F

    Isolated
    T-storms then
    Heavy Rain

  • Tonight

    Tonight: Showers and thunderstorms likely before 11pm, then isolated showers between 11pm and midnight. Some of the storms could produce heavy rainfall. Patchy fog between 9pm and 2am. Otherwise, mostly cloudy, with a low around 68. North wind 3 to 5 mph. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 68 °F

    Heavy Rain
    and Patchy
    Fog then
    Patchy Fog

  • Friday

    Friday: A slight chance of showers between 3pm and 4pm, then a chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 81. North wind around 7 mph. Chance of precipitation is 30%.

    High: 81 °F

    Mostly Cloudy
    then Chance
    T-storms

  • Friday Night

    Friday Night: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 8pm. Low around 69. Calm wind. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 69 °F

    Showers

  • Saturday

    Saturday: Showers and possibly a thunderstorm before 8am, then showers likely between 8am and 11am, then showers likely and possibly a thunderstorm after 11am. High near 82. East wind 3 to 5 mph. Chance of precipitation is 80%.

    High: 82 °F

    Showers

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 69. Chance of precipitation is 40%.

    Low: 69 °F

    Chance
    T-storms then
    Chance
    Showers

  • Sunday

    Sunday: A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 84. Chance of precipitation is 30%.

    High: 84 °F

    Mostly Sunny
    then Chance
    Showers

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 66. Chance of precipitation is 30%.

    Low: 66 °F

    Chance
    Showers then
    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 82.

    High: 82 °F

    Sunny

Detailed Forecast

Today
Scattered showers and thunderstorms, then showers and possibly a thunderstorm after 4pm. Some of the storms could produce heavy rainfall. High near 88. Calm wind becoming south 5 to 8 mph in the morning. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Tonight
Showers and thunderstorms likely before 11pm, then isolated showers between 11pm and midnight. Some of the storms could produce heavy rainfall. Patchy fog between 9pm and 2am. Otherwise, mostly cloudy, with a low around 68. North wind 3 to 5 mph. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.
Friday
A slight chance of showers between 3pm and 4pm, then a chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 81. North wind around 7 mph. Chance of precipitation is 30%.
Friday Night
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 8pm. Low around 69. Calm wind. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Saturday
Showers and possibly a thunderstorm before 8am, then showers likely between 8am and 11am, then showers likely and possibly a thunderstorm after 11am. High near 82. East wind 3 to 5 mph. Chance of precipitation is 80%.
Saturday Night
A chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 69. Chance of precipitation is 40%.
Sunday
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 84. Chance of precipitation is 30%.
Sunday Night
A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 66. Chance of precipitation is 30%.
Monday
Sunny, with a high near 82.
Monday Night
Mostly clear, with a low around 65.
Tuesday
Sunny, with a high near 82.
Tuesday Night
A slight chance of showers. Partly cloudy, with a low around 67. Chance of precipitation is 20%.
Wednesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 84. Chance of precipitation is 40%.
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ABOUT THIS FORECAST

 
Point Forecast:
Prince Frederick MD
 38.55°N 76.6°W (Elev. 98 ft)
Last Update:
4:53 am EDT Aug 20, 2026
Forecast Valid:
6am EDT Aug 20, 2026-6pm EDT Aug 26, 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