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

St Marys County Airport (K2W6)

Lat: 38.32°NLon: 76.55°WElev: 144ft.

Overcast

77°F

25°C

Humidity 97%
Wind Speed Calm
Barometer 30.12 in
Dewpoint 76°F (24°C)
Visibility 9.00 mi
Heat Index78°F (26°C)
Last update 15 Aug 7:55 am EDT
Extended Forecast for

5 Miles WSW Charlotte Hall MD

  • Today

    Today: Mostly sunny, with a high near 86. Light and variable wind becoming northeast around 5 mph.

    High: 86 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 71. Light southeast wind.

    Low: 71 °F

    Mostly Cloudy

  • Sunday

    Sunday: Showers and thunderstorms, mainly before 4pm, then showers likely and possibly a thunderstorm after 5pm. High near 85. South wind 5 to 11 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 85 °F

    Showers

  • Sunday Night

    Sunday Night: Showers and thunderstorms likely before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am. Cloudy, then gradually becoming partly cloudy, with a low around 72. South wind 6 to 8 mph becoming west after midnight. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 72 °F

    Showers
    Likely

  • Monday

    Monday: Mostly sunny, with a high near 89. Northwest wind 5 to 9 mph.

    High: 89 °F

    Mostly Sunny

  • Monday Night

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

    Low: 70 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 86.

    High: 86 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 67.

    Low: 67 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 88.

    High: 88 °F

    Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 86. Light and variable wind becoming northeast around 5 mph.
Tonight
Mostly cloudy, with a low around 71. Light southeast wind.
Sunday
Showers and thunderstorms, mainly before 4pm, then showers likely and possibly a thunderstorm after 5pm. High near 85. South wind 5 to 11 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Sunday Night
Showers and thunderstorms likely before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am. Cloudy, then gradually becoming partly cloudy, with a low around 72. South wind 6 to 8 mph becoming west after midnight. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Monday
Mostly sunny, with a high near 89. Northwest wind 5 to 9 mph.
Monday Night
Mostly clear, with a low around 70.
Tuesday
Sunny, with a high near 86.
Tuesday Night
Mostly clear, with a low around 67.
Wednesday
Sunny, with a high near 88.
Wednesday Night
Partly cloudy, with a low around 71.
Thursday
A chance of showers and thunderstorms. Mostly sunny, with a high near 89. Chance of precipitation is 40%.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 67. Chance of precipitation is 40%.
Friday
A chance of showers. Partly sunny, with a high near 84. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles WSW Charlotte Hall MD
 38.45°N 76.87°W (Elev. 141 ft)
Last Update:
7:53 am EDT Aug 15, 2026
Forecast Valid:
8am EDT Aug 15, 2026-6pm EDT Aug 21, 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