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.

Mostly Cloudy

46°F

8°C

Humidity 62%
Wind Speed SW 16 G 24 mph
Barometer 29.52 in
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Wind Chill39°F (4°C)
Last update 10 Dec 3:35 pm EST
Extended Forecast for

Charlotte Hall MD

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming mostly clear, with a low around 31. Southwest wind 10 to 14 mph becoming northwest after midnight. Winds could gust as high as 28 mph.

    Low: 31 °F

    Decreasing
    Clouds

  • Thursday

    Thursday: Sunny, with a high near 39. Northwest wind 11 to 17 mph, with gusts as high as 29 mph.

    High: 39 °F

    Sunny

  • Thursday Night

    Thursday Night: Increasing clouds, with a low around 25. West wind 6 to 8 mph.

    Low: 25 °F

    Increasing
    Clouds

  • Friday

    Friday: A chance of snow, mainly after 1pm. Mostly cloudy, with a high near 38. West wind around 6 mph. Chance of precipitation is 30%.

    High: 38 °F

    Chance Snow

  • Friday Night

    Friday Night: A chance of snow before 1am. Mostly cloudy, with a low around 26. Light southwest wind. Chance of precipitation is 30%.

    Low: 26 °F

    Chance Snow

  • Saturday

    Saturday: Partly sunny, with a high near 44.

    High: 44 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A chance of snow after 1am. Mostly cloudy, with a low around 25. Chance of precipitation is 50%.

    Low: 25 °F

    Mostly Cloudy
    then Chance
    Snow

  • Sunday

    Sunday: A chance of snow before 1pm. Mostly sunny, with a high near 33. Chance of precipitation is 30%.

    High: 33 °F

    Chance Snow

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 18.

    Low: 18 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 31. Southwest wind 10 to 14 mph becoming northwest after midnight. Winds could gust as high as 28 mph.
Thursday
Sunny, with a high near 39. Northwest wind 11 to 17 mph, with gusts as high as 29 mph.
Thursday Night
Increasing clouds, with a low around 25. West wind 6 to 8 mph.
Friday
A chance of snow, mainly after 1pm. Mostly cloudy, with a high near 38. West wind around 6 mph. Chance of precipitation is 30%.
Friday Night
A chance of snow before 1am. Mostly cloudy, with a low around 26. Light southwest wind. Chance of precipitation is 30%.
Saturday
Partly sunny, with a high near 44.
Saturday Night
A chance of snow after 1am. Mostly cloudy, with a low around 25. Chance of precipitation is 50%.
Sunday
A chance of snow before 1pm. Mostly sunny, with a high near 33. Chance of precipitation is 30%.
Sunday Night
Mostly clear, with a low around 18.
Monday
Sunny, with a high near 33.
Monday Night
Partly cloudy, with a low around 20.
Tuesday
Mostly sunny, with a high near 40.
Tuesday Night
Partly cloudy, with a low around 25.
Wednesday
Mostly sunny, with a high near 45.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Charlotte Hall MD
 38.48°N 76.78°W (Elev. 148 ft)
Last Update:
1:59 pm EST Dec 10, 2025
Forecast Valid:
3pm EST Dec 10, 2025-6pm EST Dec 17, 2025
 
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Additional Resources

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National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation