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.

Partly Cloudy

38°F

3°C

Humidity 56%
Wind Speed NW 7 G 22 mph
Barometer 29.89 in
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Wind Chill33°F (1°C)
Last update 23 Feb 6:55 pm EST
Extended Forecast for

Charlotte Hall MD

  • Tonight

    Tonight: Mostly cloudy, with a low around 23. Northwest wind 10 to 14 mph, with gusts as high as 23 mph.

    Low: 23 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 39. Northwest wind 7 to 11 mph, with gusts as high as 18 mph.

    High: 39 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A chance of rain and snow between 1am and 4am, then a chance of rain after 4am. Increasing clouds, with a low around 30. South wind 5 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.

    Low: 30 °F

    Partly Cloudy
    then Chance
    Rain/Snow

  • Wednesday

    Wednesday: A slight chance of rain before 1pm. Cloudy, then gradually becoming mostly sunny, with a high near 54. Southwest wind 13 to 16 mph, with gusts as high as 24 mph. Chance of precipitation is 20%.

    High: 54 °F

    Slight Chance
    Rain

  • Wednesday Night

    Wednesday Night: A slight chance of rain after 1am. Partly cloudy, with a low around 38. Southwest wind 5 to 8 mph. Chance of precipitation is 20%.

    Low: 38 °F

    Mostly Clear
    then Slight
    Chance Rain

  • Thursday

    Thursday: Rain, mainly after 1pm. High near 49. Chance of precipitation is 80%.

    High: 49 °F

    Chance Rain
    then Rain

  • Thursday Night

    Thursday Night: Rain likely, mainly before 1am. Mostly cloudy, with a low around 35. Chance of precipitation is 70%.

    Low: 35 °F

    Rain Likely

  • Friday

    Friday: Mostly sunny, with a high near 49.

    High: 49 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 32.

    Low: 32 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly cloudy, with a low around 23. Northwest wind 10 to 14 mph, with gusts as high as 23 mph.
Tuesday
Sunny, with a high near 39. Northwest wind 7 to 11 mph, with gusts as high as 18 mph.
Tuesday Night
A chance of rain and snow between 1am and 4am, then a chance of rain after 4am. Increasing clouds, with a low around 30. South wind 5 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.
Wednesday
A slight chance of rain before 1pm. Cloudy, then gradually becoming mostly sunny, with a high near 54. Southwest wind 13 to 16 mph, with gusts as high as 24 mph. Chance of precipitation is 20%.
Wednesday Night
A slight chance of rain after 1am. Partly cloudy, with a low around 38. Southwest wind 5 to 8 mph. Chance of precipitation is 20%.
Thursday
Rain, mainly after 1pm. High near 49. Chance of precipitation is 80%.
Thursday Night
Rain likely, mainly before 1am. Mostly cloudy, with a low around 35. Chance of precipitation is 70%.
Friday
Mostly sunny, with a high near 49.
Friday Night
Mostly clear, with a low around 32.
Saturday
Sunny, with a high near 56.
Saturday Night
Mostly clear, with a low around 36.
Sunday
Mostly sunny, with a high near 52.
Sunday Night
Mostly cloudy, with a low around 30.
Monday
A chance of rain and snow. Mostly cloudy, with a high near 42. Chance of precipitation is 40%.
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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:
6:53 pm EST Feb 23, 2026
Forecast Valid:
7pm EST Feb 23, 2026-6pm EST Mar 2, 2026
 
Forecast Discussion
 
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Additional Resources

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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