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.

Fair

53°F

12°C

Humidity 44%
Wind Speed SW 10 mph
Barometer 29.86 in
Dewpoint 31°F (-1°C)
Visibility 10.00 mi
Wind Chill50°F (10°C)
Last update 14 Mar 1:15 am EDT
Extended Forecast for

Charlotte Hall MD

  • Overnight

    Overnight: Mostly clear, with a low around 43. Southwest wind 10 to 13 mph, with gusts as high as 23 mph.

    Low: 43 °F

    Mostly Clear

  • Saturday

    Saturday: Increasing clouds, with a high near 57. West wind 9 to 16 mph, with gusts as high as 28 mph.

    High: 57 °F

    Increasing
    Clouds

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 40. North wind around 5 mph becoming light and variable.

    Low: 40 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 58. Southeast wind 8 to 17 mph, with gusts as high as 24 mph.

    High: 58 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Rain. Low around 52. Southeast wind around 11 mph, with gusts as high as 20 mph. Chance of precipitation is 90%.

    Low: 52 °F

    Rain

  • Monday

    Monday: Showers likely, then showers and possibly a thunderstorm after 11am. High near 69. Breezy. Chance of precipitation is 100%.

    High: 69 °F

    Breezy.
    Showers
    Likely then
    Showers

  • Monday Night

    Monday Night: Showers and possibly a thunderstorm before 8pm, then showers likely between 8pm and 2am. Low around 32. Chance of precipitation is 80%.

    Low: 32 °F

    Showers

  • Tuesday

    Tuesday: Mostly sunny, with a high near 42.

    High: 42 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 24.

    Low: 24 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly clear, with a low around 43. Southwest wind 10 to 13 mph, with gusts as high as 23 mph.
Saturday
Increasing clouds, with a high near 57. West wind 9 to 16 mph, with gusts as high as 28 mph.
Saturday Night
Mostly cloudy, with a low around 40. North wind around 5 mph becoming light and variable.
Sunday
Mostly cloudy, with a high near 58. Southeast wind 8 to 17 mph, with gusts as high as 24 mph.
Sunday Night
Rain. Low around 52. Southeast wind around 11 mph, with gusts as high as 20 mph. Chance of precipitation is 90%.
Monday
Showers likely, then showers and possibly a thunderstorm after 11am. High near 69. Breezy. Chance of precipitation is 100%.
Monday Night
Showers and possibly a thunderstorm before 8pm, then showers likely between 8pm and 2am. Low around 32. Chance of precipitation is 80%.
Tuesday
Mostly sunny, with a high near 42.
Tuesday Night
Mostly clear, with a low around 24.
Wednesday
Mostly sunny, with a high near 43.
Wednesday Night
Partly cloudy, with a low around 30.
Thursday
Mostly sunny, with a high near 54.
Thursday Night
Partly cloudy, with a low around 37.
Friday
Mostly sunny, with a high near 57.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Charlotte Hall MD
 38.5°N 76.78°W (Elev. 148 ft)
Last Update:
10:53 pm EDT Mar 13, 2026
Forecast Valid:
1am EDT Mar 14, 2026-6pm EDT Mar 20, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation