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.

Light Rain Fog/Mist

41°F

5°C

Humidity 89%
Wind Speed Vrbl 7 mph
Barometer 29.90 in
Dewpoint 38°F (3°C)
Visibility 4.00 mi
Wind Chill36°F (2°C)
Last update 12 Mar 11:55 am EDT
Extended Forecast for

Charlotte Hall MD

  • This Afternoon

    This Afternoon: Rain before 1pm, then rain and snow. High near 57. Northwest wind 14 to 18 mph, with gusts as high as 31 mph. Chance of precipitation is 100%. Total daytime snow accumulation of less than a half inch possible.

    High: 57 °F

    Rain/Snow

  • Tonight

    Tonight: Mostly clear, with a low around 30. West wind 3 to 8 mph.

    Low: 30 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 52. Breezy, with a south wind 7 to 12 mph increasing to 19 to 24 mph in the afternoon. Winds could gust as high as 34 mph.

    High: 52 °F

    Mostly Sunny
    then Mostly
    Sunny and
    Breezy

  • Friday Night

    Friday Night: Mostly clear, with a low around 42. Southwest wind 9 to 16 mph, with gusts as high as 28 mph.

    Low: 42 °F

    Mostly Clear

  • Saturday

    Saturday: Partly sunny, with a high near 58. West wind around 8 mph.

    High: 58 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 40.

    Low: 40 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 61.

    High: 61 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Showers likely, mainly after 2am. Mostly cloudy, with a low around 53. Chance of precipitation is 70%.

    Low: 53 °F

    Chance
    Showers then
    Showers
    Likely

  • Monday

    Monday: Showers. High near 69. Breezy. Chance of precipitation is 90%.

    High: 69 °F

    Showers and
    Breezy

Detailed Forecast

This Afternoon
Rain before 1pm, then rain and snow. High near 57. Northwest wind 14 to 18 mph, with gusts as high as 31 mph. Chance of precipitation is 100%. Total daytime snow accumulation of less than a half inch possible.
Tonight
Mostly clear, with a low around 30. West wind 3 to 8 mph.
Friday
Mostly sunny, with a high near 52. Breezy, with a south wind 7 to 12 mph increasing to 19 to 24 mph in the afternoon. Winds could gust as high as 34 mph.
Friday Night
Mostly clear, with a low around 42. Southwest wind 9 to 16 mph, with gusts as high as 28 mph.
Saturday
Partly sunny, with a high near 58. West wind around 8 mph.
Saturday Night
Mostly cloudy, with a low around 40.
Sunday
Mostly cloudy, with a high near 61.
Sunday Night
Showers likely, mainly after 2am. Mostly cloudy, with a low around 53. Chance of precipitation is 70%.
Monday
Showers. High near 69. Breezy. Chance of precipitation is 90%.
Monday Night
A chance of showers before 2am. Mostly cloudy, with a low around 31. Chance of precipitation is 40%.
Tuesday
Mostly sunny, with a high near 42.
Tuesday Night
Mostly clear, with a low around 25.
Wednesday
Mostly sunny, with a high near 44.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Charlotte Hall MD
 38.5°N 76.78°W (Elev. 148 ft)
Last Update:
10:53 am EDT Mar 12, 2026
Forecast Valid:
12pm EDT Mar 12, 2026-6pm EDT Mar 18, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation