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

40°F

4°C

Humidity 91%
Wind Speed Calm
Barometer 30.27 in
Dewpoint 38°F (3°C)
Visibility 10.00 mi
Last update 9 Jan 12:55 am EST
Extended Forecast for

4 Miles SW Charlotte Hall MD

  • Overnight

    Overnight: Partly cloudy, with a low around 37. Southeast wind around 5 mph.

    Low: 37 °F

    Partly Cloudy

  • Friday

    Friday: A chance of rain, mainly after 3pm. Increasing clouds, with a high near 59. Southeast wind 5 to 10 mph. Chance of precipitation is 30%.

    High: 59 °F

    Partly Sunny
    then Chance
    Rain

  • Friday Night

    Friday Night: Rain likely before 2am, then a chance of rain after 3am. Patchy fog between 8pm and 10pm. Otherwise, cloudy, with a low around 47. South wind 5 to 7 mph becoming light and variable after midnight. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 47 °F

    Rain Likely
    and Patchy
    Fog then
    Chance Rain

  • Saturday

    Saturday: Rain. High near 57. Northeast wind 5 to 7 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    High: 57 °F

    Rain

  • Saturday Night

    Saturday Night: Rain. Low around 43. Southwest wind around 7 mph becoming northwest after midnight. Chance of precipitation is 80%.

    Low: 43 °F

    Rain

  • Sunday

    Sunday: A chance of rain, mainly before 1pm. Partly sunny, with a high near 49. Chance of precipitation is 30%.

    High: 49 °F

    Chance Rain

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 29.

    Low: 29 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 44.

    High: 44 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 29.

    Low: 29 °F

    Mostly Clear

Detailed Forecast

Overnight
Partly cloudy, with a low around 37. Southeast wind around 5 mph.
Friday
A chance of rain, mainly after 3pm. Increasing clouds, with a high near 59. Southeast wind 5 to 10 mph. Chance of precipitation is 30%.
Friday Night
Rain likely before 2am, then a chance of rain after 3am. Patchy fog between 8pm and 10pm. Otherwise, cloudy, with a low around 47. South wind 5 to 7 mph becoming light and variable after midnight. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Rain. High near 57. Northeast wind 5 to 7 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Saturday Night
Rain. Low around 43. Southwest wind around 7 mph becoming northwest after midnight. Chance of precipitation is 80%.
Sunday
A chance of rain, mainly before 1pm. Partly sunny, with a high near 49. Chance of precipitation is 30%.
Sunday Night
Mostly clear, with a low around 29.
Monday
Sunny, with a high near 44.
Monday Night
Mostly clear, with a low around 29.
Tuesday
Sunny, with a high near 50.
Tuesday Night
Partly cloudy, with a low around 36.
Wednesday
Mostly cloudy, with a high near 50.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 33. Chance of precipitation is 30%.
Thursday
A chance of rain and snow. Mostly cloudy, with a high near 42. Chance of precipitation is 30%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SW Charlotte Hall MD
 38.44°N 76.84°W (Elev. 98 ft)
Last Update:
12:54 am EST Jan 9, 2026
Forecast Valid:
1am EST Jan 9, 2026-6pm EST Jan 15, 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