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

63°F

17°C

Humidity 62%
Wind Speed Calm
Barometer 29.89 in
Dewpoint 50°F (10°C)
Visibility 9.00 mi
Last update 21 Mar 6:15 pm EDT
Extended Forecast for

3 Miles NE Charlotte Hall MD

  • Tonight

    Tonight: Patchy fog after 4am. Otherwise, partly cloudy, with a low around 46. East wind around 6 mph becoming south after midnight.

    Low: 46 °F

    Partly Cloudy
    then Patchy
    Fog

  • Sunday

    Sunday: Patchy fog between 8am and 9am. Otherwise, mostly sunny, with a high near 81. Southwest wind 6 to 11 mph, with gusts as high as 18 mph.

    High: 81 °F

    Patchy Fog
    then Mostly
    Sunny

  • Sunday Night

    Sunday Night: A slight chance of showers, then a chance of showers and thunderstorms after 2am. Increasing clouds, with a low around 52. Southwest wind around 9 mph. Chance of precipitation is 50%.

    Low: 52 °F

    Slight Chance
    Showers then
    Chance
    Showers

  • Monday

    Monday: A chance of showers and thunderstorms before 8am, then a chance of rain between 8am and 2pm. Cloudy through mid morning, then gradual clearing, with a high near 60. North wind 11 to 16 mph, with gusts as high as 24 mph. Chance of precipitation is 30%.

    High: 60 °F

    Chance
    Showers

  • Monday Night

    Monday Night: Mostly clear, with a low around 34. North wind around 9 mph.

    Low: 34 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 50.

    High: 50 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 36.

    Low: 36 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 60.

    High: 60 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 43.

    Low: 43 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Patchy fog after 4am. Otherwise, partly cloudy, with a low around 46. East wind around 6 mph becoming south after midnight.
Sunday
Patchy fog between 8am and 9am. Otherwise, mostly sunny, with a high near 81. Southwest wind 6 to 11 mph, with gusts as high as 18 mph.
Sunday Night
A slight chance of showers, then a chance of showers and thunderstorms after 2am. Increasing clouds, with a low around 52. Southwest wind around 9 mph. Chance of precipitation is 50%.
Monday
A chance of showers and thunderstorms before 8am, then a chance of rain between 8am and 2pm. Cloudy through mid morning, then gradual clearing, with a high near 60. North wind 11 to 16 mph, with gusts as high as 24 mph. Chance of precipitation is 30%.
Monday Night
Mostly clear, with a low around 34. North wind around 9 mph.
Tuesday
Sunny, with a high near 50.
Tuesday Night
Partly cloudy, with a low around 36.
Wednesday
Partly sunny, with a high near 60.
Wednesday Night
Mostly cloudy, with a low around 43.
Thursday
Partly sunny, with a high near 65.
Thursday Night
A chance of rain. Mostly cloudy, with a low around 48. Chance of precipitation is 40%.
Friday
A chance of rain. Partly sunny, with a high near 60. Chance of precipitation is 30%.
Friday Night
A chance of rain and snow. Mostly cloudy, with a low around 35. Chance of precipitation is 30%.
Saturday
A chance of snow. Partly sunny, with a high near 52. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NE Charlotte Hall MD
 38.5°N 76.75°W (Elev. 148 ft)
Last Update:
6:07 pm EDT Mar 21, 2026
Forecast Valid:
6pm EDT Mar 21, 2026-6pm EDT Mar 28, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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