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

29°F

-2°C

Humidity 55%
Wind Speed SW 3 mph
Barometer 30.48 in
Dewpoint 15°F (-9°C)
Visibility 10.00 mi
Last update 29 Nov 5:35 am EST
Extended Forecast for

Mechanicsville MD

  • Today

    Today: Sunny, with a high near 43. West wind around 6 mph becoming calm in the afternoon.

    High: 43 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 29. Calm wind becoming south around 5 mph after midnight.

    Low: 29 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Rain likely, mainly after 1pm. Mostly cloudy, with a high near 48. South wind 5 to 10 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 48 °F

    Rain Likely

  • Sunday Night

    Sunday Night: A slight chance of rain before 1am. Mostly cloudy, then gradually becoming mostly clear, with a low around 30. Southwest wind 8 to 10 mph becoming northwest after midnight. Chance of precipitation is 20%.

    Low: 30 °F

    Slight Chance
    Rain

  • Monday

    Monday: Sunny, with a high near 45. North wind 6 to 10 mph.

    High: 45 °F

    Sunny

  • Monday Night

    Monday Night: A chance of rain after 1am. Mostly cloudy, with a low around 30. Chance of precipitation is 30%.

    Low: 30 °F

    Mostly Cloudy
    then Chance
    Rain

  • Tuesday

    Tuesday: Rain. High near 43. Chance of precipitation is 90%.

    High: 43 °F

    Rain

  • Tuesday Night

    Tuesday Night: A chance of rain before 1am. Mostly cloudy, with a low around 30. Chance of precipitation is 50%.

    Low: 30 °F

    Chance Rain

  • Wednesday

    Wednesday: Sunny, with a high near 44.

    High: 44 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 43. West wind around 6 mph becoming calm in the afternoon.
Tonight
Increasing clouds, with a low around 29. Calm wind becoming south around 5 mph after midnight.
Sunday
Rain likely, mainly after 1pm. Mostly cloudy, with a high near 48. South wind 5 to 10 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Sunday Night
A slight chance of rain before 1am. Mostly cloudy, then gradually becoming mostly clear, with a low around 30. Southwest wind 8 to 10 mph becoming northwest after midnight. Chance of precipitation is 20%.
Monday
Sunny, with a high near 45. North wind 6 to 10 mph.
Monday Night
A chance of rain after 1am. Mostly cloudy, with a low around 30. Chance of precipitation is 30%.
Tuesday
Rain. High near 43. Chance of precipitation is 90%.
Tuesday Night
A chance of rain before 1am. Mostly cloudy, with a low around 30. Chance of precipitation is 50%.
Wednesday
Sunny, with a high near 44.
Wednesday Night
Partly cloudy, with a low around 28.
Thursday
Mostly sunny, with a high near 46.
Thursday Night
Partly cloudy, with a low around 23.
Friday
Partly sunny, with a high near 40.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Mechanicsville MD
 38.44°N 76.76°W (Elev. 112 ft)
Last Update:
4:40 am EST Nov 29, 2025
Forecast Valid:
5am EST Nov 29, 2025-6pm EST Dec 5, 2025
 
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