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.

A Few Clouds

39°F

4°C

Humidity 74%
Wind Speed S 12 G 17 mph
Barometer 29.73 in
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Wind Chill32°F (0°C)
Last update 10 Dec 9:55 am EST
Extended Forecast for

Mechanicsville MD

  • Today

    Today: A chance of rain, mainly between 1pm and 4pm. Cloudy, with a high near 46. Southwest wind 13 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 30%.

    High: 46 °F

    Cloudy then
    Chance Rain

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming mostly clear, with a low around 30. Southwest wind 9 to 11 mph.

    Low: 30 °F

    Decreasing
    Clouds

  • Thursday

    Thursday: Partly sunny, then gradually becoming sunny, with a high near 39. West wind 10 to 16 mph, with gusts as high as 25 mph.

    High: 39 °F

    Becoming
    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 24. West wind 5 to 7 mph.

    Low: 24 °F

    Partly Cloudy

  • Friday

    Friday: A chance of snow. Partly sunny, with a high near 38. West wind 5 to 7 mph. Chance of precipitation is 30%.

    High: 38 °F

    Chance Snow

  • Friday Night

    Friday Night: A slight chance of snow before 1am. Mostly cloudy, with a low around 28. Chance of precipitation is 20%.

    Low: 28 °F

    Slight Chance
    Snow

  • Saturday

    Saturday: Partly sunny, with a high near 43.

    High: 43 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A chance of snow after 1am. Mostly cloudy, with a low around 27. Chance of precipitation is 30%.

    Low: 27 °F

    Mostly Cloudy
    then Chance
    Snow

  • Sunday

    Sunday: Mostly sunny, with a high near 37.

    High: 37 °F

    Mostly Sunny

Detailed Forecast

Today
A chance of rain, mainly between 1pm and 4pm. Cloudy, with a high near 46. Southwest wind 13 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 30%.
Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 30. Southwest wind 9 to 11 mph.
Thursday
Partly sunny, then gradually becoming sunny, with a high near 39. West wind 10 to 16 mph, with gusts as high as 25 mph.
Thursday Night
Partly cloudy, with a low around 24. West wind 5 to 7 mph.
Friday
A chance of snow. Partly sunny, with a high near 38. West wind 5 to 7 mph. Chance of precipitation is 30%.
Friday Night
A slight chance of snow before 1am. Mostly cloudy, with a low around 28. Chance of precipitation is 20%.
Saturday
Partly sunny, with a high near 43.
Saturday Night
A chance of snow after 1am. Mostly cloudy, with a low around 27. Chance of precipitation is 30%.
Sunday
Mostly sunny, with a high near 37.
Sunday Night
Mostly clear, with a low around 17.
Monday
Sunny, with a high near 33.
Monday Night
Partly cloudy, with a low around 20.
Tuesday
Mostly sunny, with a high near 39.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mechanicsville MD
 38.43°N 76.73°W (Elev. 148 ft)
Last Update:
9:53 am EST Dec 10, 2025
Forecast Valid:
10am EST Dec 10, 2025-6pm EST Dec 16, 2025
 
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