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.

Fair

52°F

11°C

Humidity 40%
Wind Speed S 10 G 24 mph
Barometer 29.86 in
Dewpoint 28°F (-2°C)
Visibility 9.00 mi
Wind Chill49°F (9°C)
Last update 13 Mar 4:55 pm EDT
Extended Forecast for

Mechanicsville MD

  • Tonight

    Tonight: Mostly clear, with a low around 43. Breezy, with a west wind 11 to 20 mph, with gusts as high as 40 mph.

    Low: 43 °F

    Mostly Clear
    and Breezy
    then Mostly
    Clear

  • Saturday

    Saturday: Increasing clouds, with a high near 57. West wind 8 to 15 mph, with gusts as high as 25 mph.

    High: 57 °F

    Increasing
    Clouds

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 40. North wind around 5 mph becoming calm.

    Low: 40 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 58. Southeast wind 7 to 16 mph, with gusts as high as 23 mph.

    High: 58 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Rain. Low around 51. Southeast wind around 11 mph, with gusts as high as 21 mph. Chance of precipitation is 90%.

    Low: 51 °F

    Rain

  • Monday

    Monday: Showers likely, then showers and possibly a thunderstorm after 11am. High near 69. Breezy. Chance of precipitation is 100%.

    High: 69 °F

    Showers
    Likely then
    Showers and
    Breezy

  • Monday Night

    Monday Night: Showers and possibly a thunderstorm before 8pm, then showers likely between 8pm and 2am. Low around 32. Chance of precipitation is 80%.

    Low: 32 °F

    Showers

  • Tuesday

    Tuesday: Mostly sunny, with a high near 42.

    High: 42 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 24.

    Low: 24 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 43. Breezy, with a west wind 11 to 20 mph, with gusts as high as 40 mph.
Saturday
Increasing clouds, with a high near 57. West wind 8 to 15 mph, with gusts as high as 25 mph.
Saturday Night
Mostly cloudy, with a low around 40. North wind around 5 mph becoming calm.
Sunday
Partly sunny, with a high near 58. Southeast wind 7 to 16 mph, with gusts as high as 23 mph.
Sunday Night
Rain. Low around 51. Southeast wind around 11 mph, with gusts as high as 21 mph. Chance of precipitation is 90%.
Monday
Showers likely, then showers and possibly a thunderstorm after 11am. High near 69. Breezy. Chance of precipitation is 100%.
Monday Night
Showers and possibly a thunderstorm before 8pm, then showers likely between 8pm and 2am. Low around 32. Chance of precipitation is 80%.
Tuesday
Mostly sunny, with a high near 42.
Tuesday Night
Mostly clear, with a low around 24.
Wednesday
Mostly sunny, with a high near 42.
Wednesday Night
Partly cloudy, with a low around 30.
Thursday
Mostly sunny, with a high near 54.
Thursday Night
Partly cloudy, with a low around 37.
Friday
Mostly sunny, with a high near 57.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Mechanicsville MD
 38.43°N 76.73°W (Elev. 148 ft)
Last Update:
4:53 pm EDT Mar 13, 2026
Forecast Valid:
5pm EDT Mar 13, 2026-6pm EDT Mar 20, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation