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

50°F

10°C

Humidity 32%
Wind Speed S 8 mph
Barometer 30.02 in
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Wind Chill47°F (8°C)
Last update 13 Jan 12:35 pm EST
Extended Forecast for

Chaptico MD

  • This Afternoon

    This Afternoon: Sunny, with a high near 50. South wind around 9 mph.

    High: 50 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 38. Southwest wind 8 to 11 mph.

    Low: 38 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A slight chance of rain after 1pm. Increasing clouds, with a high near 53. Southwest wind 6 to 8 mph. Chance of precipitation is 20%.

    High: 53 °F

    Partly Sunny
    then Slight
    Chance Rain

  • Wednesday Night

    Wednesday Night: Rain likely before 4am, then a chance of rain and snow. Mostly cloudy, with a low around 27. South wind 5 to 15 mph becoming northwest after midnight. Winds could gust as high as 26 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.

    Low: 27 °F

    Rain Likely
    then
    Rain/Snow
    Likely

  • Thursday

    Thursday: A chance of snow before 7am. Partly sunny, with a high near 32. Northwest wind around 16 mph, with gusts as high as 26 mph. Chance of precipitation is 30%.

    High: 32 °F

    Chance Snow
    then Mostly
    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 17.

    Low: 17 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 35.

    High: 35 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 28.

    Low: 28 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 43.

    High: 43 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 50. South wind around 9 mph.
Tonight
Partly cloudy, with a low around 38. Southwest wind 8 to 11 mph.
Wednesday
A slight chance of rain after 1pm. Increasing clouds, with a high near 53. Southwest wind 6 to 8 mph. Chance of precipitation is 20%.
Wednesday Night
Rain likely before 4am, then a chance of rain and snow. Mostly cloudy, with a low around 27. South wind 5 to 15 mph becoming northwest after midnight. Winds could gust as high as 26 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
Thursday
A chance of snow before 7am. Partly sunny, with a high near 32. Northwest wind around 16 mph, with gusts as high as 26 mph. Chance of precipitation is 30%.
Thursday Night
Mostly clear, with a low around 17.
Friday
Mostly sunny, with a high near 35.
Friday Night
Partly cloudy, with a low around 28.
Saturday
Mostly sunny, with a high near 43.
Saturday Night
Partly cloudy, with a low around 25.
Sunday
Partly sunny, with a high near 37.
Sunday Night
Partly cloudy, with a low around 20.
M.L.King Day
Sunny, with a high near 34.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Chaptico MD
 38.37°N 76.77°W (Elev. 95 ft)
Last Update:
9:54 am EST Jan 13, 2026
Forecast Valid:
12pm EST Jan 13, 2026-6pm EST Jan 19, 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