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

51°F

11°C

Humidity 32%
Wind Speed SW 10 mph
Barometer 30.01 in
Dewpoint 22°F (-6°C)
Visibility 9.00 mi
Wind Chill47°F (8°C)
Last update 13 Jan 12:55 pm EST
Extended Forecast for

Chaptico MD

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 51. South wind around 9 mph.

    High: 51 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 38. Southwest wind 8 to 10 mph, with gusts as high as 20 mph.

    Low: 38 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Increasing clouds, with a high near 53. Southwest wind 6 to 8 mph.

    High: 53 °F

    Increasing
    Clouds

  • Wednesday Night

    Wednesday Night: Rain likely before 4am, then a chance of snow. Mostly cloudy, with a low around 26. South wind 5 to 8 mph becoming northwest after midnight. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Low: 26 °F

    Rain Likely
    then
    Rain/Snow
    Likely

  • Thursday

    Thursday: A chance of snow before 7am. Sunny, with a high near 33. Northwest wind 10 to 14 mph, with gusts as high as 21 mph. Chance of precipitation is 30%.

    High: 33 °F

    Chance Snow
    then Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 18.

    Low: 18 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 37.

    High: 37 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 30.

    Low: 30 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 45.

    High: 45 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 51. South wind around 9 mph.
Tonight
Partly cloudy, with a low around 38. Southwest wind 8 to 10 mph, with gusts as high as 20 mph.
Wednesday
Increasing clouds, with a high near 53. Southwest wind 6 to 8 mph.
Wednesday Night
Rain likely before 4am, then a chance of snow. Mostly cloudy, with a low around 26. South wind 5 to 8 mph becoming northwest after midnight. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Thursday
A chance of snow before 7am. Sunny, with a high near 33. Northwest wind 10 to 14 mph, with gusts as high as 21 mph. Chance of precipitation is 30%.
Thursday Night
Mostly clear, with a low around 18.
Friday
Sunny, with a high near 37.
Friday Night
Partly cloudy, with a low around 30.
Saturday
Mostly sunny, with a high near 45.
Saturday Night
Mostly cloudy, with a low around 24.
Sunday
Mostly sunny, with a high near 33.
Sunday Night
Mostly clear, with a low around 19.
M.L.King Day
Mostly sunny, with a high near 36.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Chaptico MD
 38.37°N 76.77°W (Elev. 95 ft)
Last Update:
12:54 pm EST Jan 13, 2026
Forecast Valid:
1pm EST Jan 13, 2026-6pm EST Jan 19, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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