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

52°F

11°C

Humidity 47%
Wind Speed SW 10 mph
Barometer 29.87 in
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Wind Chill49°F (9°C)
Last update 14 Mar 3:15 am EDT
Extended Forecast for

3 Miles WNW Chaptico MD

  • Overnight

    Overnight: Mostly clear, with a low around 45. West wind around 11 mph, with gusts as high as 22 mph.

    Low: 45 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 57. West wind 8 to 11 mph.

    High: 57 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 40. Calm wind becoming east around 5 mph after midnight.

    Low: 40 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 59. Southeast wind 7 to 16 mph, with gusts as high as 24 mph.

    High: 59 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Showers. Low around 53. Southeast wind around 13 mph, with gusts as high as 21 mph. Chance of precipitation is 90%.

    Low: 53 °F

    Showers

  • Monday

    Monday: Showers, with thunderstorms also possible after 2pm. High near 72. Breezy. Chance of precipitation is 100%.

    High: 72 °F

    Showers and
    Breezy

  • Monday Night

    Monday Night: Showers likely before 2am. Mostly cloudy, with a low around 32. Chance of precipitation is 70%.

    Low: 32 °F

    Showers
    Likely

  • Tuesday

    Tuesday: Mostly sunny, with a high near 41.

    High: 41 °F

    Mostly Sunny

  • Tuesday Night

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

    Low: 24 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly clear, with a low around 45. West wind around 11 mph, with gusts as high as 22 mph.
Saturday
Mostly sunny, with a high near 57. West wind 8 to 11 mph.
Saturday Night
Partly cloudy, with a low around 40. Calm wind becoming east around 5 mph after midnight.
Sunday
Partly sunny, with a high near 59. Southeast wind 7 to 16 mph, with gusts as high as 24 mph.
Sunday Night
Showers. Low around 53. Southeast wind around 13 mph, with gusts as high as 21 mph. Chance of precipitation is 90%.
Monday
Showers, with thunderstorms also possible after 2pm. High near 72. Breezy. Chance of precipitation is 100%.
Monday Night
Showers likely before 2am. Mostly cloudy, with a low around 32. Chance of precipitation is 70%.
Tuesday
Mostly sunny, with a high near 41.
Tuesday Night
Mostly clear, with a low around 24.
Wednesday
Mostly sunny, with a high near 43.
Wednesday Night
Partly cloudy, with a low around 31.
Thursday
Mostly sunny, with a high near 53.
Thursday Night
Mostly clear, with a low around 37.
Friday
Mostly sunny, with a high near 60.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WNW Chaptico MD
 38.38°N 76.83°W (Elev. 98 ft)
Last Update:
1:53 am EDT Mar 14, 2026
Forecast Valid:
3am EDT Mar 14, 2026-6pm EDT Mar 20, 2026
 
Forecast Discussion
 
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Additional Resources

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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