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

37°F

3°C

Humidity 54%
Wind Speed Vrbl 6 mph
Barometer 30.31 in
Dewpoint 22°F (-6°C)
Visibility 10.00 mi
Wind Chill32°F (0°C)
Last update 1 Dec 3:15 am EST
Extended Forecast for

Cobb Island MD

  • Overnight

    Overnight: Mostly clear, with a low around 32. Northwest wind around 10 mph, with gusts as high as 20 mph.

    Low: 32 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 43. Northwest wind 5 to 10 mph becoming northeast in the afternoon.

    High: 43 °F

    Sunny

  • Monday Night

    Monday Night: Rain likely, mainly after 5am. Increasing clouds, with a low around 35. East wind 3 to 5 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 35 °F

    Partly Cloudy
    then Rain
    Likely

  • Tuesday

    Tuesday: Rain, mainly before 1pm. High near 41. Northeast wind 6 to 10 mph becoming northwest in the afternoon. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    High: 41 °F

    Rain

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 31. Northwest wind 11 to 14 mph.

    Low: 31 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 41.

    High: 41 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 32.

    Low: 32 °F

    Mostly Clear

  • Thursday

    Thursday: Partly sunny, with a high near 45.

    High: 45 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 26.

    Low: 26 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 32. Northwest wind around 10 mph, with gusts as high as 20 mph.
Monday
Sunny, with a high near 43. Northwest wind 5 to 10 mph becoming northeast in the afternoon.
Monday Night
Rain likely, mainly after 5am. Increasing clouds, with a low around 35. East wind 3 to 5 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday
Rain, mainly before 1pm. High near 41. Northeast wind 6 to 10 mph becoming northwest in the afternoon. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Tuesday Night
Mostly clear, with a low around 31. Northwest wind 11 to 14 mph.
Wednesday
Sunny, with a high near 41.
Wednesday Night
Mostly clear, with a low around 32.
Thursday
Partly sunny, with a high near 45.
Thursday Night
Partly cloudy, with a low around 26.
Friday
A chance of snow after 1pm. Mostly cloudy, with a high near 37. Chance of precipitation is 30%.
Friday Night
Rain and snow likely. Cloudy, with a low around 34. Chance of precipitation is 70%.
Saturday
A chance of rain. Mostly cloudy, with a high near 45. Chance of precipitation is 40%.
Saturday Night
A chance of rain. Mostly cloudy, with a low around 35. Chance of precipitation is 30%.
Sunday
Partly sunny, with a high near 45.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Cobb Island MD
 38.36°N 76.89°W (Elev. 98 ft)
Last Update:
12:52 am EST Dec 1, 2025
Forecast Valid:
3am EST Dec 1, 2025-6pm EST Dec 7, 2025
 
Forecast Discussion
 
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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