Current conditions at

St Marys County Airport (K2W6)

Lat: 38.32° N Lon: 76.55° W Elev: 144 ft.

Fair

53°F

12°C

Humidity 40%
Wind Speed SW 14 G 25 mph
Barometer 29.83 in
Dewpoint 29°F (-2°C)
Visibility 10.00 mi
Wind Chill49°F (9°C)
Last update 13 Mar 10:15 pm EDT
Detailed forecast for

Calvert County

Tonight
Mostly clear. Lows in the mid 40s. Southwest winds 15 to 20 mph with gusts up to 30 mph.
Saturday
Sunny in the morning, then becoming partly sunny. Highs in the mid 50s. West winds 10 to 15 mph with gusts up to 30 mph.
Saturday Night
Mostly cloudy. Lows around 40. North winds 5 to 10 mph, becoming east after midnight.
Sunday
Partly sunny in the morning, then becoming mostly cloudy. Highs in the upper 50s. Southeast winds 10 to 15 mph with gusts up to 25 mph.
Sunday Night
Rain likely in the evening, then rain after midnight. Lows in the lower 50s. Southeast winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 90 percent.
Monday
Showers with a chance of thunderstorms. Highs in the upper 60s. Chance of rain near 100 percent.
Monday Night
Rain showers likely. Lows in the lower 30s. Chance of rain 70 percent.
Tuesday
Mostly sunny. Much cooler with highs in the lower 40s.
Tuesday Night
Mostly clear. Lows in the mid 20s.
Wednesday
Mostly sunny. Highs in the lower 40s.
Wednesday Night
Partly cloudy. Lows in the lower 30s.
Thursday
Mostly sunny. Highs in the lower 50s.
Thursday Night
Partly cloudy. Lows in the upper 30s.
Friday
Mostly sunny. Highs in the mid 50s.



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756 PM EDT Fri Mar 13 2026
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database