Current conditions at

St Marys County Airport (K2W6)

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

Fair

51°F

11°C

Humidity 94%
Wind Speed SW 5 mph
Barometer 29.79 in
Dewpoint 49°F (9°C)
Visibility 9.00 mi
Wind Chill49°F (9°C)
Last update 21 Mar 6:15 am EDT
Detailed forecast for

Calvert County

Rest Of The Overnight
Mostly cloudy with a slight chance of showers and thunderstorms. Lows around 50. Southwest winds 5 to 10 mph. Chance of rain 20 percent.
Today
Sunny. Highs in the lower 60s. Northwest winds 5 to 10 mph, becoming northeast in the afternoon.
Tonight
Mostly clear in the evening, then becoming partly cloudy. Lows in the mid 40s. East winds around 5 mph, becoming south around 5 mph after midnight.
Sunday
Partly sunny. Highs in the mid 70s. South winds 5 to 10 mph.
Sunday Night
Partly cloudy in the evening, then mostly cloudy with a chance of rain after midnight. Lows in the lower 50s. Southwest winds 5 to 10 mph, becoming west with gusts up to 20 mph after midnight. Chance of rain 50 percent.
Monday
Partly sunny with a 50 percent chance of rain. Highs in the upper 50s.
Monday Night
Mostly clear. Lows in the mid 30s.
Tuesday
Sunny. Highs in the upper 40s.
Tuesday Night
Partly cloudy. Lows in the upper 30s.
Wednesday
Partly sunny. Highs in the upper 50s.
Wednesday Night
Mostly cloudy. Lows in the lower 40s.
Thursday
Partly sunny. Highs in the lower 60s.
Thursday Night
Mostly cloudy with a 40 percent chance of rain. Lows in the upper 40s.
Friday
Partly sunny with a 40 percent chance of rain. Highs around 60.



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456 AM EDT Sat Mar 21 2026
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database