Current conditions at

St Marys County Airport (K2W6)

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

Overcast

75°F

24°C

Humidity 90%
Wind Speed Calm
Barometer 30.15 in
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Last update 15 Aug 10:15 pm EDT
Detailed forecast for

Calvert County

Tonight
Partly cloudy. Lows in the lower 70s. Southeast winds around 5 mph.
Sunday
Mostly cloudy. A chance of showers in the morning, then showers with a chance of thunderstorms in the afternoon. Highs in the mid 80s. South winds 10 to 15 mph. Chance of rain 90 percent.
Sunday Night
Showers likely with a chance of thunderstorms in the evening, then showers with a slight chance of thunderstorms after midnight. Lows in the lower 70s. South winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 80 percent.
Monday
Mostly sunny. Highs in the upper 80s. West winds 5 to 10 mph.
Monday Night
Partly cloudy in the evening, then clearing. Lows in the lower 70s. Northwest winds around 5 mph.
Tuesday
Sunny. Highs in the mid 80s.
Tuesday Night
Mostly clear. Lows in the upper 60s.
Wednesday
Sunny. Highs in the upper 80s.
Wednesday Night
Partly cloudy. Lows in the lower 70s.
Thursday
Mostly sunny with a chance of showers. Highs in the mid 80s. Chance of rain 40 percent.
Thursday Night
Mostly cloudy with a chance of showers. Lows in the upper 60s. Chance of rain 50 percent.
Friday
Partly sunny with a 40 percent chance of showers. Highs in the lower 80s.
Friday Night
Mostly cloudy with a 40 percent chance of showers. Lows in the upper 60s.
Saturday
Partly sunny with a chance of showers. Highs in the lower 80s. Chance of rain 40 percent.



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756 PM EDT Sat Aug 15 2026
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database