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St Mary's County, MD Weather Forecast
St Mary's County, MD Weather Forecast Date: 755 PM EDT Wed Sep 02 2026
The area/counties/county of: St. Marys, including the cities of: Dameron, Lexington Park, Piney Point, Ridge, California, Callaway, and Sotterley.or toggle through each period.
Tonight... Partly cloudy with a 20% chance of showers. Lows in the mid 70s. Southeast winds 5 to 10 mph.
Thursday... Mostly sunny. A slight chance of showers and thunderstorms in the afternoon. Hot with highs in the lower 90s. Southwest winds around 5 mph. Chance of rain 20%. Heat index values up to 108.
Thursday Night... Partly cloudy. A chance of showers and thunderstorms, mainly in the evening. Lows in the mid 70s. Southwest winds 5 to 10 mph, becoming west after midnight. Chance of rain 30%.
Friday... Sunny in the morning, then partly sunny with showers likely in the afternoon. Hot with highs in the lower 90s. West winds around 5 mph. Chance of rain 60%.
Friday Night... A chance of thunderstorms in the evening. Mostly cloudy with a chance of showers. Lows in the lower 70s. Northwest winds around 5 mph. Chance of rain 50%.
Saturday... Sunny. Highs in the mid 80s.
Saturday Night... Partly cloudy. Lows in the upper 60s.
Sunday... Sunny. Highs in the lower 80s.
Sunday Night... Mostly clear. Lows in the mid 60s.
Labor Day... Sunny. Highs in the lower 80s.
Monday Night... Partly cloudy. Lows in the mid 60s.
Tuesday... Mostly sunny. Highs in the mid 80s.
Tuesday Night... Partly cloudy. Lows in the upper 60s.
POP = Probability of Precipitation
St Mary's County Radar Loop
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