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St. George, SC Weather Forecast
St. George, SC Weather Forecast Date: 537 AM EDT Sat Sep 19 2026
The area/counties/county of: Dorchester, including the cities of: Saint George and Summerville.or toggle through each period.
Today... Mostly sunny. A chance of showers and thunderstorms this afternoon. Highs in the lower 90s. North winds around 5 mph. Chance of rain 50%.
Tonight... Mostly cloudy with a chance of showers and thunderstorms in the evening, then partly cloudy with a slight chance of showers after midnight. Lows in the lower 70s. East winds around 5 mph in the evening, becoming light and variable. Chance of rain 50%.
Sunday... Mostly sunny with a slight chance of showers. A slight chance of thunderstorms in the afternoon. Highs in the upper 80s. Northeast winds around 5 mph. Chance of rain 20%.
Sunday Night... Partly cloudy. A chance of showers and thunderstorms in the evening. Lows in the lower 70s. Southeast winds around 5 mph in the evening, becoming light and variable. Chance of rain 50%.
Monday... Mostly sunny. A chance of showers and thunderstorms in the afternoon. Highs around 90. Light and variable winds, becoming east around 5 mph in the afternoon. Chance of rain 30%.
Monday Night... Mostly cloudy with a chance of showers and thunderstorms. Lows in the lower 70s. Chance of rain 40%.
Tuesday... Showers likely with a chance of thunderstorms. Highs in the upper 80s. Chance of rain 70%.
Tuesday Night... Mostly cloudy with a chance of showers with a slight chance of thunderstorms. Lows around 70. Chance of rain 40%.
Wednesday... Partly sunny with a chance of showers and thunderstorms. Highs in the mid 80s. Chance of rain 50%.
Wednesday Night... Mostly cloudy with a slight chance of showers and thunderstorms. Lows in the upper 60s. Chance of rain 20%.
Thursday... Partly sunny with a slight chance of showers and thunderstorms. Highs in the lower 80s. Chance of rain 20%.
Thursday Night... Partly cloudy. Lows in the mid 60s.
POP = Probability of Precipitation
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