Weather WorldMarion Square, SC 7-Day Night Weather Forecast
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Marion Square, SC Weather Forecast
Marion Square, SC Weather Forecast Date: 722 PM EDT Fri Aug 21 2026
The area/counties/county of: Charleston, including the cities of: Charleston, North Charleston, and Mount Pleasant.or toggle through each period.
Tonight... Partly cloudy this evening, then becoming mostly cloudy. A chance of showers and thunderstorms. Lows in the mid 70s. South winds 10 to 15 mph. Chance of rain 50%.
Saturday... Partly sunny in the morning, then becoming mostly cloudy. A chance of showers and thunderstorms. Highs in the lower 90s. Heat index values up to 105. Southwest winds 5 to 10 mph. Chance of rain 50%.
Saturday Night... Mostly cloudy with a chance of showers and thunderstorms in the evening, then partly cloudy with a slight chance of showers and thunderstorms after midnight. Lows in the mid 70s. Southwest winds 5 to 10 mph. Chance of rain 50%.
Sunday... Sunny. A slight chance of showers and thunderstorms in the afternoon. Highs in the lower 90s. West winds 5 to 10 mph. Chance of rain 20%.
Sunday Night... Mostly clear. A slight chance of showers and thunderstorms in the evening. Lows in the mid 70s. Southwest winds 5 to 10 mph. Chance of rain 20%.
Monday... Sunny. Highs in the lower 90s.
Monday Night... Partly cloudy with a slight chance of showers and thunderstorms. Lows in the mid 70s. Chance of rain 20%.
Tuesday... Mostly sunny with a chance of showers and thunderstorms. Highs in the lower 90s. Chance of rain 50%.
Tuesday Night... Partly cloudy with a chance of showers and thunderstorms. Lows in the mid 70s. Chance of rain 50%.
Wednesday... Mostly sunny with a chance of showers and thunderstorms. Highs in the lower 90s. Chance of rain 50%.
Wednesday Night... Partly cloudy with a chance of showers and thunderstorms. Lows in the mid 70s. Chance of rain 50%.
Thursday... Mostly sunny with a chance of showers and thunderstorms. Highs around 90. Chance of rain 50%. Heat index values up to 105.
Thursday Night... Partly cloudy with a chance of showers and thunderstorms. Lows in the mid 70s. Chance of rain 50%.
POP = Probability of Precipitation
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