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Town of Summerville, SCSummerville, SC 7-Day Night Weather Forecast
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Summerville, SC Weather Forecast
Summerville, SC Weather Forecast Date: 218 AM EDT Thu Aug 13 2026
The area/counties/county of: Dorchester, including the cities of: Saint George and Summerville.or toggle through each period.
Rest of Tonight... Mostly clear. Lows in the mid 70s. West winds around 5 mph.
Thursday... Sunny. A slight chance of showers and thunderstorms in the afternoon. Highs in the upper 90s. Heat index values up to 108. West winds around 5 mph. Chance of rain 20%.
Thursday Night... Partly cloudy in the evening, then clearing. Lows in the upper 70s. Heat index values up to 106 early in the evening. Southwest winds around 5 mph.
Friday... Mostly sunny. A slight chance of showers and thunderstorms in the afternoon. Highs in the upper 90s. West winds around 5 mph. Chance of rain 20%. Heat index values up to 111.
Friday Night... Partly cloudy with a slight chance of showers and thunderstorms in the evening, then mostly clear after midnight. Lows in the upper 70s. Southwest winds around 5 mph. Chance of rain 20%. Heat index values up to 107 early in the evening.
Saturday... Mostly sunny with a chance of showers and thunderstorms. Highs in the upper 90s. Chance of rain 50%. Heat index values up to 115.
Saturday Night... Partly cloudy with a chance of showers and thunderstorms. Lows in the mid 70s. Chance of rain 50%. Heat index values up to 105 early in the evening.
Sunday... Mostly sunny with a chance of showers and thunderstorms. Highs in the mid 90s. Chance of rain 30%. Heat index values up to 110.
Sunday Night... Partly cloudy. Lows in the upper 70s.
Monday... Sunny. Highs in the upper 90s. Heat index values up to 110.
Monday Night... Mostly clear with a slight chance of showers and thunderstorms. Lows in the upper 70s. Chance of rain 20%. Heat index values up to 105 early in the evening.
Tuesday... Sunny with a chance of showers and thunderstorms. Highs in the upper 90s. Chance of rain 30%. Heat index values up to 110.
Tuesday Night... Partly cloudy with a chance of showers and thunderstorms. Lows in the mid 70s. Chance of rain 40%. Heat index values up to 105 early in the evening.
POP = Probability of Precipitation
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