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Dewees Island, SC 7-Day Night Weather Forecast
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Dewees Island, SC Weather Forecast
Dewees Island, SC Weather Forecast Date: 537 PM EDT Wed Aug 12 2026
The area/counties/county of: Charleston, including the cities of: Charleston, North Charleston, and Mount Pleasant.or toggle through each period.
Tonight... Mostly clear. Lows in the upper 70s. Heat index values up to 107 early this evening. Southwest winds 5 to 10 mph.
Thursday... Sunny. Highs in the mid 90s. Heat index values up to 114. West winds around 5 mph, increasing to southwest 10 to 15 mph in the afternoon.
Thursday Night... Mostly clear with a slight chance of showers and thunderstorms in the evening, then partly cloudy after midnight. Lows around 80. Heat index values up to 109 early in the evening. Southwest winds 5 to 10 mph. Chance of rain 20%.
Friday... Mostly sunny. Highs in the mid 90s. Southwest winds around 5 mph, increasing to 10 to 15 mph in the afternoon. Heat index values up to 116.
Friday Night... Partly cloudy. Lows around 80. Southwest winds 10 to 15 mph. Heat index values up to 110 early in the evening.
Saturday... Mostly sunny with a slight chance of showers and thunderstorms. Highs in the mid 90s. Chance of rain 20%. Heat index values up to 115.
Saturday Night... Partly cloudy with a slight chance of showers and thunderstorms. Lows in the upper 70s. Chance of rain 20%. Heat index values up to 110 early in the evening.
Sunday... Mostly sunny with a slight chance of showers and thunderstorms. Highs in the lower 90s. Chance of rain 20%. Heat index values up to 110.
Sunday Night... Mostly clear. Lows in the upper 70s. Heat index values up to 110 early in the evening.
Monday... Sunny. Highs in the mid 90s. Heat index values up to 115.
Monday Night... Mostly clear with a slight chance of showers and thunderstorms. Lows in the lower 80s. Chance of rain 20%. Heat index values up to 110 early in the evening.
Tuesday... Sunny with a slight chance of showers and thunderstorms. Highs in the upper 90s. Chance of rain 20%. Heat index values up to 115.
Tuesday Night... Partly cloudy with a chance of showers and thunderstorms. Lows around 80. Chance of rain 30%. Heat index values up to 115 early in the evening.
POP = Probability of Precipitation
Dewees Island Radar Loop
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