South Dewees Island Weather Forecast
- 76
- 86
Thunderstorms Likely
- 77
- 88
Thunderstorms Likely
- 77
- 88
Chance Thunderstorms
- 77
- 89
Chance Thunderstorms
- 77
- 91
Chance Thunderstorms
- 78
- 89
Chance Thunderstorms
Today 9 Jul Charleston
Mostly sunny. A slight chance of Showers and Thunderstorms this Morning, then Showers and Thunderstorms likely this afternoon. Highs in the upper 80s. South Winds 10 to 15 Mph. Chance of rain 70 percent.
Tonight 9 Jul Charleston
Partly cloudy. A chance of Showers and Thunderstorms, mainly in the evening. Lows in the mid 70s. South Winds 10 to 15 Mph. Chance of rain 50 percent.
South Dewees Island Temperature Statistics
July Temperature
Mount Pleasant Regional-Faison Field (5 miles)
Lowest 5 July, 2025
73.4 °FAverage July
80.8 °FHighest 7 July, 2025
93.2 °F
Climate (2020–Present)
Mount Pleasant Regional-Faison Field (5 miles)
Average Low 2020–2025
58.6 °FAverage 2020–2025
66.6 °FAverage High 2020–2025
75.5 °F