South Dewees Island Weather Forecast
- 56
- 69
Mostly Sunny
- 56
- 72
Mostly Sunny
- 60
- 76
Mostly Sunny
- 62
- 76
Mostly Sunny
- 62
- 77
Partly Sunny
- 64
- 78
Mostly Sunny
- 65
- 79
Mostly Sunny
Today 9 Apr Charleston
Sunny. Highs in the lower 70s, except in the upper 60s near the coast. Northeast Winds 10 to 15 Mph with Gusts up to 25 Mph.
Tonight 9 Apr Charleston
Mostly clear. Lows in the mid 50s. Northeast Winds 10 to 15 Mph with Gusts up to 25 Mph.
South Dewees Island Temperature Statistics
April Temperature
Mount Pleasant Regional-Faison Field (5 miles)
Lowest 7 April, 2026
55.4 °FAverage April
67.8 °FHighest 5 April, 2026
80.6 °F
Climate (2021–Present)
Mount Pleasant Regional-Faison Field (5 miles)
Average Low 2021–2026
58.3 °FAverage 2021–2026
66.4 °FAverage High 2021–2026
75.4 °F