South Dewees Island Weather Forecast
- 49
- 64
Rain Showers
- 45
- 61
Decreasing Clouds
- 51
- 61
Partly Sunny
- 55
- 66
Mostly Cloudy
- 56
- 67
Slight Chance Rain Showers
- 57
- 70
Chance Rain Showers
- 53
- 69
Chance Rain Showers
Today 15 Feb Charleston
Showers with a chance of Thunderstorms. Highs in the upper 60s, except in the mid 60s near the coast. South Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain near 100 percent.
Tonight 15 Feb Charleston
A slight chance of Thunderstorms this evening. Cloudy with a chance of Showers. Lows in the upper 40s. Southwest Winds 5 to 10 Mph with Gusts up to 20 Mph, becoming west after midnight. Chance of rain 50 percent.
South Dewees Island Temperature Statistics
February Temperature
Mount Pleasant Regional-Faison Field (5 miles)
Lowest 1 February, 2026
21.2 °FAverage February
44.3 °FHighest 10 February, 2026
73.4 °F
Climate (2021–Present)
Mount Pleasant Regional-Faison Field (5 miles)
Average Low 2021–2026
58.2 °FAverage 2021–2026
66.3 °FAverage High 2021–2026
75.3 °F