Cape Island Weather Forecast
- 61
- 68
Rain Showers
- 37
- 68
Rain Showers
- 38
- 49
Partly Sunny
- 43
- 52
Partly Sunny
- 47
- 60
Mostly Sunny
- 53
- 65
Mostly Sunny
Today 15 Mar Charleston
Partly sunny with a chance of Showers with a slight chance of Thunderstorms. Highs in the upper 70s, except in the lower 70s near the coast. East Winds 5 to 10 Mph with Gusts up to 20 Mph. Chance of rain 50 percent.
Tonight 15 Mar Charleston
Mostly cloudy with a chance of Thunderstorms. A chance of Showers in the Evening, then Showers likely after midnight. Lows in the lower 60s. South Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 70 percent.
Cape Island Temperature Statistics
March Temperature
Georgetown County Airport (18 miles)
Lowest 1 March, 2026
41 °FAverage March
63.1 °FHighest 11 March, 2026
87.8 °F
Climate (2021–Present)
Georgetown County Airport (18 miles)
Average Low 2021–2026
54.5 °FAverage 2021–2026
63.9 °FAverage High 2021–2026
74.2 °F