Seabrook Island Weather Forecast
- 81
- 95
Mostly Sunny
- 81
- 92
Mostly Sunny
- 78
- 92
Chance Thunderstorms
- 77
- 90
Rain Showers Likely
- 78
- 89
Slight Chance Thunderstorms
- 79
- 89
Chance Thunderstorms
- 79
- 88
Chance Thunderstorms
Today 19 Aug Charleston
Sunny with a slight chance of Showers and Thunderstorms. Highs in the upper 90s, except in the mid 90s near the coast. Heat index Values up to 112. Southeast Winds 5 to 10 Mph. Chance of rain 20 percent.
Tonight 19 Aug Charleston
Mostly clear. A slight chance of Showers and Thunderstorms this evening. Lows in the upper 70s. Heat index Values up to 109 early this evening. South Winds around 5 Mph. Chance of rain 20 percent.
Seabrook Island Temperature Statistics
August Temperature
Charleston Executive Airport (12.4 miles)
Lowest 2 August, 2026
73.4 °FAverage August
82.6 °FHighest 13 August, 2026
98.6 °F
Climate (2021–2026)
Charleston Executive Airport (12.4 miles)
Average Low 2021–2026
59 °FAverage 2021–2026
67.3 °FAverage High 2021–2026
76.2 °F