Charleston Harbor - Patriots Point Weather Forecast
- 81
- 89
Slight Chance Thunderstorms
- 80
- 87
Chance Thunderstorms
- 77
- 87
Rain Showers Likely
- 77
- 86
Thunderstorms Likely
- 79
- 89
Slight Chance Thunderstorms
- 81
- 91
Chance Thunderstorms
Today 23 Jul Charleston
Mostly sunny. Highs in the mid 90s, except in the lower 90s near the coast. Heat index Values up to 107. Southwest Winds 10 to 15 Mph.
Tonight 23 Jul Charleston
Mostly cloudy. Lows around 80. Heat index Values up to 105 early this evening. South Winds 5 to 10 Mph.
Charleston Harbor - Patriots Point Temperature Statistics
July Temperature
Charleston Executive Airport (8.1 miles)
Lowest 2 July, 2026
71.6 °FAverage July
84.2 °FHighest 11 July, 2026
98.6 °F
Climate (2021–2026)
Charleston Executive Airport (8.1 miles)
Average Low 2021–2026
58.9 °FAverage 2021–2026
67.3 °FAverage High 2021–2026
76.2 °F