Charleston Air Force Base/International Airport Weather Forecast
- 74
- 97
Thunderstorms Likely
- 73
- 91
Rain Showers
- 74
- 90
Thunderstorms Likely
- 75
- 93
Slight Chance Thunderstorms
- 77
- 95
Mostly Sunny
- 77
- 96
Slight Chance Thunderstorms
Today 12 Jul Charleston
Mostly sunny. A chance of Showers and Thunderstorms in the afternoon. Highs in the mid 90s. Heat index Values up to 112. Southwest Winds 5 to 10 Mph. Chance of rain 50 percent.
Tonight 12 Jul Charleston
Mostly cloudy with a chance of Thunderstorms. Showers Likely, mainly in the evening. Lows in the mid 70s. Heat index Values up to 106 early in the evening. Southwest Winds 5 to 10 Mph with Gusts up to 20 Mph, becoming west after midnight. Chance of rain 70 percent.
Charleston Air Force Base/International Airport Temperature Statistics
July Temperature
Charleston, Charleston Air Force Base (0 miles)
Lowest 2 July, 2026
71.7 °FAverage July
86 °FHighest 5 July, 2026
98.7 °F
Climate (2021–2026)
Charleston, Charleston Air Force Base (0 miles)
Average Low 2021–2026
58.2 °FAverage 2021–2026
67.5 °FAverage High 2021–2026
78 °F