Charleston Weather Forecast
- 81
- 95
Chance Thunderstorms
- 76
- 95
Rain Showers
- 73
- 85
Thunderstorms
- 73
- 84
Rain Showers
- 75
- 86
Thunderstorms Likely
- 76
- 88
Rain Showers Likely
Today 31 Jul Charleston
Mostly sunny. A slight chance of Showers and Thunderstorms in the Morning, then a chance of Showers and Thunderstorms in the afternoon. Highs in the mid 90s. Heat index Values up to 110. Southwest Winds 5 to 10 Mph. Chance of rain 50 percent.
Tonight 31 Jul Charleston
Partly cloudy with a slight chance of Showers and Thunderstorms. Lows in the upper 70s. Southwest Winds around 5 Mph. Chance of rain 20 percent.
Charleston Temperature Statistics
July Temperature
Charleston Executive Airport (6.8 miles)
Lowest 11 July, 2025
71.6 °FAverage July
83.3 °FHighest 27 July, 2025
100.4 °F
Climate (2020–Present)
Charleston Executive Airport (6.8 miles)
Average Low 2020–2025
59.1 °FAverage 2020–2025
67.4 °FAverage High 2020–2025
76.1 °F