Charleston Weather Forecast
- 70
- 79
Rain Showers Likely
- 64
- 79
Rain Showers Likely
- 64
- 79
Partly Sunny
- 66
- 80
Mostly Sunny
- 70
- 83
Mostly Sunny
- 73
- 87
Slight Chance Thunderstorms
Today 18 May Charleston
A chance of Showers with a slight chance of Thunderstorms late this Morning, then Showers likely with a chance of Thunderstorms this afternoon. Highs in the lower 80s. Southwest Winds 5 to 10 Mph. Chance of rain 70 percent.
Tonight 18 May Charleston
Mostly cloudy with a chance of Showers and Thunderstorms. Lows in the upper 60s. Southwest Winds 5 to 10 Mph. Chance of rain 50 percent.
Charleston Temperature Statistics
May Temperature
Charleston Executive Airport (6.8 miles)
Lowest 11 May, 2024
59 °FAverage May
74.8 °FHighest 7 May, 2024
87.8 °F
Climate (2019–Present)
Charleston Executive Airport (6.8 miles)
Take a look at our website widgetsAvailable free! Find Out MoreAverage Low 2019–2024
59.4 °FAverage 2019–2024
67.7 °FAverage High 2019–2024
76.3 °F