Forecast for Charleston updated at 2:22 PM on October 3, 2026
This AfternoonShowers likely with a chance of thunderstorms. Highs in the lower 80s. Southeast winds around 5 mph. Chance of rain 70 percent.
TonightMostly cloudy. A slight chance of showers and thunderstorms in the evening, then a chance of showers and thunderstorms after midnight. Lows in the lower 70s. South winds around 5 mph. Chance of rain 50 percent.
SundayMostly cloudy. A chance of showers with a slight chance of thunderstorms in the morning, then showers likely with a chance of thunderstorms in the afternoon. Highs in the lower 80s. West winds around 5 mph, becoming south in the afternoon. Chance of rain 70 percent.
Sunday NightShowers. A chance of thunderstorms, mainly in the evening. Lows around 70. North winds around 5 mph. Chance of rain near 100 percent.
MondayShowers with a slight chance of thunderstorms. Highs in the mid 70s. Northeast winds 5 to 10 mph. Chance of rain near 100 percent.
Monday NightMostly cloudy with a 40 percent chance of showers. Lows in the lower 60s.
TuesdayPartly sunny with a 40 percent chance of showers. Breezy with highs in the lower 70s.
Tuesday NightMostly cloudy and breezy. Lows around 60.
WednesdayPartly sunny with a 20 percent chance of showers. Highs in the mid 70s.
Wednesday NightMostly cloudy. Lows in the upper 50s.
ThursdayPartly sunny. Highs in the upper 70s.
Thursday NightMostly cloudy with a 20 percent chance of showers. Lows in the lower 60s.
FridayPartly sunny with a 20 percent chance of showers. Highs in the upper 70s.