Charleston Area NWS Forecast
Forecast for Charleston updated at 2:47 PM on October 2, 2026
- Tonight Partly cloudy this evening, then mostly cloudy with a slight chance of showers and thunderstorms after midnight. Lows in the lower 70s. South winds around 5 mph. Chance of rain 20 percent.
- Saturday Partly sunny in the morning, then becoming mostly cloudy. A chance of showers. A slight chance of thunderstorms in the morning, then a chance of thunderstorms in the afternoon. Highs in the lower 80s. East winds around 5 mph, becoming southeast in the afternoon. Chance of rain 50 percent.
- Saturday Night Mostly cloudy with a chance of showers. A chance of thunderstorms, mainly in the evening. Lows in the lower 70s. Southeast winds around 5 mph. Chance of rain 50 percent.
- Sunday Showers likely with a slight chance of thunderstorms in the morning, then showers with a chance of thunderstorms in the afternoon. Highs in the lower 80s. South winds around 5 mph. Chance of rain 90 percent.
- Sunday Night Showers. A chance of thunderstorms, mainly in the evening. Lows around 70. Southwest winds around 5 mph, becoming west after midnight. Chance of rain 90 percent.
- Monday Showers with a slight chance of thunderstorms. Highs in the mid 70s. Chance of rain 90 percent.
- Monday Night Cloudy with a 50 percent chance of showers. Lows in the mid 60s.
- Tuesday Mostly cloudy with a 40 percent chance of showers. Breezy with highs in the mid 70s.
- Tuesday Night Mostly cloudy with a 20 percent chance of showers. Lows in the upper 50s.
- Wednesday Partly sunny with a 30 percent chance of showers. Highs in the lower 70s.
- Wednesday Night Mostly cloudy with a 20 percent chance of showers. Lows in the upper 50s.
- Thursday Partly sunny with a 20 percent chance of showers. Highs in the mid 70s.
- Thursday Night Mostly cloudy with a 20 percent chance of showers. Lows in the upper 50s.
- Friday Partly sunny with a 20 percent chance of showers. Highs in the upper 70s.