Charleston Area NWS Forecast
Forecast for Charleston updated at 2:42 PM on October 4, 2026
- Tonight A chance of showers and thunderstorms this evening, then showers likely with a slight chance of thunderstorms after midnight. Lows in the upper 60s. Light and variable winds, becoming north around 5 mph after midnight. Chance of rain 70 percent.
- Monday Cloudy. A chance of showers with a slight chance of thunderstorms in the morning, then a chance of showers in the afternoon. Highs in the mid 70s. North winds 5 to 10 mph. Chance of rain 50 percent.
- Monday Night Cloudy. Lows in the mid 60s. Northeast winds 10 to 15 mph with gusts up to 25 mph.
- Tuesday Mostly cloudy in the morning, then becoming partly sunny. A 20 percent chance of showers. Breezy with highs in the mid 70s. Northeast winds 15 to 25 mph with gusts up to 40 mph.
- Tuesday Night Mostly cloudy and breezy. Lows around 60. Northeast winds 20 to 25 mph, diminishing to 10 to 15 mph after midnight.
- Wednesday Partly sunny. Highs in the upper 70s.
- Wednesday Night Mostly cloudy. Lows in the upper 50s.
- Thursday Mostly sunny. Highs around 80.
- Thursday Night Mostly cloudy. Lows in the lower 60s.
- Friday Partly sunny with a 20 percent chance of showers. Highs around 80.
- Friday Night Mostly cloudy with a slight chance of showers and thunderstorms. Lows in the mid 60s. Chance of rain 20 percent.
- Saturday Mostly cloudy with a chance of showers with a slight chance of thunderstorms. Highs in the upper 70s. Chance of rain 50 percent.
- Saturday Night Showers likely with a slight chance of thunderstorms. Lows in the mid 60s. Chance of rain 60 percent.
- Sunday Showers likely with a slight chance of thunderstorms. Highs in the upper 70s. Chance of rain 70 percent.