Charleston Area NWS Forecast
Forecast for Charleston updated at 2:37 PM on October 1, 2026
- Tonight Mostly clear this evening, then becoming partly cloudy. Areas of fog after midnight. Lows in the lower 70s. Southeast winds around 5 mph this evening, becoming light and variable.
- Friday Widespread fog in the morning. Mostly sunny. Highs in the upper 80s, except in the mid 80s near the coast. Northeast winds around 5 mph, becoming southeast in the afternoon.
- Friday Night Mostly clear in the evening, then partly 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 A slight chance of thunderstorms. A chance of showers in the morning, then showers likely in the afternoon. Highs in the mid 80s. Northwest winds around 5 mph, becoming south in the afternoon. Chance of rain 70 percent.
- Saturday Night Showers likely with a chance of thunderstorms. Lows in the lower 70s. South winds around 5 mph. Chance of rain 70 percent.
- Sunday Showers likely with a chance of thunderstorms. Highs in the lower 80s. Chance of rain 70 percent.
- Sunday Night Showers with a slight chance of thunderstorms. Lows around 70. Chance of rain 90 percent.
- Monday Showers likely with a slight chance of thunderstorms. Highs in the upper 70s. Chance of rain 70 percent.
- Monday Night Mostly cloudy with a 50 percent chance of showers. Lows in the lower 60s.
- Tuesday Mostly cloudy with a 40 percent chance of showers. Breezy with highs in the lower 70s.
- Tuesday Night Mostly cloudy with a 40 percent chance of showers. Lows in the upper 50s.
- Wednesday Partly sunny with a 40 percent chance of showers. Highs in the lower 70s.
- Wednesday Night Mostly cloudy with a 40 percent chance of showers. Lows in the upper 50s.
- Thursday Partly sunny with a 30 percent chance of showers. Highs in the mid 70s.