Charleston Area NWS Forecast
Forecast for Charleston updated at 5:37 PM on September 30, 2026
- Tonight Mostly clear. Patchy fog after midnight. Lows around 70. East winds around 5 mph.
- Thursday Patchy fog in the morning. Sunny. Highs in the mid 80s. East winds 5 to 10 mph.
- Thursday Night Mostly clear in the evening, then becoming partly cloudy. Lows in the lower 70s. Southeast winds 5 to 10 mph in the evening, becoming light and variable.
- Friday 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 Partly cloudy. Lows in the lower 70s. South winds around 5 mph.
- Saturday Mostly sunny with a chance of showers and thunderstorms. Highs in the mid 80s. Chance of rain 50 percent.
- Saturday Night Mostly cloudy with a chance of showers and thunderstorms. Lows around 70. Chance of rain 50 percent.
- Sunday Showers likely with a chance of thunderstorms. Highs around 80. Chance of rain 70 percent.
- Sunday Night Showers likely with a slight chance of thunderstorms. Lows in the upper 60s. Chance of rain 70 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 Partly sunny with a 20 percent chance of showers. Highs in the lower 70s.
- Tuesday Night Mostly cloudy with a 20 percent chance of showers. Lows in the mid 50s.
- Wednesday Mostly sunny with a 20 percent chance of showers. Highs in the lower 70s.