Charleston Area NWS Forecast
Forecast for Charleston updated at 2:57 PM on September 28, 2026
- Tonight Mostly clear. Lows in the mid 60s. South winds around 5 mph this evening, becoming light and variable.
- Tuesday Sunny. Highs in the mid 80s, except in the lower 80s near the coast. North winds around 5 mph, becoming southeast in the afternoon.
- Tuesday Night Partly cloudy in the evening, then becoming mostly clear. Lows in the upper 60s. Southeast winds 5 to 10 mph in the evening, becoming light and variable.
- Wednesday Sunny. Highs in the lower 80s. East winds 5 to 10 mph.
- Wednesday Night Mostly clear. Lows around 70. East winds 5 to 10 mph.
- Thursday Sunny. Highs in the mid 80s.
- Thursday Night Mostly clear. Lows in the lower 70s.
- Friday Mostly sunny with a slight chance of showers and thunderstorms. Highs in the mid 80s. Chance of rain 20 percent.
- Friday Night Mostly cloudy with a slight chance of showers and thunderstorms. Lows in the lower 70s. Chance of rain 20 percent.
- Saturday Partly sunny with a chance of showers and thunderstorms. Highs in the lower 80s. Chance of rain 50 percent.
- Saturday Night Mostly cloudy with a slight chance of showers and thunderstorms. Lows in the lower 70s. Chance of rain 20 percent.
- Sunday Partly sunny with a chance of showers with a slight chance of thunderstorms. Highs in the lower 80s. Chance of rain 50 percent.
- Sunday Night Mostly cloudy with a chance of showers with a slight chance of thunderstorms. Lows around 70. Chance of rain 50 percent.
- Monday Partly sunny with a chance of showers with a slight chance of thunderstorms. Highs in the upper 70s. Chance of rain 50 percent.