Charleston Weather - Weather forecasts and discussions for the Charleston, SC Tri-County area

Charleston Area NWS Forecast

Forecast for Charleston updated at 5:37 PM on May 15, 2026

Tonight Clear. Lows in the lower 60s, except in the mid 60s near the coast. South winds 5 to 10 mph.
Saturday Sunny. Highs in the lower 80s. Southeast winds 5 to 10 mph.
Saturday Night Partly cloudy in the evening, then becoming mostly cloudy. Lows in the upper 60s. South winds 5 to 10 mph.
Sunday Mostly cloudy in the morning, then becoming mostly sunny. Highs in the mid 80s. South winds 5 to 10 mph.
Sunday Night Partly cloudy. Lows in the upper 60s. Southeast winds 5 to 10 mph.
Monday Sunny. Highs in the mid 80s.
Monday Night Mostly clear. Lows in the upper 60s.
Tuesday Sunny. Highs in the mid 80s.
Tuesday Night Mostly clear. Lows around 70.
Wednesday Mostly sunny with a 20 percent chance of showers. Highs in the mid 80s.
Wednesday Night Partly cloudy with a 20 percent chance of showers. Lows in the lower 70s.
Thursday Partly sunny with a chance of showers and thunderstorms. Highs in the lower 80s. Chance of rain 50 percent.
Thursday Night Mostly cloudy with a chance of showers with a slight chance of thunderstorms. Lows around 70. Chance of rain 50 percent.
Friday Partly sunny with a chance of showers and thunderstorms. Highs in the lower 80s. Chance of rain 50 percent.