Charleston Area NWS Forecast
Forecast for Charleston updated at 5:37 AM on March 22, 2026
- Today Sunny. Highs in the mid 80s, except in the upper 70s near the coast. Southwest winds 10 to 15 mph.
- Tonight Mostly clear. Lows in the lower 60s. Southwest winds 5 to 10 mph with gusts up to 20 mph.
- Monday Sunny. A slight chance of showers in the afternoon. Highs in the mid 80s, except in the lower 80s near the coast. West winds 5 to 10 mph with gusts up to 20 mph. Chance of rain 20 percent.
- Monday Night A slight chance of thunderstorms in the evening. Mostly cloudy with a slight chance of showers. Lows in the lower 50s. Northwest winds 5 to 10 mph with gusts up to 20 mph, increasing to northeast 15 to 20 mph with gusts up to 30 mph after midnight. Chance of rain 20 percent.
- Tuesday Mostly cloudy. A slight chance of showers in the afternoon. Much cooler with highs in the lower 60s. Northeast winds 15 to 20 mph with gusts up to 30 mph. Chance of rain 20 percent.
- Tuesday Night Mostly cloudy with a 20 percent chance of showers. Lows around 50.
- Wednesday Partly sunny with a 20 percent chance of showers. Highs in the upper 60s.
- Wednesday Night Partly cloudy. Lows in the mid 50s.
- Thursday Sunny. Highs in the mid 70s.
- Thursday Night Mostly clear. Lows in the upper 50s.
- Friday Sunny. Highs in the lower 80s.
- Friday Night Partly cloudy with a 20 percent chance of showers. Lows in the lower 50s.
- Saturday Partly sunny with a 20 percent chance of showers. Cooler with highs in the lower 60s.