Charleston Area NWS Forecast
Forecast for Charleston updated at 5:37 AM on April 30, 2026
- Today Mostly cloudy. Showers and thunderstorms this morning. Highs in the mid 70s. Northwest winds 5 to 10 mph. Chance of rain 90 percent.
- Tonight Mostly cloudy. Lows in the upper 50s. Northeast winds around 5 mph.
- Friday Mostly cloudy. A slight chance of showers in the morning, then a chance of showers in the afternoon. Highs in the lower 70s. Northeast winds 5 to 10 mph with gusts up to 20 mph. Chance of rain 50 percent.
- Friday Night Cloudy. A chance of showers in the evening, then showers likely after midnight. Lows in the upper 50s. Northeast winds 5 to 10 mph. Chance of rain 70 percent.
- Saturday Showers with a slight chance of thunderstorms. Highs in the mid 60s. North winds 10 to 15 mph. Chance of rain near 100 percent.
- Saturday Night Mostly cloudy with a 30 percent chance of showers. Lows around 50.
- Sunday Sunny. Highs around 70.
- Sunday Night Mostly clear. Lows in the lower 50s.
- Monday Sunny. Highs in the mid 70s.
- Monday Night Mostly clear. Lows in the upper 50s.
- Tuesday Sunny. Highs around 80.
- Tuesday Night Mostly clear. Lows in the lower 60s.
- Wednesday Mostly sunny with a 20 percent chance of showers. Highs in the lower 80s.