Charleston Area NWS Forecast
Forecast for Charleston updated at 2:17 PM on April 20, 2026
- This Afternoon Sunny. Highs in the mid 70s. East winds around 5 mph.
- Tonight Mostly clear. Lows in the lower 50s. South winds around 5 mph, becoming west after midnight.
- Tuesday Sunny. Highs in the lower 70s. Northeast winds 5 to 10 mph with gusts up to 20 mph.
- Tuesday Night Mostly clear in the evening, then becoming partly cloudy. Lows in the mid 50s, except in the upper 50s near the coast. Southeast winds 5 to 10 mph.
- Wednesday Partly sunny. Highs in the upper 70s. Southwest winds 5 to 10 mph.
- Wednesday Night Mostly clear. Lows in the upper 50s.
- Thursday Sunny. Highs in the lower 80s.
- Thursday Night Mostly clear. Lows around 60.
- Friday Sunny. Highs in the lower 80s.
- Friday Night Mostly clear. Lows in the lower 60s.
- Saturday Sunny. Highs in the mid 80s.
- Saturday Night Mostly cloudy with a chance of showers with a slight chance of thunderstorms. Lows in the mid 60s. Chance of rain 40 percent.
- Sunday Mostly sunny with a chance of showers with a slight chance of thunderstorms. Highs in the lower 80s. Chance of rain 40 percent.