Labor Day weekend: Steamy then stormy
Labor Day weekend will get off to a hot start with Heat Advisory-level heat indices expected Saturday. From there, we’ll turn more unsettled as we get into Sunday as a front moves through the area.
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77°
Feels Like 79°
Clear
- Wind North at 3 mph
- Pressure 29.92 in.
- Dewpoint 75°F
- Humidity 94%
last updated at 4:20 AM on September 5, 2026
Weather Alerts
Issued by the National Weather Service, last updated at 4:37 AM on September 5, 2026
- Heat Advisoryfor Effingham; Inland Chatham; Coastal Chatham; Hampton; Inland Colleton; Dorchester; Inland Berkeley; Inland Jasper; Beaufort; Coastal Colleton; Charleston; Coastal Jasper; Tidal Berkeley from 11:00 AM on September 5, 2026 until 8:00 PM on September 5, 2026
Charleston Weather Discussion
The latest forecast and discussion for the Charleston, SC metro area
Charleston Area NWS Forecast
Forecast for Charleston updated at 2:27 AM on September 5, 2026
- Rest Of Tonight Mostly clear. Lows in the upper 70s. Southwest winds around 5 mph.
- Saturday Sunny. Highs in the mid 90s, except around 90 near the coast. Heat index values up to 109. West winds around 5 mph, becoming southwest with gusts up to 20 mph in the afternoon.
- Saturday Night Mostly clear in the evening, then partly cloudy with a slight chance of showers and thunderstorms after midnight. Lows in the upper 70s. Heat index values up to 105 early in the evening. Southwest winds 5 to 10 mph. Chance of rain 20 percent.
- Sunday Mostly sunny. A slight chance of showers in the morning, then showers and thunderstorms likely in the afternoon. Highs in the lower 90s. West winds around 5 mph, becoming southeast in the afternoon. Chance of rain 70 percent. Heat index values up to 108.
- Sunday Night Showers. Thunderstorms likely, mainly in the evening. Lows in the lower 70s. East winds 5 to 10 mph. Chance of rain 90 percent.
- Labor Day Showers likely with a chance of thunderstorms. Highs in the mid 80s. Chance of rain 70 percent.
- Monday Night Mostly cloudy with a chance of showers and thunderstorms. Lows in the lower 70s. Chance of rain 50 percent.
- Tuesday Mostly sunny with a chance of showers and thunderstorms. Highs in the mid 80s. Chance of rain 50 percent.
- Tuesday Night Partly cloudy with a slight chance of showers and thunderstorms. Lows in the lower 70s. Chance of rain 20 percent.
- Wednesday Mostly sunny with a chance of showers and thunderstorms. Highs in the mid 80s. Chance of rain 40 percent.
- Wednesday Night Partly cloudy. Lows in the lower 70s.
- Thursday Sunny with a slight chance of showers and thunderstorms. Highs in the upper 80s. Chance of rain 20 percent.
- Thursday Night Partly cloudy. Lows in the mid 70s.
- Friday Sunny with a slight chance of showers and thunderstorms. Highs around 90. Chance of rain 20 percent.