Currently

81°

Feels Like 87°

Clear

Wind ESE at 5 mph
Pressure 30.03 in.
Dewpoint 77°F
Humidity 89%

last updated at 11:20 PM on September 3, 2026

Charleston Weather Discussion

The latest forecast and discussion for the Charleston, SC metro area

Friday & the weekend: Turning warmer ahead of a front

Jared Smith / September 3, 2026 at 7:29 PM

Summer won’t loosen its grip just yet, especially as we head into Friday and Saturday as a front approaches the area, sending air temperatures back to the mid-90s and heat indices close to heat advisory territory.

Charleston Area NWS Forecast

Forecast for Charleston updated at 8:02 PM on September 3, 2026

Tonight Mostly clear. Lows in the upper 70s. Southeast winds 5 to 10 mph.
Friday Sunny. Highs in the upper 80s. Heat index values up to 107. Southeast winds 5 to 10 mph.
Friday Night Mostly clear. Lows in the upper 70s. South winds 5 to 10 mph.
Saturday Sunny. Highs in the mid 90s, except around 90 near the coast. West winds around 5 mph, increasing to southwest 10 to 15 mph in the afternoon. Heat index values up to 109.
Saturday Night Partly cloudy with a chance of showers with a slight chance of thunderstorms. Lows in the mid 70s. Southwest winds 10 to 15 mph. Chance of rain 50 percent.
Sunday Showers with a chance of thunderstorms. Highs in the upper 80s. Chance of rain 80 percent.
Sunday Night Showers likely with a chance of thunderstorms. Lows in the lower 70s. Chance of rain 70 percent.
Labor Day Showers likely with a chance of thunderstorms. Highs in the mid 80s. Chance of rain 70 percent.
Monday Night Partly cloudy with a chance of showers with a slight chance of thunderstorms. Lows in the lower 70s. Chance of rain 50 percent.
Tuesday Mostly sunny with a chance of showers with a slight chance of thunderstorms. Highs in the mid 80s. Chance of rain 40 percent.
Tuesday Night Partly cloudy. Lows in the lower 70s.
Wednesday Mostly sunny with a 20 percent chance of showers. Highs in the mid 80s.
Wednesday Night Partly cloudy. Lows in the lower 70s.
Thursday Sunny. Highs in the upper 80s.

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