Currently

89°

Feels Like 102°

Mostly Cloudy

Wind at 3 mph
Pressure 30.12 in.
Dewpoint 77°F
Humidity 68%

last updated at 10:56 AM on August 14, 2026

Weather Alerts

Issued by the National Weather Service, last updated at 12:10 PM on August 14, 2026

Heat Advisoryfor Jenkins; Screven; Candler; Bulloch; Effingham; Tattnall; Evans; Long; Allendale; Hampton; Inland Colleton; Dorchester until 8:00 PM on August 14, 2026
Extreme Heat Warningfor Inland Bryan; Coastal Bryan; Inland Chatham; Coastal Chatham; Inland Liberty; Coastal Liberty; Inland McIntosh; Coastal McIntosh; Inland Berkeley; Inland Jasper; Beaufort; Coastal Colleton; Charleston; Coastal Jasper; Tidal Berkeley until 8:00 PM on August 14, 2026
Extreme Heat Watchfor Inland Bryan; Coastal Bryan; Inland Chatham; Coastal Chatham; Inland Liberty; Coastal Liberty; Inland McIntosh; Coastal McIntosh; Inland Berkeley; Inland Jasper; Beaufort; Coastal Colleton; Charleston; Coastal Jasper; Tidal Berkeley from 11:00 AM on August 15, 2026 until 8:00 PM on August 15, 2026

Charleston Weather Discussion

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

Friday & the weekend: Dangerous heat continues

Jared Smith / August 13, 2026 at 11:18 PM

Dangerous heat will continue to be the main weather story as we head into Friday and the weekend, with an isolated to scattered afternoon thunderstorm the only real shot at bringing about any reprieve.

Charleston Area NWS Forecast

Forecast for Charleston updated at 5:37 AM on August 14, 2026

Today Mostly sunny. A slight chance of showers and thunderstorms this afternoon. Highs in the upper 90s, except in the lower 90s near the coast. Heat index values up to 112. Southwest winds 5 to 10 mph. Chance of rain 20 percent.
Tonight Partly cloudy. A slight chance of showers and thunderstorms in the evening. Lows around 80. Heat index values up to 107 early in the evening. Southwest winds 5 to 10 mph with gusts up to 20 mph. Chance of rain 20 percent.
Saturday Mostly sunny. A slight chance of showers and thunderstorms in the afternoon. Highs in the upper 90s, except in the mid 90s near the coast. Heat index values up to 113. Southwest winds 5 to 10 mph. Chance of rain 20 percent.
Saturday Night Partly cloudy with a chance of showers. A chance of thunderstorms, mainly in the evening. Lows in the upper 70s. Southwest winds 5 to 10 mph. Chance of rain 40 percent. Heat index values up to 108 early in the evening.
Sunday Mostly sunny. A slight chance of showers and thunderstorms in the afternoon. Highs in the upper 90s, except in the lower 90s near the coast. Northwest winds around 5 mph, becoming south in the afternoon. Chance of rain 20 percent. Heat index values up to 111.
Sunday Night Partly cloudy. Lows around 80. Heat index values up to 105 early in the evening.
Monday Sunny. Highs in the upper 90s. Heat index values up to 120.
Monday Night Mostly clear. Lows in the lower 80s. Heat index values up to 110 early in the evening.
Tuesday Sunny with a slight chance of showers and thunderstorms. Highs in the upper 90s. Chance of rain 20 percent. Heat index values up to 115.
Tuesday Night Partly cloudy with a slight chance of showers and thunderstorms. Lows around 80. Chance of rain 20 percent. Heat index values up to 115 early in the evening.
Wednesday Mostly sunny with a chance of showers and thunderstorms. Highs in the mid 90s. Chance of rain 50 percent. Heat index values up to 115.
Wednesday Night Partly cloudy with a slight chance of showers and thunderstorms. Lows in the upper 70s. Chance of rain 20 percent. Heat index values up to 110 early in the evening.
Thursday Sunny with a slight chance of showers and thunderstorms. Highs in the mid 90s. Chance of rain 20 percent. Heat index values up to 110.

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