Currently
79°
Feels Like 83°
Mostly Cloudy
- Wind WSW at 3 mph
- Pressure 30.09 in.
- Dewpoint 74°F
- Humidity 85%
last updated at 1:56 AM on August 15, 2026
Weather Alerts
Issued by the National Weather Service, last updated at 3:09 AM on August 15, 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 from 11:00 AM on August 15, 2026 until 8:00 PM on August 15, 2026
- Heat Advisoryfor Jenkins; Screven; Candler; Bulloch; Effingham; Tattnall; Evans; Long; Allendale; Hampton; Inland Colleton; Dorchester from 11:00 AM on August 15, 2026 until 8:00 PM on August 15, 2026
Charleston Area NWS Forecast
Forecast for Charleston updated at 2:17 AM on August 15, 2026
- Rest Of Tonight Partly cloudy. Lows in the upper 70s. Southwest winds around 5 mph.
- Saturday Mostly sunny. A slight chance of showers and thunderstorms in the afternoon. Highs in the mid 90s. Heat index values up to 114. Southwest winds 5 to 10 mph. Chance of rain 20 percent.
- Saturday Night Mostly cloudy. A slight chance of showers and thunderstorms in the evening. Lows in the upper 70s. Heat index values up to 109 early in the evening. Southwest winds 5 to 10 mph. Chance of rain 20 percent.
- 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. West winds around 5 mph, becoming south in the afternoon. Chance of rain 20 percent. Heat index values up to 113.
- Sunday Night Partly cloudy with a chance of showers and thunderstorms in the evening, then mostly clear after midnight. Lows in the upper 70s. Southwest winds 5 to 10 mph. Chance of rain 50 percent. Heat index values up to 108 early in the evening.
- Monday Sunny. Highs in the upper 90s. Heat index values up to 115.
- Monday Night Mostly clear. Lows in the lower 80s. Heat index values up to 115 early in the evening.
- Tuesday Sunny. Highs in the upper 90s. Heat index values up to 115.
- Tuesday 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.
- Wednesday Mostly sunny with a chance of showers and thunderstorms. Highs in the mid 90s. Chance of rain 30 percent. Heat index values up to 115.
- Wednesday Night Partly cloudy. Lows in the upper 70s. 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 115.
- Thursday 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.
- Friday Mostly sunny with a chance of showers and thunderstorms. Highs in the lower 90s. Chance of rain 50 percent. Heat index values up to 110.