Charleston Weather - Weather forecasts and discussions for the Charleston, SC Tri-County area

Weather Alerts

Issued by the National Weather Service, last updated at 5:09 PM on October 17, 2026

- Inland Berkeley
- 2:00 AM on October 19, 2026
- * WHAT...Northeast winds 20 to 25 knots with gusts up to 30 knots and waves 2 to 3 feet on Lake Moultrie. * WHERE...Lake Moultrie. * WHEN...Until 2 AM EDT Monday. * IMPACTS...Strong winds and rough waves on Lake Moultrie will create hazardous conditions for small craft.
- Boaters on Lake Moultrie should use extra caution since strong winds and rough waves can overturn small craft.
- Inland Chatham; Coastal Chatham; Beaufort; Coastal Colleton; Charleston; Coastal Jasper; Tidal Berkeley
- 8:00 PM on October 17, 2026
- Gusty north winds will impact the region today in the wake of a strong cold front. Winds on some of the taller bridges and elevated roadways around the Charleston, Beaufort and Savannah Metro Areas and nearby barrier islands, could see gusts as high as 40 mph at times making for hazardous driving conditions. Some of these bridges include the Ravenel Bridge, the Don Holt Bridge, the James B. Edwards Bridge, the Ben Sawyer Bridge, the Isle of Palms connector, the James Island Connector, the Amos Nathaniel Rodgers Bridge, the McKinley Washington Junior Bridge, the Woods Memorial Bridge, the Edward Burton Rodgers Bridge, the Harbor River Bridge and the Talmadge Memorial Bridge. Vehicles driving on these bridges should use extra caution, particularly high profile vehicles.
- Stay tuned to NOAA Weather Radio All Hazards, TV or your local news source for the latest information from the National Weather Service.

Forecast for Charleston updated at 2:42 PM on October 17, 2026

Tonight Partly cloudy this evening, then clearing. Cooler with lows in the upper 40s. Breezy. North winds 15 to 25 mph with gusts up to 35 mph.
Sunday Sunny. Highs in the mid 60s. North winds 15 to 20 mph with gusts up to 30 mph.
Sunday Night Clear. Lows around 50. North winds 10 to 15 mph with gusts up to 30 mph.
Monday Sunny. Highs in the upper 60s. North winds 10 to 15 mph with gusts up to 25 mph.
Monday Night Mostly clear. Lows in the lower 50s. North winds 5 to 10 mph with gusts up to 20 mph.
Tuesday Sunny. Highs in the lower 70s.
Tuesday Night Clear. Lows in the lower 50s.
Wednesday Sunny. Highs in the lower 70s.
Wednesday Night Mostly clear. Lows in the lower 50s.
Thursday Sunny. Highs in the lower 70s.
Thursday Night Mostly clear. Lows in the lower 50s.
Friday Sunny. Highs in the lower 70s.
Friday Night Clear. Lows in the mid 50s.
Saturday Sunny. Highs in the lower 70s.