Expires:202512100500;;298712 FPUS52 KCHS 092139 ZFPCHS Zone Forecast Product National Weather Service Charleston SC 437 PM EST Tue Dec 9 2025 GAZ119-100500- Coastal Chatham- Including the cities of Wilmington Island and Tybee Island 437 PM EST Tue Dec 9 2025 .TONIGHT...Mostly clear. Lows in the upper 30s. North winds around 5 mph. .WEDNESDAY...Sunny. Highs in the lower 60s. West winds 10 to 15 mph. .WEDNESDAY NIGHT...Mostly clear. Lows in the lower 40s. West winds 10 to 15 mph with gusts up to 30 mph. .THURSDAY...Sunny. Highs in the upper 50s. West winds 5 to 10 mph. .THURSDAY NIGHT...Clear. Lows around 40. West winds 5 to 10 mph. .FRIDAY...Sunny. Highs in the lower 60s. .FRIDAY NIGHT...Mostly clear. Lows in the upper 40s. .SATURDAY...Sunny. Highs in the mid 60s. .SATURDAY NIGHT...Mostly clear. Lows in the lower 50s. .SUNDAY...Mostly sunny. Highs in the upper 60s. .SUNDAY NIGHT...Mostly clear. Lows in the upper 30s. .MONDAY...Sunny, cooler with highs in the lower 50s. .MONDAY NIGHT...Partly cloudy. Lows in the upper 30s. .TUESDAY...Mostly sunny. Highs in the mid 50s. $$