| NWS Forecast for: Coastal Chatham Issued by: National Weather Service Charleston, SC Last Update: 653 AM EDT Wed Sep 9 2026 | |
Today: Showers likely with a chance of thunderstorms. Highs in the mid 80s. East winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 70 percent. Tonight: Mostly cloudy with a chance of showers with a slight chance of thunderstorms in the evening, then partly cloudy with a slight chance of showers after midnight. Lows in the upper 70s. East winds 10 to 15 mph, becoming southeast around 5 mph after midnight. Chance of rain 30 percent. Thursday: Mostly sunny. A slight chance of showers and thunderstorms in the morning, then a chance of showers and thunderstorms in the afternoon. Highs in the upper 80s. South winds 5 to 10 mph. Chance of rain 50 percent. Thursday Night: Partly cloudy with a slight chance of showers and thunderstorms. Lows in the mid 70s. South winds 5 to 10 mph. Chance of rain 20 percent. Friday: Mostly sunny. A slight chance of showers in the morning, then a chance of showers and thunderstorms in the afternoon. Highs in the upper 80s. Southwest winds 5 to 10 mph. Chance of rain 50 percent. Friday Night: Partly cloudy with a chance of showers and thunderstorms. Lows in the mid 70s. Chance of rain 50 percent. Saturday: Mostly sunny with a chance of showers and thunderstorms. Highs in the upper 80s. Chance of rain 50 percent. Saturday Night: Mostly cloudy with a chance of showers and thunderstorms. Lows in the mid 70s. Chance of rain 50 percent. Sunday: Mostly sunny with a chance of showers and thunderstorms. Highs in the upper 80s. Chance of rain 50 percent. Sunday Night: Partly cloudy with a slight chance of showers and thunderstorms. Lows in the mid 70s. Chance of rain 20 percent. Monday: Mostly sunny with a chance of showers and thunderstorms. Highs in the upper 80s. Chance of rain 40 percent. Monday Night: Partly cloudy with a 20 percent chance of showers. Lows in the upper 70s. Tuesday: Mostly sunny with a chance of showers with a slight chance of thunderstorms. Highs in the upper 80s. Chance of rain 40 percent. | |
| Zone Forecast: Coastal Chatham | |
Visit your local NWS office at: https://www.weather.gov/chs |