Coastal Chatham- Including the cities of Wilmington Island and Tybee Island 313 AM EDT Sat Apr 20 2024 .TODAY...Mostly sunny. A slight chance of showers and thunderstorms this afternoon. Highs in the mid 80s. West winds 5 to 10 mph. Chance of rain 20 percent. .TONIGHT...Mostly cloudy with a chance of showers and thunderstorms. Lows in the upper 60s. Southwest winds 10 to 15 mph, becoming west 5 to 10 mph after midnight. Chance of rain 50 percent. .SUNDAY...Partly sunny in the morning, then becoming mostly cloudy. A slight chance of thunderstorms. A slight chance of showers in the morning, then showers in the afternoon. Highs in the mid 70s. Northwest winds 10 to 15 mph. Chance of rain 80 percent. .SUNDAY NIGHT...Showers with a slight chance of thunderstorms in the evening, then showers likely after midnight. Lows in the mid 50s. North winds 10 to 15 mph. Chance of rain 80 percent. .MONDAY...Mostly cloudy with a chance of showers in the morning, then partly sunny with a slight chance of showers in the afternoon. Highs in the mid 60s. North winds 10 to 15 mph. Chance of rain 30 percent. .MONDAY NIGHT...Mostly clear. Lows in the lower 50s. .TUESDAY...Sunny. Highs in the lower 70s. .TUESDAY NIGHT...Mostly clear. Lows in the mid 50s. .WEDNESDAY...Sunny. Highs in the upper 70s. .WEDNESDAY NIGHT...Mostly clear. Lows in the upper 50s. .THURSDAY...Sunny. Highs in the mid 70s. .THURSDAY NIGHT...Mostly clear. Lows in the lower 60s. .FRIDAY...Sunny. Highs in the upper 70s. $$