| NWS Forecast for: Johns Island SC Issued by: National Weather Service Charleston, SC Last Update: 1:23 pm EDT Jul 11, 2025 | |
| This Afternoon: A 30 percent chance of showers and thunderstorms, mainly after 2pm. Partly sunny, with a high near 91. Heat index values as high as 103. Southwest wind around 9 mph. Tonight: A chance of showers and thunderstorms before midnight, then a slight chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 76. Southwest wind 6 to 8 mph. Chance of precipitation is 30%. Saturday: Showers and thunderstorms likely, mainly between 4pm and 5pm. Increasing clouds, with a high near 92. Heat index values as high as 101. South wind 5 to 9 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms. Saturday Night: A 40 percent chance of showers and thunderstorms, mainly before 2am. Mostly cloudy, with a low around 77. South wind around 6 mph. Sunday: A slight chance of showers and thunderstorms before 8am, then a chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 93. Light and variable wind becoming southwest around 6 mph in the morning. Chance of precipitation is 40%. Sunday Night: A 30 percent chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 78. Monday: A slight chance of showers, then a chance of showers and thunderstorms after 11am. Mostly sunny, with a high near 91. Chance of precipitation is 50%. Monday Night: A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 77. Tuesday: Showers and thunderstorms likely, mainly after 2pm. Partly sunny, with a high near 89. Chance of precipitation is 70%. Tuesday Night: Showers and thunderstorms likely, mainly before 8pm. Mostly cloudy, with a low around 77. Chance of precipitation is 60%. Wednesday: Showers and thunderstorms likely. Mostly cloudy, with a high near 88. Chance of precipitation is 70%. Wednesday Night: Showers and thunderstorms likely. Mostly cloudy, with a low around 78. Chance of precipitation is 60%. Thursday: Showers and thunderstorms likely. Partly sunny, with a high near 89. Chance of precipitation is 60%. | |
| Johns Island SC 32.73°N 80.07°W (Elev. 23 ft) | |
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