| NWS Forecast for: Saint Helena Island SC Issued by: National Weather Service Charleston, SC Last Update: 9:25 am EDT Jul 3, 2025 |  |
| This Afternoon: Showers and thunderstorms likely, mainly between 2pm and 3pm. Mostly sunny, with a high near 89. South wind around 6 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms. Tonight: A 30 percent chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 75. Light and variable wind. Independence Day: A chance of showers, with thunderstorms also possible after 11am. Mostly sunny, with a high near 90. East wind 5 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 40%. Friday Night: A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 75. East wind around 8 mph. Saturday: Showers likely and possibly a thunderstorm before 2pm, then showers and thunderstorms likely after 2pm. Partly sunny, with a high near 86. East wind 11 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible. Saturday Night: Showers and thunderstorms likely, mainly before 8pm. Mostly cloudy, with a low around 74. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible. Sunday: Showers and thunderstorms likely, mainly after 2pm. Partly sunny, with a high near 89. Chance of precipitation is 60%. Sunday Night: Showers and thunderstorms likely, mainly before 8pm. Partly cloudy, with a low around 74. Chance of precipitation is 60%. Monday: A 50 percent chance of showers and thunderstorms, mainly after 8am. Mostly sunny, with a high near 90. Monday Night: A slight chance of showers and thunderstorms. Partly cloudy, with a low around 77. Chance of precipitation is 20%. Tuesday: A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 93. Tuesday Night: A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 77. Wednesday: A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 93. | |
| Saint Helena Island SC 32.39°N 80.57°W (Elev. 20 ft) | |
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