| NWS Forecast for: Barnwell SC Issued by: National Weather Service Columbia, SC Last Update: 8:14 pm EDT Jul 12, 2025 |  |
| Tonight: A slight chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 74. Calm wind. Chance of precipitation is 20%. Sunday: Sunny, with a high near 96. Heat index values as high as 102. Light northwest wind. Sunday Night: Mostly clear, with a low around 74. Calm wind. Monday: A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 95. Heat index values as high as 103. Calm wind. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms. Monday Night: A chance of showers and thunderstorms, mainly before 8pm. Mostly cloudy, with a low around 73. Calm wind. Chance of precipitation is 30%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms. Tuesday: A slight chance of showers, then showers and thunderstorms likely after 11am. Partly sunny, with a high near 92. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms. Tuesday Night: Showers and thunderstorms likely before 8pm. Mostly cloudy, with a low around 73. Chance of precipitation is 60%. Wednesday: A chance of showers between 8am and 2pm, then showers and thunderstorms likely after 2pm. Mostly cloudy, with a high near 90. Chance of precipitation is 70%. Wednesday Night: Showers and thunderstorms likely before 2am, then a chance of showers. Mostly cloudy, with a low around 73. Chance of precipitation is 60%. Thursday: A chance of showers, then showers and thunderstorms likely after 2pm. Partly sunny, with a high near 91. Chance of precipitation is 60%. Thursday Night: Showers and thunderstorms likely. Mostly cloudy, with a low around 73. Chance of precipitation is 60%. Friday: Showers and thunderstorms likely. Partly sunny, with a high near 93. Chance of precipitation is 60%. Friday Night: Showers and thunderstorms likely. Mostly cloudy, with a low around 75. Chance of precipitation is 60%. Saturday: Showers and thunderstorms likely. Partly sunny, with a high near 94. Chance of precipitation is 60%. | |
| Barnwell SC 33.24°N 81.39°W (Elev. 200 ft) | |
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