| NWS Forecast for: Barnwell SC Issued by: National Weather Service Columbia, SC Last Update: 1:05 pm EDT Jul 14, 2025 | |
| This Afternoon: A chance of showers and thunderstorms. Some of the storms could produce heavy rainfall. Partly sunny, with a high near 95. Heat index values as high as 102. Calm wind. Chance of precipitation is 30%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms. Tonight: A chance of showers and thunderstorms, mainly before 9pm. Partly cloudy, with a low around 73. Calm wind. Chance of precipitation is 30%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms. Tuesday: A chance of showers and thunderstorms, mainly after 3pm. Mostly sunny, with a high near 93. Heat index values as high as 100. Calm wind becoming east around 5 mph in the afternoon. Chance of precipitation is 30%. Tuesday Night: A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 73. Light southeast wind. Chance of precipitation is 30%. Wednesday: A chance of showers, with thunderstorms also possible after 11am. Partly sunny, with a high near 92. Calm wind becoming south 5 to 7 mph in the afternoon. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms. Wednesday Night: A chance of thunderstorms before 8pm. Partly cloudy, with a low around 73. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms. Thursday: A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 94. Chance of precipitation is 40%. Thursday Night: A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 73. Chance of precipitation is 30%. Friday: A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 95. Chance of precipitation is 40%. Friday Night: A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 75. Chance of precipitation is 30%. Saturday: A chance of showers and thunderstorms. Mostly sunny, with a high near 96. Chance of precipitation is 40%. Saturday Night: A chance of showers and thunderstorms. Partly cloudy, with a low around 75. Chance of precipitation is 30%. Sunday: A chance of showers and thunderstorms. Mostly sunny, with a high near 95. Chance of precipitation is 50%. Sunday Night: A chance of showers and thunderstorms. Partly cloudy, with a low around 75. Chance of precipitation is 30%. Monday: Showers and thunderstorms likely. Mostly sunny, with a high near 95. | |
| Barnwell SC 33.24°N 81.39°W (Elev. 200 ft) | |
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