| NWS Forecast for: Barnwell County Issued by: National Weather Service Columbia, SC Last Update: 209 PM EDT Mon Mar 9 2026 | |
| This Afternoon: Sunny. Near steady temperature in the lower 80s. West winds around 5 mph. Tonight: Mostly clear in the evening, then mostly cloudy with a slight chance of rain after midnight. Lows in the lower 60s. West winds around 5 mph in the evening, becoming light and variable. Chance of rain 20 percent. Tuesday: A chance of thunderstorms in the morning. Partly sunny with a chance of rain. Highs in the lower 80s. Southwest winds around 5 mph. Chance of rain 40 percent. Tuesday Night: Partly cloudy. A chance of rain in the evening. Lows in the lower 60s. Southwest winds around 5 mph. Chance of rain 40 percent. Wednesday: Partly sunny. Highs in the mid 80s. Southwest winds 5 to 10 mph. Wednesday Night: Mostly cloudy. Lows in the lower 60s. Thursday: Rain likely. A chance of thunderstorms in the afternoon. Highs in the lower 70s. Chance of rain 70 percent. Thursday Night: Mostly cloudy with rain likely with a chance of thunderstorms in the evening, then mostly clear after midnight. Much cooler with lows in the lower 40s. Chance of rain 70 percent. Friday: Sunny. Highs in the upper 60s. Friday Night: Clear. Lows in the upper 40s. Saturday: Sunny. Highs in the upper 70s. Saturday Night: Mostly clear. Lows in the lower 50s. Sunday: Mostly sunny. Highs in the lower 80s. | |
| Zone Forecast: Barnwell County | |
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