| NWS Forecast for: Barnwell County Issued by: National Weather Service Columbia, SC Last Update: 409 PM EDT Wed Mar 11 2026 |  |
Tonight: Partly cloudy. Lows in the mid 60s. Southwest winds 5 to 10 mph with gusts up to 20 mph. Thursday: A slight chance of thunderstorms in the morning. Showers, cooler with highs around 70. Temperature falling into the upper 50s in the afternoon. Southwest winds 10 to 15 mph, becoming northwest 15 to 20 mph in the afternoon. Chance of rain 90 percent. Thursday Night: Clear. Much cooler with lows in the mid 30s. Northeast winds 10 to 15 mph with gusts up to 25 mph, diminishing to around 5 mph after midnight. Friday: Sunny. Highs in the mid 60s. East winds around 5 mph, becoming south in the afternoon. Friday Night: Mostly clear. Lows in the mid 40s. Southwest winds around 5 mph in the evening, becoming light and variable. Saturday: Sunny. Highs in the upper 70s. Saturday Night: Clear. Lows in the lower 50s. Sunday: Partly sunny. A chance of rain and thunderstorms in the afternoon. Highs in the upper 70s. Chance of rain 50 percent. Sunday Night: Mostly cloudy with a chance of rain and thunderstorms. Lows in the lower 60s. Chance of rain 50 percent. Monday: Mostly cloudy in the morning, then becoming partly sunny. A chance of rain. Highs in the lower 70s. Chance of rain 50 percent. Monday Night: Partly cloudy. A chance of rain in the evening. Much cooler with lows in the upper 30s. Chance of rain 40 percent. Tuesday: Mostly sunny. Cooler with highs in the mid 50s. Tuesday Night: Partly cloudy in the evening, then clearing. Lows in the mid 30s. Wednesday: Mostly sunny. Highs in the upper 50s. | |
| Zone Forecast: Barnwell County | |
Visit your local NWS office at: https://www.weather.gov/cae/ |