Wed Mar 12 06:09:21 PM EDT 2025 Barnwell- Including the cities of Barnwell, Williston, and Blackville 608 PM EDT Wed Mar 12 2025 .TONIGHT...Clear. Lows in the upper 40s. Southwest winds 5 to 10 mph. .THURSDAY...Mostly sunny. Highs in the mid 70s. Southwest winds around 5 mph. .THURSDAY NIGHT...Partly cloudy. Lows in the lower 50s. Southwest winds around 5 mph in the evening, becoming light and variable. .FRIDAY...Mostly sunny. Highs in the upper 70s. Light and variable winds, becoming south around 5 mph in the afternoon. .FRIDAY NIGHT...Partly cloudy. Lows in the mid 50s. Southeast winds around 5 mph. .SATURDAY...Partly sunny. Highs in the lower 80s. .SATURDAY NIGHT...Mostly cloudy. A chance of showers after midnight. Lows in the lower 60s. Chance of rain 50 percent. .SUNDAY...Showers. Highs in the upper 70s. Chance of rain 80 percent. .SUNDAY NIGHT...Partly cloudy in the evening, then clearing. A 50 percent chance of showers. Cooler with lows in the upper 40s. .MONDAY...Sunny. Highs in the upper 60s. .MONDAY NIGHT...Clear. Lows around 40. .TUESDAY...Sunny. Highs in the lower 70s. .TUESDAY NIGHT...Mostly clear. Lows in the lower 40s. .WEDNESDAY...Mostly sunny. Highs around 80.