Barnwell Regional Airport Weather Forecast
- 62
- 83
Increasing Clouds
- 62
- 85
Chance Thunderstorms
- 65
- 88
Rain Likely
- 40
- 72
Rain Likely
- 48
- 68
Mostly Sunny
- 52
- 78
Mostly Sunny
Today 9 Mar Barnwell
Sunny. Near steady temperature in the lower 80s. West Winds around 5 Mph.
Tonight 9 Mar Barnwell
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.
Barnwell Regional Airport Temperature Statistics
March Temperature
Barnwell Regional Airport (0 miles)
Lowest 1 March, 2026
41 °FAverage March
62.9 °FHighest 6 March, 2026
82.4 °F
Climate (2021–Present)
Barnwell Regional Airport (0 miles)
Average Low 2021–2026
54.4 °FAverage 2021–2026
64.9 °FAverage High 2021–2026
76.6 °F