Williston Weather Forecast
- 55
- 79
Mostly Sunny
- 56
- 81
Partly Sunny
- 52
- 75
Mostly Cloudy
- 53
- 73
Mostly Cloudy
- 54
- 76
Partly Sunny
- 57
- 79
Partly Sunny
- 60
- 80
Chance Rain Showers
Today 29 Oct Barnwell
Partly sunny with a chance of Showers in the Morning, then mostly cloudy with Showers likely in the afternoon. Highs around 80. Chance of rain 60 percent.
Tonight 29 Oct Barnwell
Mostly clear. Lows in the mid 50s. Northeast Winds around 5 Mph.
Williston Temperature Statistics
October Temperature
Barnwell Regional Airport (9.9 miles)
Lowest 20 October, 2026
41 °FAverage October
66.4 °FHighest 1 October, 2026
89.6 °F
Climate (2021–2026)
Barnwell Regional Airport (9.9 miles)
Average Low 2021–2026
54.5 °FAverage 2021–2026
65.1 °FAverage High 2021–2026
76.9 °F