Blackville Weather Forecast
- 55
- 79
Mostly Sunny
- 49
- 79
Chance Rain Showers
- 47
- 73
Sunny
- 50
- 79
Mostly Sunny
- 44
- 71
Mostly Sunny
- 49
- 72
Partly Sunny
Today 18 Oct Barnwell
Sunny. Highs around 80. Southwest Winds around 5 Mph.
Tonight 18 Oct Barnwell
Mostly clear. Lows in the mid 50s. South Winds around 5 Mph.
Blackville Temperature Statistics
October Temperature
Barnwell Regional Airport (9.3 miles)
Lowest 14 October, 2025
55.4 °FAverage October
68.6 °FHighest 8 October, 2025
87.8 °F
Climate (2020–Present)
Barnwell Regional Airport (9.3 miles)
Average Low 2020–2025
54.6 °FAverage 2020–2025
65 °FAverage High 2020–2025
76.6 °F