Hartsville Weather Forecast
- 68
- 88
Mostly Sunny
- 71
- 91
Chance Thunderstorms
- 67
- 86
Chance Thunderstorms
- 64
- 85
Mostly Sunny
- 65
- 86
Mostly Sunny
- 61
- 86
Mostly Sunny
Today 18 Aug Bartholomew
Mostly sunny. Highs in the upper 80s. East Winds around 5 Mph.
Tonight 18 Aug Bartholomew
Mostly clear. Lows in the upper 60s. Light and variable Winds.
Hartsville Temperature Statistics
August Temperature
Columbus / Bakalar (10.6 miles)
Lowest 2 August, 2025
55.4 °FAverage August
76.6 °FHighest 10 August, 2025
89.6 °F
Climate (2020–Present)
Columbus / Bakalar (10.6 miles)
Average Low 2020–2025
45 °FAverage 2020–2025
56.1 °FAverage High 2020–2025
63.7 °F