Round O Weather Forecast
- 74
- 92
Mostly Sunny
- 75
- 96
Slight Chance Thunderstorms
- 72
- 94
Rain Showers
- 71
- 86
Rain Showers Likely
- 71
- 87
Chance Thunderstorms
- 70
- 88
Chance Rain Showers
- 72
- 92
Mostly Sunny
Today 4 Sep Inland Colleton
Mostly sunny with a slight chance of Showers and Thunderstorms. Highs in the lower 90s. Heat index Values up to 107. Southeast Winds around 5 Mph. Chance of rain 20 percent.
Tonight 4 Sep Inland Colleton
Mostly clear. Lows in the mid 70s. South Winds around 5 Mph this Evening, becoming light and variable.
Round O Temperature Statistics
September Temperature
Walterboro Lowcountry Regional Airport (5.6 miles)
Lowest 1 September, 2026
69.8 °FAverage September
81.6 °FHighest 2 September, 2026
95 °F
Climate (2021–2026)
Walterboro Lowcountry Regional Airport (5.6 miles)
Average Low 2021–2026
54.3 °FAverage 2021–2026
64.6 °FAverage High 2021–2026
76.2 °F