Lake Hartwell State Park Weather Forecast
- 63
- 81
Increasing Clouds
- 57
- 83
Rain
- 38
- 63
Rain Likely
- 43
- 64
Mostly Sunny
- 50
- 75
Mostly Sunny
- 53
- 74
Rain Likely
- 32
- 63
Slight Chance Rain
Today 10 Mar Greater Oconee
Sunny. Near steady Temperatures around 80. West Winds 5 to 10 Mph.
Tonight 10 Mar Greater Oconee
Mostly clear this Evening, then becoming mostly cloudy. Lows in the lower 60s. West Winds 5 to 10 Mph.
Lake Hartwell State Park Temperature Statistics
March Temperature
Clemson, Clemson-Oconee County Airport (14.9 miles)
Lowest 1 March, 2026
43 °FAverage March
60.8 °FHighest 6 March, 2026
80.1 °F
Climate (2021–Present)
Clemson, Clemson-Oconee County Airport (14.9 miles)
Average Low 2021–2026
53.6 °FAverage 2021–2026
62.7 °FAverage High 2021–2026
72.3 °F