Lake Hartwell State Park Weather Forecast

    • 62
    • 83

    Isolated Thunderstorms

    • 60
    • 79

    Mostly Sunny

    • 58
    • 79

    Partly Sunny

    • 60
    • 83

    Mostly Sunny

    • 62
    • 86

    Mostly Sunny

    • 62
    • 85

    Mostly Sunny

Today 7 Sep Greater Oconee

Mostly sunny with isolated Showers and Thunderstorms. Near steady Temperatures around 80. Northeast Winds around 5 Mph. Chance of rain 20 percent.

Tonight 7 Sep Greater Oconee

Mostly cloudy in the Evening, then becoming partly cloudy. Lows around 60. Northeast Winds 5 to 10 Mph.

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Lake Hartwell State Park Temperature Statistics

September Temperature

Clemson, Clemson-Oconee County Airport (14.9 miles)

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Climate (2020–Present)

Clemson, Clemson-Oconee County Airport (14.9 miles)

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  • Average Low 2020–2025

    53.6 °F

  • Average 2020–2025

    62.5 °F

  • Average High 2020–2025

    72.1 °F
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