Lake Hartwell State Park Weather Forecast

    • 52
    • 79

    Increasing Clouds

    • 56
    • 75

    Mostly Cloudy

    • 60
    • 77

    Chance Rain Showers

    • 55
    • 78

    Chance Rain Showers

    • 50
    • 72

    Partly Sunny

    • 51
    • 71

    Mostly Cloudy

Today 19 Nov Greater Oconee

Mostly sunny. Highs in the upper 70s. West Winds 5 to 10 Mph.

Tonight 19 Nov Greater Oconee

Partly cloudy. Near steady Temperatures in the upper 40s. Southwest Winds around 5 Mph.

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Lake Hartwell State Park Temperature Statistics

November Temperature

Clemson, Clemson-Oconee County Airport (14.9 miles)

  • Lowest 11 November, 2025

    27 °F

  • Average November

    54.1 °F

  • Highest 16 November, 2025

    78.1 °F

Climate (2020–Present)

Clemson, Clemson-Oconee County Airport (14.9 miles)

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  • Average Low 2020–2025

    53.4 °F

  • Average 2020–2025

    62.5 °F

  • Average High 2020–2025

    72.1 °F
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