Lake Hartwell State Park Weather Forecast

    • 58
    • 81

    Rain Showers Likely

    • 57
    • 85

    Slight Chance Rain Showers

    • 55
    • 78

    Chance Rain Showers

    • 60
    • 72

    Chance Rain Showers

    • 56
    • 78

    Chance Thunderstorms

    • 50
    • 77

    Chance Rain Showers

    • 51
    • 72

    Rain Showers Likely

Today 25 Apr Greater Oconee

Showers likely with a chance of Thunderstorms. Near steady Temperatures in the mid 70s. Southwest Winds around 5 Mph. Chance of rain 70 percent.

Tonight 25 Apr Greater Oconee

Mostly cloudy with a chance of Showers and Thunderstorms in the Evening, then partly cloudy after midnight. Lows in the upper 50s. Northwest Winds around 5 Mph in the Evening, becoming light and variable. Chance of rain 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lake Hartwell State Park Temperature Statistics

April Temperature

Clemson, Clemson-Oconee County Airport (14.9 miles)

  • Lowest 9 April, 2026

    44.1 °F

  • Average April

    66.4 °F

  • Highest 15 April, 2026

    86 °F

Climate (2021–Present)

Clemson, Clemson-Oconee County Airport (14.9 miles)

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  • Average Low 2021–2026

    53.6 °F

  • Average 2021–2026

    62.8 °F

  • Average High 2021–2026

    72.4 °F
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