Lake Hartwell State Park Weather Forecast

    • 49
    • 73

    Thunderstorms Likely

    • 54
    • 75

    Mostly Sunny

    • 63
    • 75

    Chance Rain Showers

    • 64
    • 84

    Slight Chance Rain Showers

    • 65
    • 88

    Mostly Cloudy

    • 63
    • 88

    Chance Rain Showers

Today 31 Mar Greater Oconee

Patchy fog in the morning. Thunderstorms likely. Showers likely. Highs in the mid 70s. Southwest Winds 5 to 10 Mph. Chance of rain 70 percent.

Tonight 31 Mar Greater Oconee

Cloudy with a chance of Showers with a slight chance of Thunderstorms. Patchy fog. Near steady Temperatures in the lower 60s. South Winds around 5 Mph. Chance of rain 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lake Hartwell State Park Temperature Statistics

March Temperature

Clemson, Clemson-Oconee County Airport (14.9 miles)

  • Lowest 3 March, 2025

    32.6 °F

  • Average March

    56.1 °F

  • Highest 19 March, 2025

    78.7 °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

    62.3 °F

  • Average High 2020–2025

    71.9 °F
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