Knucklehead Island Weather Forecast

    • 75
    • 90

    Chance Thunderstorms

    • 75
    • 90

    Slight Chance Thunderstorms

    • 76
    • 91

    Mostly Sunny

    • 76
    • 91

    Partly Sunny

    • 77
    • 92

    Partly Sunny

    • 76
    • 90

    Slight Chance Thunderstorms

Today 9 Aug Anderson

Mostly sunny. A chance of Showers and Thunderstorms this afternoon. Highs in the lower 90s. Southwest Winds around 5 Mph. Chance of rain 30 percent. Heat index Values up to 101.

Tonight 9 Aug Anderson

Mostly cloudy with a chance of Showers and Thunderstorms in the Evening, then partly cloudy after midnight. Lows in the lower 70s. West Winds around 5 Mph in the Evening, becoming light and variable. Chance of rain 30 percent.

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Knucklehead Island Temperature Statistics

August Temperature

Anderson, Anderson County Airport (6.8 miles)

  • Lowest 1 August, 2026

    67.6 °F

  • Average August

    78.9 °F

  • Highest 3 August, 2026

    90.6 °F

Climate (2021–2026)

Anderson, Anderson County Airport (6.8 miles)

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  • Average Low 2021–2026

    53.2 °F

  • Average 2021–2026

    63.6 °F

  • Average High 2021–2026

    74.4 °F
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