Knucklehead Island Weather Forecast

    • 74
    • 91

    Slight Chance Thunderstorms

    • 73
    • 85

    Chance Thunderstorms

    • 74
    • 86

    Slight Chance Thunderstorms

    • 72
    • 85

    Chance Thunderstorms

    • 71
    • 80

    Chance Thunderstorms

    • 71
    • 80

    Chance Thunderstorms

Today 18 Aug Anderson

Sunny with Highs in the lower 90s. Northeast Winds around 5 Mph. Heat index Values up to 101.

Tonight 18 Aug Anderson

Partly cloudy. Lows in the lower 70s. Northeast Winds around 5 Mph.

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Knucklehead Island Temperature Statistics

August Temperature

Anderson, Anderson County Airport (6.8 miles)

  • Lowest 6 August, 2025

    63.6 °F

  • Average August

    76.6 °F

  • Highest 1 August, 2025

    95.6 °F

Climate (2020–Present)

Anderson, Anderson County Airport (6.8 miles)

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  • Average Low 2020–2025

    53.2 °F

  • Average 2020–2025

    63.3 °F

  • Average High 2020–2025

    73.9 °F
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