Island Mound State Historic Site Weather Forecast

    • 73
    • 96

    Mostly Sunny

    • 75
    • 99

    Hot

    • 75
    • 99

    Hot

    • 75
    • 98

    Hot

    • 75
    • 98

    Hot

    • 74
    • 97

    Slight Chance Thunderstorms

Today 29 Aug Bates

Mostly sunny. Hot with Highs in the mid 90s. South Winds 10 to 15 Mph.

Tonight 29 Aug Bates

Mostly clear. Lows in the mid 70s. South Winds 5 to 10 Mph with Gusts up to 25 Mph.

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Island Mound State Historic Site Temperature Statistics

August Temperature

Clinton, MO (41.6 miles)

  • Lowest 27 August, 2026

    60.8 °F

  • Average August

    78.5 °F

  • Highest 13 August, 2026

    98.6 °F

Climate (2021–2026)

Clinton, MO (41.6 miles)

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  • Average Low 2021–2026

    46.9 °F

  • Average 2021–2026

    57.8 °F

  • Average High 2021–2026

    68.7 °F
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