Island Mound State Historic Site Weather Forecast

    • 68
    • 91

    Rain Showers

    • 64
    • 77

    Rain Showers

    • 47
    • 79

    Rain Showers

    • 35
    • 59

    Partly Sunny

    • 40
    • 62

    Mostly Sunny

    • 48
    • 71

    Partly Sunny

    • 52
    • 74

    Partly Sunny

Today 13 Oct Bates

Mostly sunny. Highs around 80.

Tonight 13 Oct Bates

Partly cloudy this Evening, then becoming cloudy. A chance of Thunderstorms. A chance of Showers this Evening, then Showers after midnight. Some Thunderstorms may produce heavy rainfall. Lows in the upper 60s. Southwest Winds 5 to 10 Mph, becoming northwest after midnight. Chance of rain 90 percent.

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Island Mound State Historic Site Temperature Statistics

October Temperature

Clinton, MO (41.6 miles)

  • Lowest 5 October, 2026

    44.6 °F

  • Average October

    68.1 °F

  • Highest 9 October, 2026

    91.4 °F

Climate (2021–2026)

Clinton, MO (41.6 miles)

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  • Average Low 2021–2026

    47 °F

  • Average 2021–2026

    57.9 °F

  • Average High 2021–2026

    68.9 °F
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