Mark Twain State Park Weather Forecast

    • 47
    • 76

    Rain Showers Likely

    • 45
    • 61

    Sunny

    • 47
    • 71

    Mostly Sunny

    • 37
    • 59

    Mostly Sunny

    • 46
    • 63

    Slight Chance Rain Showers

    • 42
    • 66

    Slight Chance Rain Showers

Today 18 Oct Monroe

Mostly cloudy. A slight chance of Showers and Thunderstorms in the Morning, then a chance of Showers and Thunderstorms in the afternoon. Highs in the mid 70s. Southwest Winds 5 to 10 Mph with Gusts up to 20 Mph. Chance of rain 50 percent.

Tonight 18 Oct Monroe

Mostly cloudy with a chance of Showers and Thunderstorms. Near steady temperature in the mid 60s. Southwest Winds 5 to 10 Mph with Gusts up to 20 Mph. Chance of rain 50 percent.

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Mark Twain State Park Temperature Statistics

October Temperature

Quincy Regional Airport-Baldwin Field (45.4 miles)

  • Lowest 9 October, 2025

    45 °F

  • Average October

    67.3 °F

  • Highest 3 October, 2025

    89.1 °F

Climate (2020–Present)

Quincy Regional Airport-Baldwin Field (45.4 miles)

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  • Average Low 2020–2025

    45.6 °F

  • Average 2020–2025

    55.2 °F

  • Average High 2020–2025

    64.9 °F
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