Serpent Mound State Memorial Weather Forecast

    • 40
    • 67

    Rain Showers

    • 32
    • 54

    Mostly Sunny

    • 36
    • 61

    Sunny

    • 39
    • 66

    Mostly Sunny

    • 41
    • 69

    Mostly Sunny

    • 41
    • 69

    Sunny

Today 16 Oct Adams

Partly cloudy early this Morning, then becoming mostly cloudy. Showers. Highs in the upper 60s. Temperatures falling into the upper 50s this afternoon. Southwest Winds 5 to 10 Mph, becoming northwest 10 to 15 Mph this late morning and afternoon. Chance of rain 90 percent.

Tonight 16 Oct Adams

Mostly cloudy with a slight chance of Showers in the Evening, then partly cloudy with a chance of Showers after midnight. Much cooler with Lows in the lower 40s. Northwest Winds 5 to 10 Mph, becoming north 10 to 15 Mph after midnight. Chance of rain 30 percent.

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Serpent Mound State Memorial Temperature Statistics

October Temperature

Wilmington, Airborne Airpark Airport (32.9 miles)

  • Lowest 6 October, 2026

    40.6 °F

  • Average October

    62.8 °F

  • Highest 1 October, 2026

    86.6 °F

Climate (2021–2026)

Wilmington, Airborne Airpark Airport (32.9 miles)

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  • Average Low 2021–2026

    45.6 °F

  • Average 2021–2026

    55.3 °F

  • Average High 2021–2026

    65 °F
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