Plymouth Weather Forecast

    • 36
    • 59

    Sunny

    • 39
    • 66

    Mostly Sunny

    • 44
    • 69

    Partly Sunny

    • 47
    • 73

    Partly Sunny

    • 52
    • 76

    Mostly Sunny

    • 54
    • 79

    Partly Sunny

Today 17 Oct Carroll

Areas of frost after midnight. Widespread frost this morning. Sunny. Highs around 60. North Winds around 5 Mph after Midnight, becoming light and Variable, then becoming south around 5 Mph this afternoon.

Tonight 17 Oct Carroll

Clear. Patchy frost after midnight. Lows in the mid 30s. Light and variable Winds, becoming south around 5 Mph after midnight.

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Plymouth Temperature Statistics

October Temperature

Chillicothe, Chillicothe Agri-Science Center (16.2 miles)

  • Lowest 3 October, 2026

    45.6 °F

  • Average October

    67.4 °F

  • Highest 12 October, 2026

    89.7 °F

Climate (2021–2026)

Chillicothe, Chillicothe Agri-Science Center (16.2 miles)

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  • Average Low 2021–2026

    45.6 °F

  • Average 2021–2026

    56.4 °F

  • Average High 2021–2026

    67.2 °F
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