Plymouth Weather Forecast

    • 67
    • 84

    Thunderstorms

    • 64
    • 80

    Chance Thunderstorms

    • 64
    • 83

    Mostly Sunny

    • 65
    • 84

    Partly Sunny

    • 63
    • 83

    Slight Chance Rain Showers

    • 64
    • 83

    Slight Chance Thunderstorms

Today 18 Aug Carroll

Partly cloudy. Highs in the mid 80s. South Winds around 5 Mph.

Tonight 18 Aug Carroll

Partly cloudy with a chance of Showers and Thunderstorms in the Evening, then Showers and Thunderstorms after midnight. Lows in the upper 60s. East Winds around 5 Mph. Chance of rain near 100 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Plymouth Temperature Statistics

August Temperature

Chillicothe, Chillicothe Agri-Science Center (16.2 miles)

  • Lowest 1 August, 2026

    64 °F

  • Average August

    79.1 °F

  • Highest 4 August, 2026

    92.6 °F

Climate (2021–2026)

Chillicothe, Chillicothe Agri-Science Center (16.2 miles)

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  • Average Low 2021–2026

    45.5 °F

  • Average 2021–2026

    56.3 °F

  • Average High 2021–2026

    67.2 °F
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