Plymouth Weather Forecast

    • 61
    • 78

    Increasing Clouds

    • 55
    • 74

    Partly Sunny

    • 59
    • 79

    Partly Sunny

    • 67
    • 83

    Chance Rain Showers

    • 69
    • 85

    Slight Chance Thunderstorms

    • 69
    • 85

    Chance Rain Showers

Today 27 Aug Ashtabula Inland

Partly cloudy with a slight chance of Showers and Thunderstorms. Highs in the upper 70s. West Winds 5 to 10 Mph. Chance of rain 20 percent.

Tonight 27 Aug Ashtabula Inland

Mostly clear in the Evening, then becoming partly cloudy. Lows around 60. Northwest Winds around 5 Mph in the Evening, becoming light and variable.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Plymouth Temperature Statistics

August Temperature

Ashtabula - Northeast Ohio Regional Airport (3.7 miles)

  • Lowest 4 August, 2026

    50 °F

  • Average August

    69.9 °F

  • Highest 8 August, 2026

    84.9 °F

Climate (2021–2026)

Ashtabula - Northeast Ohio Regional Airport (3.7 miles)

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  • Average Low 2021–2026

    42.6 °F

  • Average 2021–2026

    51.6 °F

  • Average High 2021–2026

    60.6 °F
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