Plymouth Weather Forecast

    • 59
    • 80

    Mostly Sunny

    • 58
    • 81

    Rain Showers

    • 55
    • 70

    Rain Showers Likely

    • 55
    • 69

    Mostly Sunny

    • 55
    • 76

    Partly Sunny

    • 59
    • 79

    Chance Rain Showers

    • 61
    • 80

    Chance Rain Showers

Today 21 Aug Ashtabula Inland

Sunny. Near steady temperature in the upper 70s. Southeast Winds around 5 Mph.

Tonight 21 Aug Ashtabula Inland

Mostly clear. Lows in the upper 50s. Southeast Winds around 5 Mph.

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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

    71.6 °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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