Plymouth Weather Forecast

    • 56
    • 67

    Rain Showers

    • 52
    • 73

    Mostly Sunny

    • 59
    • 76

    Chance Thunderstorms

    • 60
    • 79

    Rain Showers Likely

    • 60
    • 77

    Partly Sunny

    • 62
    • 78

    Partly Sunny

Today 22 Jun Ashtabula Inland

Cloudy with a 30 percent chance of Showers. Near steady temperature in the mid 60s. North Winds 10 to 15 Mph.

Tonight 22 Jun Ashtabula Inland

Cloudy. Lows in the mid 50s. North Winds 10 to 15 Mph, Diminishing to around 5 Mph after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Plymouth Temperature Statistics

June Temperature

Ashtabula - Northeast Ohio Regional Airport (3.7 miles)

  • Lowest 1 June, 2026

    42.1 °F

  • Average June

    67.4 °F

  • Highest 10 June, 2026

    88 °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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