Plymouth Weather Forecast

    • 50
    • 73

    Increasing Clouds

    • 48
    • 65

    Sunny

    • 53
    • 73

    Mostly Sunny

    • 53
    • 73

    Mostly Sunny

    • 54
    • 74

    Mostly Sunny

    • 56
    • 74

    Mostly Sunny

Today 29 May Ashtabula Inland

Patchy fog this morning. Mostly sunny. Highs in the mid 70s. West Winds 5 to 10 Mph.

Tonight 29 May Ashtabula Inland

Mostly clear. Lows around 50. West Winds 5 to 10 Mph, becoming north 10 to 15 Mph with Gusts up to 25 Mph after midnight.

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Plymouth Temperature Statistics

May Temperature

Ashtabula - Northeast Ohio Regional Airport (3.7 miles)

  • Lowest 12 May, 2026

    32 °F

  • Average May

    55.6 °F

  • Highest 18 May, 2026

    88 °F

Climate (2021–Present)

Ashtabula - Northeast Ohio Regional Airport (3.7 miles)

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  • Average Low 2021–2026

    42.7 °F

  • Average 2021–2026

    51.6 °F

  • Average High 2021–2026

    60.6 °F
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