Plymouth Weather Forecast

    • 28
    • 38

    Mostly Cloudy

    • 33
    • 44

    Rain

    • 31
    • 39

    Mostly Cloudy

    • 34
    • 48

    Rain Likely

    • 32
    • 45

    Rain Likely

    • 24
    • 40

    Chance Rain/Snow

Today 5 Jan Ashtabula Inland

Mostly cloudy in the Morning, then becoming partly sunny. Highs in the upper 30s. South Winds 5 to 10 Mph.

Tonight 5 Jan Ashtabula Inland

Mostly cloudy with a 40 percent chance of snow. Lows around 19. Temperature rising into the mid 20s. Southeast Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Plymouth Temperature Statistics

January Temperature

Ashtabula - Northeast Ohio Regional Airport (3.7 miles)

  • Lowest 1 January, 2026

    15.1 °F

  • Average January

    17.9 °F

  • Highest 2 January, 2026

    23 °F

Climate (2021–Present)

Ashtabula - Northeast Ohio Regional Airport (3.7 miles)

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  • Average Low 2021–2026

    42.8 °F

  • Average 2021–2026

    51.6 °F

  • Average High 2021–2026

    60.5 °F
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