Plymouth Weather Forecast

    • 37
    • 61

    Becoming Sunny

    • 37
    • 57

    Partly Sunny

    • 43
    • 60

    Chance Rain

    • 45
    • 66

    Rain Likely

    • 41
    • 58

    Rain

    • 40
    • 58

    Partly Sunny

Today 7 May Southern Penobscot

Mostly sunny in the Morning, then partly sunny with isolated Showers in the afternoon. Highs in the lower 60s. Northwest Winds 5 to 10 Mph. Chance of rain 20 percent.

Tonight 7 May Southern Penobscot

Partly cloudy in the Evening, then becoming mostly clear. Lows in the upper 30s. West Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Plymouth Temperature Statistics

May Temperature

Bangor, Bangor International Airport (19.3 miles)

  • Lowest 2 May, 2026

    30.7 °F

  • Average May

    45.1 °F

  • Highest 4 May, 2026

    61 °F

Climate (2021–Present)

Bangor, Bangor International Airport (19.3 miles)

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  • Average Low 2021–2026

    37.3 °F

  • Average 2021–2026

    47.1 °F

  • Average High 2021–2026

    56.7 °F
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