Plymouth Weather Forecast

    • 46
    • 63

    Rain Likely

    • 44
    • 60

    Rain Showers Likely

    • 53
    • 71

    Mostly Sunny

    • 45
    • 72

    Mostly Sunny

    • 47
    • 68

    Partly Sunny

    • 56
    • 76

    Chance Rain Showers

Today 14 May Southern Penobscot

Patchy fog in the morning. Partly sunny in the Morning, then mostly cloudy with scattered Showers in the afternoon. Highs around 60. Southeast Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 50 percent.

Tonight 14 May Southern Penobscot

Mostly cloudy. Showers Likely, mainly in the evening. Lows in the mid 40s. Northeast Winds 5 to 10 Mph. Chance of rain 70 percent.

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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

    49.1 °F

  • Highest 5 May, 2026

    68.6 °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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