Plymouth Weather Forecast

    • 68
    • 91

    Rain Showers

    • 66
    • 85

    Chance Thunderstorms

    • 62
    • 80

    Rain Showers Likely

    • 61
    • 82

    Slight Chance Thunderstorms

    • 59
    • 78

    Chance Rain Showers

    • 58
    • 75

    Chance Rain Showers

Today 6 Jul Southern Penobscot

Mostly sunny. Scattered Showers with isolated Thunderstorms in the afternoon. Hot with Highs in the upper 80s. Southwest Winds 5 to 10 Mph with Gusts up to 25 Mph. Chance of rain 40 percent. Heat index Values in the mid 90s in the afternoon.

Tonight 6 Jul Southern Penobscot

Mostly cloudy in the Evening, then becoming partly cloudy. Isolated Thunderstorms. Scattered Showers, mainly in the evening. Humid with Lows in the upper 60s. Southwest Winds 5 to 10 Mph with Gusts up to 20 Mph, becoming west after midnight. Chance of rain 50 percent.

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Plymouth Temperature Statistics

July Temperature

Bangor, Bangor International Airport (19.3 miles)

  • Lowest 1 July, 2025

    60.1 °F

  • Average July

    71.3 °F

  • Highest 2 July, 2025

    84.9 °F

Climate (2020–Present)

Bangor, Bangor International Airport (19.3 miles)

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  • Average Low 2020–2025

    38.1 °F

  • Average 2020–2025

    47.6 °F

  • Average High 2020–2025

    57 °F
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