Plymouth Weather Forecast

    • 33
    • 59

    Mostly Sunny

    • 38
    • 62

    Mostly Sunny

    • 46
    • 66

    Slight Chance Rain

    • 46
    • 62

    Chance Rain

    • 45
    • 63

    Rain Likely

    • 40
    • 61

    Rain Likely

Today 17 Oct Southern Penobscot

Mostly sunny. Highs in the upper 50s. North Winds 10 to 15 Mph with Gusts up to 25 Mph.

Tonight 17 Oct Southern Penobscot

Clear. Patchy fog after midnight. Lows in the mid 30s. North Winds 10 to 15 Mph.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Plymouth Temperature Statistics

October Temperature

Bangor, Bangor International Airport (19.3 miles)

  • Lowest 10 October, 2025

    28.9 °F

  • Average October

    53.4 °F

  • Highest 6 October, 2025

    84 °F

Climate (2020–Present)

Bangor, Bangor International Airport (19.3 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2020–2025

    38 °F

  • Average 2020–2025

    47.6 °F

  • Average High 2020–2025

    57.1 °F
Get WillyWeather+ to remove ads