Plum Gut Harbor Weather Forecast

    • 44
    • 59

    Sunny

    • 55
    • 60

    Mostly Sunny

    • 57
    • 64

    Chance Rain

    • 57
    • 63

    Rain Likely

    • 58
    • 63

    Rain Likely

    • 57
    • 63

    Chance Rain

Today 9 Oct Northeast Suffolk

Sunny. Highs around 60. North Winds 15 to 20 Mph.

Tonight 9 Oct Northeast Suffolk

Clear. Lows in the lower 40s. Northeast Winds 5 to 10 Mph. Gusts up to 20 Mph in the evening.

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Plum Gut Harbor Temperature Statistics

October Temperature

Groton / New London, Groton / New London Airport (13 miles)

  • Lowest 3 October, 2025

    39 °F

  • Average October

    57.1 °F

  • Highest 4 October, 2025

    71.1 °F

Climate (2020–Present)

Groton / New London, Groton / New London Airport (13 miles)

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  • Average Low 2020–2025

    45.7 °F

  • Average 2020–2025

    53.6 °F

  • Average High 2020–2025

    61.1 °F
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