Plum Gut Harbor Weather Forecast

    • 35
    • 45

    Rain Likely

    • 24
    • 38

    Snow Likely

    • 15
    • 26

    Partly Sunny

    • 14
    • 20

    Mostly Cloudy

    • 16
    • 21

    Partly Sunny

    • 26
    • 30

    Partly Sunny

Today 18 Jan Northeast Suffolk

Mostly cloudy. Rain in the afternoon. Highs in the mid 40s. South Winds 10 to 15 Mph. Chance of rain 80 percent.

Tonight 18 Jan Northeast Suffolk

Mostly cloudy. A chance of rain in the evening. Lows in the lower 30s. Southwest Winds 10 to 15 Mph, becoming west 5 to 10 Mph after midnight. Chance of rain 40 percent.

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Plum Gut Harbor Temperature Statistics

January Temperature

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

  • Lowest 7 January, 2025

    16.8 °F

  • Average January

    31.2 °F

  • Highest 1 January, 2025

    51.7 °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

    53.5 °F

  • Average High 2020–2025

    61 °F
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