Plum Gut Harbor Weather Forecast

    • 36
    • 38

    Rain

    • 36
    • 40

    Slight Chance Rain

    • 44
    • 46

    Cloudy

    • 40
    • 49

    Partly Sunny

    • 43
    • 49

    Partly Sunny

    • 44
    • 51

    Mostly Cloudy

Today 5 Mar Northeast Suffolk

Rain. Patchy fog. Highs in the upper 30s. Northeast Winds around 5 Mph, increasing to 10 to 15 Mph this afternoon. Chance of rain near 100 percent.

Tonight 5 Mar Northeast Suffolk

Rain. Patchy fog. Lows in the mid 30s. Northeast Winds 15 to 20 Mph with Gusts up to 30 Mph. Chance of rain near 100 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Plum Gut Harbor Temperature Statistics

March Temperature

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

  • Lowest 2 March, 2026

    16 °F

  • Average March

    27.3 °F

  • Highest 1 March, 2026

    37.9 °F

Climate (2021–Present)

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

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  • Average Low 2021–2026

    45.3 °F

  • Average 2021–2026

    53.2 °F

  • Average High 2021–2026

    60.8 °F
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