Plum Gut Harbor Weather Forecast

    • 51
    • 58

    Slight Chance Rain Showers

    • 52
    • 60

    Partly Sunny

    • 52
    • 62

    Partly Sunny

    • 54
    • 64

    Partly Sunny

    • 55
    • 66

    Mostly Cloudy

    • 56
    • 64

    Chance Rain Showers

Today 23 May Northeast Suffolk

Mostly cloudy this Morning, then becoming partly sunny. A 20 percent chance of Showers. Highs in the lower 60s. Northwest Winds 5 to 10 Mph, becoming west with Gusts up to 20 Mph this afternoon.

Tonight 23 May Northeast Suffolk

Mostly cloudy in the Evening, then clearing. A 30 percent chance of Showers. Lows in the lower 50s. West Winds 10 to 15 Mph with Gusts up to 25 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Plum Gut Harbor Temperature Statistics

May Temperature

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

  • Lowest 12 May, 2025

    40.6 °F

  • Average May

    59.2 °F

  • Highest 11 May, 2025

    75.7 °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

    53.6 °F

  • Average High 2020–2025

    61.2 °F
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