Plum Gut Harbor Weather Forecast

    • 70
    • 77

    Mostly Cloudy

    • 71
    • 75

    Chance Rain Showers

    • 72
    • 81

    Mostly Sunny

    • 74
    • 84

    Mostly Sunny

    • 71
    • 83

    Chance Rain Showers

    • 67
    • 77

    Chance Rain Showers

    • 63
    • 75

    Mostly Sunny

Today 26 Jul Northeast Suffolk

Mostly sunny. Hazy. Near steady temperature in the lower 80s. Southeast Winds 5 to 10 Mph.

Tonight 26 Jul Northeast Suffolk

Mostly cloudy. Lows in the upper 60s. South Winds 5 to 10 Mph.

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Plum Gut Harbor Temperature Statistics

July Temperature

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

  • Lowest 22 July, 2025

    61 °F

  • Average July

    74.7 °F

  • Highest 8 July, 2025

    86 °F

Climate (2020–Present)

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

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  • Average Low 2020–2025

    45.8 °F

  • Average 2020–2025

    53.6 °F

  • Average High 2020–2025

    61.2 °F
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