Sixpenny Island Weather Forecast

    • 71
    • 77

    Mostly Cloudy

    • 61
    • 83

    Mostly Cloudy

    • 54
    • 74

    Mostly Sunny

    • 63
    • 71

    Rain Showers Likely

    • 64
    • 74

    Chance Rain Showers

    • 60
    • 77

    Partly Sunny

    • 65
    • 74

    Partly Sunny

Today 9 Sep Southern New London

Partly sunny. Near steady temperature in the mid 70s. South Winds 10 to 15 Mph with Gusts up to 25 Mph.

Tonight 9 Sep Southern New London

Mostly cloudy. Lows in the lower 70s. Southwest Winds 15 to 20 Mph with Gusts up to 30 Mph.

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Sixpenny Island Temperature Statistics

September Temperature

Groton / New London, Groton / New London Airport (3.1 miles)

  • Lowest 7 September, 2026

    51.1 °F

  • Average September

    68.2 °F

  • Highest 4 September, 2026

    82 °F

Climate (2021–2026)

Groton / New London, Groton / New London Airport (3.1 miles)

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  • Average Low 2021–2026

    45.2 °F

  • Average 2021–2026

    53.2 °F

  • Average High 2021–2026

    60.8 °F
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