Sixpenny Island Weather Forecast

    • 66
    • 80

    Increasing Clouds

    • 71
    • 84

    Slight Chance Thunderstorms

    • 69
    • 88

    Mostly Sunny

    • 72
    • 92

    Mostly Sunny

    • 64
    • 84

    Partly Sunny

    • 63
    • 75

    Slight Chance Thunderstorms

Today 21 Jun Southern New London

Sunny. Highs in the lower 80s. Southwest Winds 5 to 10 Mph.

Tonight 21 Jun Southern New London

Partly cloudy in the Evening, then becoming mostly cloudy. Lows in the mid 60s. Southwest Winds 5 to 10 Mph.

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Sixpenny Island Temperature Statistics

June Temperature

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

  • Lowest 3 June, 2025

    47.6 °F

  • Average June

    64.7 °F

  • Highest 5 June, 2025

    83.6 °F

Climate (2020–Present)

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

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  • Average Low 2020–2025

    45.7 °F

  • Average 2020–2025

    53.6 °F

  • Average High 2020–2025

    61.1 °F
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