Enders Island Weather Forecast

    • 57
    • 69

    Mostly Cloudy

    • 60
    • 69

    Partly Sunny

    • 64
    • 71

    Partly Sunny

    • 61
    • 75

    Partly Sunny

    • 52
    • 68

    Chance Rain Showers

    • 54
    • 64

    Rain Showers Likely

    • 46
    • 64

    Partly Sunny

Today 29 Sep Southern New London

Sunny. Highs in the upper 50s.

Tonight 29 Sep Southern New London

Mostly cloudy this Evening, then becoming partly cloudy. Patchy fog after midnight. Lows in the mid 50s. Northwest Winds around 5 Mph this Evening, becoming light and variable.

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Enders Island Temperature Statistics

September Temperature

Groton / New London, Groton / New London Airport (4.3 miles)

  • Lowest 24 September, 2026

    46.9 °F

  • Average September

    65.1 °F

  • Highest 4 September, 2026

    82 °F

Climate (2021–2026)

Groton / New London, Groton / New London Airport (4.3 miles)

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  • Average Low 2021–2026

    45.2 °F

  • Average 2021–2026

    53.2 °F

  • Average High 2021–2026

    60.7 °F
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