Fishers Island - Silver Eel Pond Weather Forecast

    • 60
    • 71

    Increasing Clouds

    • 62
    • 70

    Mostly Cloudy

    • 65
    • 69

    Chance Rain Showers

    • 65
    • 72

    Mostly Sunny

    • 57
    • 77

    Mostly Sunny

    • 57
    • 65

    Mostly Sunny

    • 61
    • 66

    Mostly Sunny

Today 15 Sep Northeast Suffolk

Mostly sunny. Near steady temperature in the mid 70s. East Winds around 10 Mph.

Tonight 15 Sep Northeast Suffolk

Partly cloudy. Lows around 60. East Winds 5 to 10 Mph.

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Fishers Island - Silver Eel Pond Temperature Statistics

September Temperature

Groton / New London, Groton / New London Airport (5 miles)

  • Lowest 9 September, 2025

    48 °F

  • Average September

    61.7 °F

  • Highest 6 September, 2025

    75.9 °F

Climate (2020–Present)

Groton / New London, Groton / New London Airport (5 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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