Fishers Island Weather Forecast

    • 48
    • 62

    Chance Rain Showers

    • 53
    • 59

    Rain

    • 38
    • 56

    Chance Rain

    • 42
    • 45

    Slight Chance Rain

    • 46
    • 52

    Breezy

    • 41
    • 51

    Mostly Sunny

Today 8 Nov Northeast Suffolk

Mostly cloudy with a chance of Showers in the Morning, then sunny in the afternoon. Highs in the lower 60s. West Winds 5 to 10 Mph with Gusts up to 20 Mph. Chance of rain 40 percent.

Tonight 8 Nov Northeast Suffolk

Partly cloudy. Lows in the upper 40s. North Winds 5 to 10 Mph, becoming northeast after midnight.

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Fishers Island Temperature Statistics

November Temperature

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

  • Lowest 2 November, 2025

    30.9 °F

  • Average November

    46.8 °F

  • Highest 5 November, 2025

    61 °F

Climate (2020–Present)

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

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  • Average Low 2020–2025

    45.6 °F

  • Average 2020–2025

    53.5 °F

  • Average High 2020–2025

    61.1 °F
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