Fishers Island Weather Forecast

    • 51
    • 58

    Rain

    • 55
    • 59

    Rain

    • 56
    • 66

    Chance Rain Showers

    • 57
    • 67

    Mostly Cloudy

    • 57
    • 70

    Partly Sunny

    • 54
    • 65

    Partly Sunny

Today 23 May Northeast Suffolk

Cloudy. A chance of rain this afternoon. Highs in the lower 60s. East Winds 10 to 15 Mph. Chance of rain 50 percent.

Tonight 23 May Northeast Suffolk

Rain, breezy with Lows in the lower 50s. East Winds 10 to 15 Mph, increasing to 15 to 25 Mph with Gusts up to 35 Mph after midnight. Chance of rain near 100 percent.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Fishers Island Temperature Statistics

May Temperature

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

  • Lowest 4 May, 2026

    37 °F

  • Average May

    55.6 °F

  • Highest 20 May, 2026

    84 °F

Climate (2021–Present)

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

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    45.3 °F

  • Average 2021–2026

    53.2 °F

  • Average High 2021–2026

    60.7 °F
Get WillyWeather+ to remove ads