National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Groton / New London, Groton / New London Airport (KGON)

Lat: 41.33°NLon: 72.05°WElev: 10ft.

Fair

24°F

-4°C

Humidity 36%
Wind Speed W 16 G 29 mph
Barometer 30.19 in (1022.4 mb)
Dewpoint 1°F (-17°C)
Visibility 10.00 mi
Wind Chill11°F (-12°C)
Last update 20 Jan 12:56 pm EST
Extended Forecast for

Fishers Island NY

  • This Afternoon

    This Afternoon: Sunny, with a high near 25. Wind chill values between 10 and 15. Breezy, with a west wind 20 to 22 mph.

    High: 25 °F

    Sunny and
    Breezy

  • Tonight

    Tonight: Mostly clear, with a low around 18. Wind chill values between 5 and 10. West wind 10 to 17 mph.

    Low: 18 °F

    Mostly Clear

  • Wednesday

    Wednesday: Increasing clouds, with a high near 39. Wind chill values between 10 and 20. West wind 9 to 18 mph becoming southwest in the afternoon.

    High: 39 °F

    Increasing
    Clouds

  • Wednesday Night

    Wednesday Night: A chance of rain and snow before 4am, then a chance of rain. Mostly cloudy, with a temperature rising to around 39 by 9pm. Wind chill values between 25 and 30. Breezy, with a southwest wind 18 to 22 mph. Chance of precipitation is 30%.

    Low: 35 °F⇑

    Chance
    Rain/Snow and
    Breezy

  • Thursday

    Thursday: A 30 percent chance of rain before 7am. Mostly sunny, with a high near 41. Breezy, with a west wind 17 to 20 mph.

    High: 41 °F

    Chance Rain
    then Mostly
    Sunny and
    Breezy

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 26.

    Low: 26 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 33.

    High: 33 °F

    Partly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 12. Blustery.

    Low: 12 °F

    Partly Cloudy
    and Blustery

  • Saturday

    Saturday: Mostly sunny and cold, with a high near 17. Blustery.

    High: 17 °F

    Mostly Sunny
    and Blustery
    then Partly
    Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 25. Wind chill values between 10 and 15. Breezy, with a west wind 20 to 22 mph.
Tonight
Mostly clear, with a low around 18. Wind chill values between 5 and 10. West wind 10 to 17 mph.
Wednesday
Increasing clouds, with a high near 39. Wind chill values between 10 and 20. West wind 9 to 18 mph becoming southwest in the afternoon.
Wednesday Night
A chance of rain and snow before 4am, then a chance of rain. Mostly cloudy, with a temperature rising to around 39 by 9pm. Wind chill values between 25 and 30. Breezy, with a southwest wind 18 to 22 mph. Chance of precipitation is 30%.
Thursday
A 30 percent chance of rain before 7am. Mostly sunny, with a high near 41. Breezy, with a west wind 17 to 20 mph.
Thursday Night
Mostly cloudy, with a low around 26.
Friday
Partly sunny, with a high near 33.
Friday Night
Partly cloudy, with a low around 12. Blustery.
Saturday
Mostly sunny and cold, with a high near 17. Blustery.
Saturday Night
A 30 percent chance of snow after 1am. Mostly cloudy, with a low around 13.
Sunday
Snow likely. Cloudy, with a high near 22. Chance of precipitation is 60%.
Sunday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 17.
Monday
A 30 percent chance of snow. Partly sunny, with a high near 25.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Fishers Island NY
 41.27°N 72.01°W (Elev. 7 ft)
Last Update:
1:22 pm EST Jan 20, 2026
Forecast Valid:
1pm EST Jan 20, 2026-6pm EST Jan 26, 2026
 
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Additional Resources

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Chance of Precipitation