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

39°F

4°C

Humidity 67%
Wind Speed SW 3 mph
Barometer 29.87 in (1011.3 mb)
Dewpoint 29°F (-2°C)
Visibility 10.00 mi
Last update 26 Feb 11:56 am EST
Extended Forecast for

Fishers Island NY

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 37. West wind around 7 mph.

    High: 37 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming mostly clear, with a low around 23. Wind chill values between 15 and 20. North wind 6 to 8 mph.

    Low: 23 °F

    Decreasing
    Clouds

  • Friday

    Friday: Sunny, with a high near 36. Wind chill values between 15 and 25. Light and variable wind becoming south 5 to 7 mph in the afternoon.

    High: 36 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 32. South wind 7 to 9 mph.

    Low: 32 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 42. Southwest wind 8 to 10 mph.

    High: 42 °F

    Sunny

  • Saturday Night

    Saturday Night: Increasing clouds, with a low around 32.

    Low: 32 °F

    Increasing
    Clouds

  • Sunday

    Sunday: A 30 percent chance of snow showers before 1pm. Cloudy, then gradually becoming mostly sunny, with a high near 36.

    High: 36 °F

    Chance Snow
    Showers

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 19. Blustery.

    Low: 19 °F

    Mostly Clear
    and Blustery
    then Partly
    Cloudy

  • Monday

    Monday: A 30 percent chance of snow after 1pm. Partly sunny, with a high near 26.

    High: 26 °F

    Partly Sunny
    then Chance
    Snow

Detailed Forecast

This Afternoon
Partly sunny, with a high near 37. West wind around 7 mph.
Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 23. Wind chill values between 15 and 20. North wind 6 to 8 mph.
Friday
Sunny, with a high near 36. Wind chill values between 15 and 25. Light and variable wind becoming south 5 to 7 mph in the afternoon.
Friday Night
Mostly clear, with a low around 32. South wind 7 to 9 mph.
Saturday
Sunny, with a high near 42. Southwest wind 8 to 10 mph.
Saturday Night
Increasing clouds, with a low around 32.
Sunday
A 30 percent chance of snow showers before 1pm. Cloudy, then gradually becoming mostly sunny, with a high near 36.
Sunday Night
Partly cloudy, with a low around 19. Blustery.
Monday
A 30 percent chance of snow after 1pm. Partly sunny, with a high near 26.
Monday Night
Mostly cloudy, with a low around 20.
Tuesday
Mostly cloudy, with a high near 35.
Tuesday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 31.
Wednesday
A 50 percent chance of rain. Partly sunny, with a high near 41.
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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:
10:42 am EST Feb 26, 2026
Forecast Valid:
12pm EST Feb 26, 2026-6pm EST Mar 4, 2026
 
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Additional Resources

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High Temperature

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Chance of Precipitation