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.

Mostly Cloudy

29°F

-2°C

Humidity 58%
Wind Speed W 12 G 18 mph
Barometer 29.99 in (1015.5 mb)
Dewpoint 16°F (-9°C)
Visibility 10.00 mi
Wind Chill19°F (-7°C)
Last update 19 Jan 5:56 pm EST
Extended Forecast for

Fishers Island NY

  • Tonight

    Tonight: A chance of flurries before 10pm. Partly cloudy, with a low around 21. Wind chill values between 5 and 15. Windy, with a west wind 24 to 29 mph.

    Low: 21 °F

    Chance
    Flurries and
    Windy

  • Tuesday

    Tuesday: Sunny, with a high near 25. Wind chill values between 5 and 10. Breezy, with a west wind around 22 mph.

    High: 25 °F

    Sunny and
    Breezy

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 19. Wind chill values between 5 and 10. Breezy, with a west wind 11 to 21 mph.

    Low: 19 °F

    Mostly Clear
    and Breezy
    then Mostly
    Clear

  • Wednesday

    Wednesday: Increasing clouds, with a high near 39. Wind chill values between 10 and 20. Southwest wind 9 to 18 mph.

    High: 39 °F

    Increasing
    Clouds

  • Wednesday Night

    Wednesday Night: Cloudy, then gradually becoming partly cloudy, with a steady temperature around 37. Breezy, with a southwest wind 18 to 22 mph.

    Low: 37 °F

    Decreasing
    Clouds and
    Breezy

  • Thursday

    Thursday: Mostly sunny, with a high near 41.

    High: 41 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 25.

    Low: 25 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 31.

    High: 31 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 10. Blustery.

    Low: 10 °F

    Mostly Cloudy
    and Blustery

Detailed Forecast

Tonight
A chance of flurries before 10pm. Partly cloudy, with a low around 21. Wind chill values between 5 and 15. Windy, with a west wind 24 to 29 mph.
Tuesday
Sunny, with a high near 25. Wind chill values between 5 and 10. Breezy, with a west wind around 22 mph.
Tuesday Night
Mostly clear, with a low around 19. Wind chill values between 5 and 10. Breezy, with a west wind 11 to 21 mph.
Wednesday
Increasing clouds, with a high near 39. Wind chill values between 10 and 20. Southwest wind 9 to 18 mph.
Wednesday Night
Cloudy, then gradually becoming partly cloudy, with a steady temperature around 37. Breezy, with a southwest wind 18 to 22 mph.
Thursday
Mostly sunny, with a high near 41.
Thursday Night
Partly cloudy, with a low around 25.
Friday
Mostly sunny, with a high near 31.
Friday Night
Mostly cloudy, with a low around 10. Blustery.
Saturday
Partly sunny and cold, with a high near 18.
Saturday Night
Mostly cloudy, with a low around 8.
Sunday
A 30 percent chance of snow. Mostly cloudy and cold, with a high near 19.
Sunday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 10.
Monday
Partly sunny, with a high near 23.
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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:
3:36 pm EST Jan 19, 2026
Forecast Valid:
6pm EST Jan 19, 2026-6pm EST Jan 26, 2026
 
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