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

28°F

-2°C

Humidity 49%
Wind Speed W 12 G 20 mph
Barometer 29.45 in (997.2 mb)
Dewpoint 11°F (-12°C)
Visibility 10.00 mi
Wind Chill18°F (-8°C)
Last update 15 Jan 11:56 pm EST
Extended Forecast for

Fishers Island NY

  • Overnight

    Overnight: Partly cloudy, with a low around 25. Wind chill values between 10 and 15. Windy, with a west wind 25 to 28 mph.

    Low: 25 °F

    Partly Cloudy
    and Windy

  • Friday

    Friday: Sunny, with a high near 36. Wind chill values between 10 and 20. Windy, with a west wind 24 to 29 mph decreasing to 18 to 23 mph in the afternoon.

    High: 36 °F

    Sunny and
    Windy

  • Friday Night

    Friday Night: Mostly cloudy, with a temperature rising to around 36 by midnight. Wind chill values between 20 and 25. Southwest wind 10 to 15 mph.

    Low: 33 °F⇑

    Mostly Cloudy

  • Saturday

    Saturday: A chance of snow before 10am, then a chance of rain and snow between 10am and 4pm, then a chance of rain after 4pm. Mostly cloudy, with a steady temperature around 38. Southwest wind 9 to 11 mph. Chance of precipitation is 50%.

    High: 38 °F

    Chance
    Rain/Snow

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 34. West wind 9 to 11 mph.

    Low: 34 °F

    Mostly Cloudy

  • Sunday

    Sunday: A 30 percent chance of snow after 1pm. Mostly cloudy, with a steady temperature around 35.

    High: 35 °F

    Mostly Cloudy
    then Chance
    Snow

  • Sunday Night

    Sunday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 26.

    Low: 26 °F

    Decreasing
    Clouds

  • M.L.King Day

    M.L.King Day: Sunny, with a high near 33. Breezy.

    High: 33 °F

    Sunny then
    Sunny and
    Breezy

  • Monday Night

    Monday Night: Partly cloudy, with a low around 19. Breezy.

    Low: 19 °F

    Partly Cloudy
    and Breezy

Detailed Forecast

Overnight
Partly cloudy, with a low around 25. Wind chill values between 10 and 15. Windy, with a west wind 25 to 28 mph.
Friday
Sunny, with a high near 36. Wind chill values between 10 and 20. Windy, with a west wind 24 to 29 mph decreasing to 18 to 23 mph in the afternoon.
Friday Night
Mostly cloudy, with a temperature rising to around 36 by midnight. Wind chill values between 20 and 25. Southwest wind 10 to 15 mph.
Saturday
A chance of snow before 10am, then a chance of rain and snow between 10am and 4pm, then a chance of rain after 4pm. Mostly cloudy, with a steady temperature around 38. Southwest wind 9 to 11 mph. Chance of precipitation is 50%.
Saturday Night
Mostly cloudy, with a low around 34. West wind 9 to 11 mph.
Sunday
A 30 percent chance of snow after 1pm. Mostly cloudy, with a steady temperature around 35.
Sunday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 26.
M.L.King Day
Sunny, with a high near 33. Breezy.
Monday Night
Partly cloudy, with a low around 19. Breezy.
Tuesday
Sunny, with a high near 24. Breezy.
Tuesday Night
Mostly clear, with a low around 17.
Wednesday
Mostly sunny, with a high near 31.
Wednesday Night
Mostly cloudy, with a low around 27.
Thursday
Mostly sunny, with a high near 35.
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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:
12:42 pm EST Jan 15, 2026
Forecast Valid:
12am EST Jan 16, 2026-6pm EST Jan 22, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation