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

34°F

1°C

Humidity 59%
Wind Speed S 7 mph
Barometer 30.14 in (1020.4 mb)
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Wind Chill28°F (-2°C)
Last update 27 Feb 11:56 am EST
Extended Forecast for

Fishers Island NY

  • This Afternoon

    This Afternoon: Sunny, with a steady temperature around 33. South wind 3 to 6 mph.

    High: 33 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a steady temperature around 34. South wind 3 to 6 mph.

    Low: 34 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 41. Southeast wind 6 to 8 mph becoming southwest in the afternoon.

    High: 41 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 31. Light and variable wind becoming northwest around 6 mph in the evening.

    Low: 31 °F

    Partly Cloudy

  • Sunday

    Sunday: Snow showers likely, mainly between 10am and 4pm. Mostly cloudy, with a high near 37. Northwest wind 7 to 13 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    High: 37 °F

    Snow Showers
    Likely

  • Sunday Night

    Sunday Night: A 30 percent chance of snow showers before 7pm. Mostly clear, with a low around 18.

    Low: 18 °F

    Chance Snow
    Showers then
    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 28.

    High: 28 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 22.

    Low: 22 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A 50 percent chance of rain. Mostly cloudy, with a high near 41.

    High: 41 °F

    Chance Rain

Detailed Forecast

This Afternoon
Sunny, with a steady temperature around 33. South wind 3 to 6 mph.
Tonight
Mostly clear, with a steady temperature around 34. South wind 3 to 6 mph.
Saturday
Mostly sunny, with a high near 41. Southeast wind 6 to 8 mph becoming southwest in the afternoon.
Saturday Night
Partly cloudy, with a low around 31. Light and variable wind becoming northwest around 6 mph in the evening.
Sunday
Snow showers likely, mainly between 10am and 4pm. Mostly cloudy, with a high near 37. Northwest wind 7 to 13 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Sunday Night
A 30 percent chance of snow showers before 7pm. Mostly clear, with a low around 18.
Monday
Mostly sunny, with a high near 28.
Monday Night
Partly cloudy, with a low around 22.
Tuesday
A 50 percent chance of rain. Mostly cloudy, with a high near 41.
Tuesday Night
Rain likely. Cloudy, with a low around 35. Chance of precipitation is 70%.
Wednesday
A 30 percent chance of rain. Mostly cloudy, with a high near 43.
Wednesday Night
Mostly cloudy, with a low around 35.
Thursday
A 40 percent chance of rain. Mostly cloudy, with a high near 42.
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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:
12:50 pm EST Feb 27, 2026
Forecast Valid:
12pm EST Feb 27, 2026-6pm EST Mar 5, 2026
 
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Additional Resources

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National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation