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

31°F

-1°C

Humidity 56%
Wind Speed N 10 mph
Barometer 29.96 in (1014.4 mb)
Dewpoint 17°F (-8°C)
Visibility 10.00 mi
Wind Chill22°F (-6°C)
Last update 27 Feb 12:56 am EST
Extended Forecast for

Fishers Island NY

  • Overnight

    Overnight: Mostly clear, with a low around 25. North wind around 8 mph.

    Low: 25 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 38. Wind chill values between 20 and 30. Light and variable wind becoming south 5 to 7 mph in the afternoon.

    High: 38 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 30. South wind around 7 mph.

    Low: 30 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 43. Wind chill values between 25 and 35. South wind 7 to 9 mph.

    High: 43 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 33. Southwest wind around 7 mph becoming northwest after midnight.

    Low: 33 °F

    Partly Cloudy

  • Sunday

    Sunday: Scattered snow showers before 4pm. Cloudy, then gradual clearing during the afternoon, with a high near 36. Chance of precipitation is 50%.

    High: 36 °F

    Scattered
    Snow Showers

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 18.

    Low: 18 °F

    Mostly Clear

  • Monday

    Monday: Partly sunny, with a high near 27.

    High: 27 °F

    Partly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 21.

    Low: 21 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 25. North wind around 8 mph.
Friday
Sunny, with a high near 38. Wind chill values between 20 and 30. Light and variable wind becoming south 5 to 7 mph in the afternoon.
Friday Night
Mostly clear, with a low around 30. South wind around 7 mph.
Saturday
Sunny, with a high near 43. Wind chill values between 25 and 35. South wind 7 to 9 mph.
Saturday Night
Partly cloudy, with a low around 33. Southwest wind around 7 mph becoming northwest after midnight.
Sunday
Scattered snow showers before 4pm. Cloudy, then gradual clearing during the afternoon, with a high near 36. Chance of precipitation is 50%.
Sunday Night
Mostly clear, with a low around 18.
Monday
Partly sunny, with a high near 27.
Monday Night
Partly cloudy, with a low around 21.
Tuesday
A chance of rain and snow after 1pm. Mostly cloudy, with a high near 36. Chance of precipitation is 30%.
Tuesday Night
Rain likely. Cloudy, with a low around 33. Chance of precipitation is 60%.
Wednesday
A 30 percent chance of rain. Partly sunny, with a high near 43.
Wednesday Night
Mostly cloudy, with a low around 35.
Thursday
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 am EST Feb 27, 2026
Forecast Valid:
1am EST Feb 27, 2026-6pm EST Mar 5, 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