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 61%
Wind Speed W 10 mph
Barometer 30.06 in (1017.8 mb)
Dewpoint 22°F (-6°C)
Visibility 10.00 mi
Wind Chill26°F (-3°C)
Last update 13 Jan 3:56 am EST
Extended Forecast for

Fishers Island NY

  • Today

    Today: Increasing clouds, with a high near 43. West wind 11 to 14 mph.

    High: 43 °F

    Increasing
    Clouds

  • Tonight

    Tonight: A 30 percent chance of showers, mainly after 4am. Mostly cloudy, with a low around 40. Breezy, with a southwest wind 15 to 20 mph.

    Low: 40 °F

    Breezy.
    Mostly Cloudy
    then Chance
    Showers

  • Wednesday

    Wednesday: A 30 percent chance of showers before 7am. Mostly cloudy, with a high near 44. Southwest wind 10 to 14 mph.

    High: 44 °F

    Chance
    Showers then
    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: A 40 percent chance of rain. Cloudy, with a steady temperature around 41. South wind 7 to 10 mph.

    Low: 41 °F

    Chance Rain

  • Thursday

    Thursday: A slight chance of rain, mixing with snow after 10am, then gradually ending. Cloudy, then gradually becoming mostly sunny, with a temperature falling to around 31 by 5pm. West wind 11 to 18 mph. Chance of precipitation is 20%.

    High: 40 °F⇓

    Slight Chance
    Rain/Snow

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 21. Breezy.

    Low: 21 °F

    Partly Cloudy
    and Breezy
    then Partly
    Cloudy

  • Friday

    Friday: Sunny, with a high near 35.

    High: 35 °F

    Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 31.

    Low: 31 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 40.

    High: 40 °F

    Partly Sunny

Detailed Forecast

Today
Increasing clouds, with a high near 43. West wind 11 to 14 mph.
Tonight
A 30 percent chance of showers, mainly after 4am. Mostly cloudy, with a low around 40. Breezy, with a southwest wind 15 to 20 mph.
Wednesday
A 30 percent chance of showers before 7am. Mostly cloudy, with a high near 44. Southwest wind 10 to 14 mph.
Wednesday Night
A 40 percent chance of rain. Cloudy, with a steady temperature around 41. South wind 7 to 10 mph.
Thursday
A slight chance of rain, mixing with snow after 10am, then gradually ending. Cloudy, then gradually becoming mostly sunny, with a temperature falling to around 31 by 5pm. West wind 11 to 18 mph. Chance of precipitation is 20%.
Thursday Night
Partly cloudy, with a low around 21. Breezy.
Friday
Sunny, with a high near 35.
Friday Night
Mostly cloudy, with a low around 31.
Saturday
Partly sunny, with a high near 40.
Saturday Night
Mostly cloudy, with a low around 32.
Sunday
Partly sunny, with a high near 38.
Sunday Night
Mostly cloudy, with a low around 27.
M.L.King Day
Mostly sunny, with a high near 33.
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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:
1:18 am EST Jan 13, 2026
Forecast Valid:
4am EST Jan 13, 2026-6pm EST Jan 19, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation