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.

Fog/Mist

35°F

2°C

Humidity 96%
Wind Speed NE 8 mph
Barometer 30.43 in (1030.4 mb)
Dewpoint 34°F (1°C)
Visibility 3.00 mi
Wind Chill28°F (-2°C)
Last update 6 Mar 8:56 pm EST
Extended Forecast for

Fishers Island NY

  • Tonight

    Tonight: Cloudy, with a low around 34. East wind 3 to 8 mph.

    Low: 34 °F

    Cloudy

  • Saturday

    Saturday: Cloudy, with a high near 45. Light southeast wind becoming south 6 to 11 mph in the morning.

    High: 45 °F

    Cloudy

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms. Areas of dense fog after 1am. Otherwise, cloudy, with a low around 43. Southwest wind 13 to 18 mph. Chance of precipitation is 40%.

    Low: 43 °F

    Chance
    Showers and
    Areas Dense
    Fog

  • Sunday

    Sunday: A 30 percent chance of showers before 1pm. Areas of fog before 1pm. Otherwise, mostly cloudy, with a high near 51. Southwest wind 11 to 15 mph.

    High: 51 °F

    Chance
    Showers and
    Areas Fog

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 38. West wind 7 to 9 mph.

    Low: 38 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 50.

    High: 50 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 42.

    Low: 42 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 52.

    High: 52 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 42.

    Low: 42 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Cloudy, with a low around 34. East wind 3 to 8 mph.
Saturday
Cloudy, with a high near 45. Light southeast wind becoming south 6 to 11 mph in the morning.
Saturday Night
A chance of showers and thunderstorms. Areas of dense fog after 1am. Otherwise, cloudy, with a low around 43. Southwest wind 13 to 18 mph. Chance of precipitation is 40%.
Sunday
A 30 percent chance of showers before 1pm. Areas of fog before 1pm. Otherwise, mostly cloudy, with a high near 51. Southwest wind 11 to 15 mph.
Sunday Night
Mostly clear, with a low around 38. West wind 7 to 9 mph.
Monday
Sunny, with a high near 50.
Monday Night
Partly cloudy, with a low around 42.
Tuesday
Partly sunny, with a high near 52.
Tuesday Night
Mostly cloudy, with a low around 42.
Wednesday
A 50 percent chance of rain. Cloudy, with a high near 48.
Wednesday Night
A 50 percent chance of rain. Cloudy, with a low around 40.
Thursday
A 40 percent chance of rain. Mostly cloudy, with a high near 44.
Thursday Night
Mostly cloudy, with a low around 32.
Friday
Mostly cloudy, with a high near 41.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Fishers Island NY
 41.27°N 72.01°W (Elev. 7 ft)
Last Update:
12:51 pm EST Mar 6, 2026
Forecast Valid:
9pm EST Mar 6, 2026-6pm EDT Mar 13, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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