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

40°F

4°C

Humidity 49%
Wind Speed N 12 G 18 mph
Barometer 30.36 in (1027.9 mb)
Dewpoint 22°F (-6°C)
Visibility 10.00 mi
Wind Chill33°F (1°C)
Last update 24 Mar 10:56 am EDT
Extended Forecast for

Fishers Island NY

  • Today

    Today: Sunny, with a high near 44. North wind 8 to 15 mph becoming southwest in the afternoon. Winds could gust as high as 26 mph.

    High: 44 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 34. Southwest wind 10 to 14 mph.

    Low: 34 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: Partly sunny, with a high near 44. Southwest wind 6 to 11 mph.

    High: 44 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Cloudy, with a low around 41. South wind 9 to 11 mph.

    Low: 41 °F

    Cloudy

  • Thursday

    Thursday: Mostly cloudy, with a high near 49. Southwest wind 11 to 17 mph.

    High: 49 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: Rain likely, mainly after 2am. Mostly cloudy, with a low around 46. Breezy. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 46 °F

    Breezy.
    Chance Rain
    then Rain
    Likely

  • Friday

    Friday: Rain likely, mainly before 8am. Partly sunny, with a high near 48. Chance of precipitation is 60%.

    High: 48 °F

    Rain Likely
    then Chance
    Rain

  • Friday Night

    Friday Night: Partly cloudy, with a low around 28.

    Low: 28 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 38.

    High: 38 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 44. North wind 8 to 15 mph becoming southwest in the afternoon. Winds could gust as high as 26 mph.
Tonight
Increasing clouds, with a low around 34. Southwest wind 10 to 14 mph.
Wednesday
Partly sunny, with a high near 44. Southwest wind 6 to 11 mph.
Wednesday Night
Cloudy, with a low around 41. South wind 9 to 11 mph.
Thursday
Mostly cloudy, with a high near 49. Southwest wind 11 to 17 mph.
Thursday Night
Rain likely, mainly after 2am. Mostly cloudy, with a low around 46. Breezy. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday
Rain likely, mainly before 8am. Partly sunny, with a high near 48. Chance of precipitation is 60%.
Friday Night
Partly cloudy, with a low around 28.
Saturday
Sunny, with a high near 38.
Saturday Night
Mostly clear, with a low around 32.
Sunday
Sunny, with a high near 43.
Sunday Night
Partly cloudy, with a low around 37.
Monday
Mostly sunny, with a high near 47.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Fishers Island NY
 41.27°N 72.01°W (Elev. 7 ft)
Last Update:
10:58 am EDT Mar 24, 2026
Forecast Valid:
11am EDT Mar 24, 2026-6pm EDT Mar 30, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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