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.

Overcast

49°F

9°C

Humidity 77%
Wind Speed SW 8 mph
Barometer 30.19 in (1022.1 mb)
Dewpoint 42°F (6°C)
Visibility 10.00 mi
Wind Chill46°F (8°C)
Last update 30 Mar 10:56 am EDT
Extended Forecast for

Fishers Island NY

  • Today

    Today: Mostly cloudy, with a high near 49. Breezy, with a southwest wind around 22 mph, with gusts as high as 34 mph.

    High: 49 °F

    Mostly Cloudy
    and Breezy

  • Tonight

    Tonight: A 40 percent chance of showers, mainly after 2am. Mostly cloudy, with a low around 45. Breezy, with a southwest wind 15 to 21 mph.

    Low: 45 °F

    Chance
    Showers and
    Breezy

  • Tuesday

    Tuesday: A 40 percent chance of showers before 2pm. Mostly cloudy, with a high near 52. Southwest wind 15 to 17 mph.

    High: 52 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 49. Breezy, with a southwest wind 20 to 25 mph.

    Low: 49 °F

    Mostly Cloudy
    and Breezy

  • Wednesday

    Wednesday: A 50 percent chance of showers after 2pm. Partly sunny, with a high near 57. Breezy, with a southwest wind 18 to 23 mph.

    High: 57 °F

    Breezy.
    Partly Sunny
    then Chance
    Showers

  • Wednesday Night

    Wednesday Night: Showers likely, mainly between 8pm and 2am. Mostly cloudy, with a low around 43. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 43 °F

    Showers
    Likely

  • Thursday

    Thursday: A 40 percent chance of showers. Mostly cloudy, with a high near 45. Breezy.

    High: 45 °F

    Chance
    Showers and
    Breezy

  • Thursday Night

    Thursday Night: A 30 percent chance of rain. Cloudy, with a low around 41.

    Low: 41 °F

    Chance Rain

  • Friday

    Friday: A 30 percent chance of rain. Mostly cloudy, with a high near 51.

    High: 51 °F

    Chance Rain

Detailed Forecast

Today
Mostly cloudy, with a high near 49. Breezy, with a southwest wind around 22 mph, with gusts as high as 34 mph.
Tonight
A 40 percent chance of showers, mainly after 2am. Mostly cloudy, with a low around 45. Breezy, with a southwest wind 15 to 21 mph.
Tuesday
A 40 percent chance of showers before 2pm. Mostly cloudy, with a high near 52. Southwest wind 15 to 17 mph.
Tuesday Night
Mostly cloudy, with a low around 49. Breezy, with a southwest wind 20 to 25 mph.
Wednesday
A 50 percent chance of showers after 2pm. Partly sunny, with a high near 57. Breezy, with a southwest wind 18 to 23 mph.
Wednesday Night
Showers likely, mainly between 8pm and 2am. Mostly cloudy, with a low around 43. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday
A 40 percent chance of showers. Mostly cloudy, with a high near 45. Breezy.
Thursday Night
A 30 percent chance of rain. Cloudy, with a low around 41.
Friday
A 30 percent chance of rain. Mostly cloudy, with a high near 51.
Friday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 47.
Saturday
A 30 percent chance of rain. Mostly cloudy, with a high near 52.
Saturday Night
A 40 percent chance of rain. Cloudy, with a low around 44.
Sunday
A 50 percent chance of rain. Cloudy, with a high near 53.
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:
5:34 am EDT Mar 30, 2026
Forecast Valid:
11am EDT Mar 30, 2026-6pm EDT Apr 5, 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