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

37°F

3°C

Humidity 82%
Wind Speed W 5 mph
Barometer 30.14 in (1020.5 mb)
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Wind Chill33°F (1°C)
Last update 8 Jan 8:56 am EST
Extended Forecast for

Fishers Island NY

  • Today

    Today: Sunny, with a high near 41. West wind 7 to 10 mph.

    High: 41 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 33. Northwest wind around 5 mph becoming calm in the evening.

    Low: 33 °F

    Partly Cloudy

  • Friday

    Friday: A 20 percent chance of rain after 4pm. Partly sunny, with a high near 46. South wind 6 to 15 mph.

    High: 46 °F

    Partly Sunny
    then Slight
    Chance Rain

  • Friday Night

    Friday Night: Rain likely, mainly between 7pm and 1am. Cloudy, with a low around 43. West wind 11 to 17 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 43 °F

    Rain Likely

  • Saturday

    Saturday: Rain, mainly after 1pm. High near 46. Northwest wind 8 to 11 mph becoming east in the afternoon. Chance of precipitation is 80%. New precipitation amounts between a half and three quarters of an inch possible.

    High: 46 °F

    Chance Rain
    then Rain

  • Saturday Night

    Saturday Night: Rain. Low around 43. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 43 °F

    Rain

  • Sunday

    Sunday: A 50 percent chance of showers. Cloudy, with a high near 46.

    High: 46 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 32. Breezy.

    Low: 32 °F

    Mostly Cloudy
    then Partly
    Cloudy and
    Breezy

  • Monday

    Monday: Sunny, with a high near 38. Breezy.

    High: 38 °F

    Sunny and
    Breezy then
    Sunny

Detailed Forecast

Today
Sunny, with a high near 41. West wind 7 to 10 mph.
Tonight
Partly cloudy, with a low around 33. Northwest wind around 5 mph becoming calm in the evening.
Friday
A 20 percent chance of rain after 4pm. Partly sunny, with a high near 46. South wind 6 to 15 mph.
Friday Night
Rain likely, mainly between 7pm and 1am. Cloudy, with a low around 43. West wind 11 to 17 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday
Rain, mainly after 1pm. High near 46. Northwest wind 8 to 11 mph becoming east in the afternoon. Chance of precipitation is 80%. New precipitation amounts between a half and three quarters of an inch possible.
Saturday Night
Rain. Low around 43. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Sunday
A 50 percent chance of showers. Cloudy, with a high near 46.
Sunday Night
Partly cloudy, with a low around 32. Breezy.
Monday
Sunny, with a high near 38. Breezy.
Monday Night
Partly cloudy, with a low around 34.
Tuesday
Mostly sunny, with a high near 41.
Tuesday Night
Partly cloudy, with a low around 37.
Wednesday
Mostly cloudy, with a high near 44.
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:
5:02 am EST Jan 8, 2026
Forecast Valid:
9am EST Jan 8, 2026-6pm EST Jan 14, 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