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.

Light Rain

38°F

3°C

Humidity 89%
Wind Speed N 12 mph
Barometer 29.75 in (1007.5 mb)
Dewpoint 35°F (2°C)
Visibility 10.00 mi
Wind Chill30°F (-1°C)
Last update 23 Mar 9:56 am EDT
Extended Forecast for

Fishers Island NY

  • Today

    Today: Rain, mainly before 11am, then a chance of showers after 2pm. High near 41. North wind 13 to 15 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.

    High: 41 °F

    Rain then
    Chance Rain

  • Tonight

    Tonight: A 30 percent chance of showers before 8pm. Mostly cloudy, with a low around 33. Wind chill values between 25 and 30. North wind 10 to 15 mph.

    Low: 33 °F

    Chance
    Showers then
    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 41. Wind chill values between 25 and 35. North wind 7 to 13 mph becoming southwest in the afternoon.

    High: 41 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Increasing clouds, with a low around 37. Southwest wind 11 to 14 mph.

    Low: 37 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: Partly sunny, with a high near 44. Southwest wind 9 to 16 mph.

    High: 44 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 41.

    Low: 41 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly cloudy, with a high near 49.

    High: 49 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: Rain likely after 2am. Mostly cloudy, with a low around 45. Breezy. Chance of precipitation is 60%.

    Low: 45 °F

    Breezy.
    Mostly Cloudy
    then Rain
    Likely

  • Friday

    Friday: Rain likely, mainly before 8am. Mostly cloudy, with a high near 49. Chance of precipitation is 60%.

    High: 49 °F

    Rain Likely

Detailed Forecast

Today
Rain, mainly before 11am, then a chance of showers after 2pm. High near 41. North wind 13 to 15 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
A 30 percent chance of showers before 8pm. Mostly cloudy, with a low around 33. Wind chill values between 25 and 30. North wind 10 to 15 mph.
Tuesday
Sunny, with a high near 41. Wind chill values between 25 and 35. North wind 7 to 13 mph becoming southwest in the afternoon.
Tuesday Night
Increasing clouds, with a low around 37. Southwest wind 11 to 14 mph.
Wednesday
Partly sunny, with a high near 44. Southwest wind 9 to 16 mph.
Wednesday Night
Mostly cloudy, with a low around 41.
Thursday
Mostly cloudy, with a high near 49.
Thursday Night
Rain likely after 2am. Mostly cloudy, with a low around 45. Breezy. Chance of precipitation is 60%.
Friday
Rain likely, mainly before 8am. Mostly cloudy, with a high near 49. Chance of precipitation is 60%.
Friday Night
Partly cloudy, with a low around 28.
Saturday
Sunny, with a high near 37.
Saturday Night
Mostly clear, with a low around 32.
Sunday
Sunny, with a high near 42.
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:
2:12 am EDT Mar 23, 2026
Forecast Valid:
10am EDT Mar 23, 2026-6pm EDT Mar 29, 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