National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Groton / New London, Groton / New London Airport (KGON)

Lat: 41.33°NLon: 72.05°WElev: 10ft.

Fair

13°F

-11°C

Humidity 54%
Wind Speed Calm
Barometer 30.51 in (1033.2 mb)
Dewpoint -1°F (-18°C)
Visibility 10.00 mi
Last update 21 Jan 3:56 am EST
Extended Forecast for

Fishers Island NY

  • Today

    Today: Increasing clouds, with a high near 37. Wind chill values between 10 and 20. West wind 10 to 17 mph becoming southwest in the afternoon.

    High: 37 °F

    Increasing
    Clouds

  • Tonight

    Tonight: A chance of rain and snow, mainly between 1am and 4am. Cloudy, with a temperature rising to around 39 by 9pm. Wind chill values between 25 and 30. Breezy, with a southwest wind 18 to 22 mph. Chance of precipitation is 40%.

    Low: 35 °F⇑

    Chance
    Rain/Snow and
    Breezy

  • Thursday

    Thursday: Mostly sunny, with a high near 41. Breezy, with a west wind 17 to 21 mph.

    High: 41 °F

    Mostly Sunny
    and Breezy

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 29. Wind chill values between 20 and 25. West wind 15 to 17 mph.

    Low: 29 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 32. Breezy, with a west wind 14 to 20 mph.

    High: 32 °F

    Partly Sunny
    then Partly
    Sunny and
    Breezy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 11. Breezy.

    Low: 11 °F

    Mostly Cloudy
    and Breezy

  • Saturday

    Saturday: Mostly sunny and cold, with a high near 16. Blustery.

    High: 16 °F

    Mostly Sunny
    and Blustery
    then Mostly
    Sunny

  • Saturday Night

    Saturday Night: A 30 percent chance of snow after 1am. Mostly cloudy, with a low around 12.

    Low: 12 °F

    Mostly Cloudy
    then Chance
    Snow

  • Sunday

    Sunday: Snow likely. Mostly cloudy, with a high near 21. Chance of precipitation is 70%.

    High: 21 °F

    Snow Likely

Detailed Forecast

Today
Increasing clouds, with a high near 37. Wind chill values between 10 and 20. West wind 10 to 17 mph becoming southwest in the afternoon.
Tonight
A chance of rain and snow, mainly between 1am and 4am. Cloudy, with a temperature rising to around 39 by 9pm. Wind chill values between 25 and 30. Breezy, with a southwest wind 18 to 22 mph. Chance of precipitation is 40%.
Thursday
Mostly sunny, with a high near 41. Breezy, with a west wind 17 to 21 mph.
Thursday Night
Partly cloudy, with a low around 29. Wind chill values between 20 and 25. West wind 15 to 17 mph.
Friday
Partly sunny, with a high near 32. Breezy, with a west wind 14 to 20 mph.
Friday Night
Mostly cloudy, with a low around 11. Breezy.
Saturday
Mostly sunny and cold, with a high near 16. Blustery.
Saturday Night
A 30 percent chance of snow after 1am. Mostly cloudy, with a low around 12.
Sunday
Snow likely. Mostly cloudy, with a high near 21. Chance of precipitation is 70%.
Sunday Night
Snow likely. Cloudy, with a low around 18. Chance of precipitation is 60%.
Monday
A 50 percent chance of snow. Partly sunny, with a high near 27.
Monday Night
Partly cloudy, with a low around 16.
Tuesday
Sunny, with a high near 26.
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:
1:12 am EST Jan 21, 2026
Forecast Valid:
4am EST Jan 21, 2026-6pm EST Jan 27, 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