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.

A Few Clouds

37°F

3°C

Humidity 65%
Wind Speed Calm
Barometer 30.11 in (1019.7 mb)
Dewpoint 26°F (-3°C)
Visibility 10.00 mi
Last update 6 Apr 10:56 pm EDT
Extended Forecast for

Fishers Island NY

  • Tonight

    Tonight: A slight chance of rain showers between midnight and 4am, then a chance of rain and snow showers. Mostly cloudy, with a low around 37. North wind around 6 mph becoming east after midnight. Chance of precipitation is 30%.

    Low: 37 °F

    Chance
    Rain/Snow

  • Tuesday

    Tuesday: A chance of showers before 10am, then a slight chance of showers after 2pm. Partly sunny, with a high near 46. East wind 10 to 16 mph becoming west in the afternoon. Chance of precipitation is 30%.

    High: 46 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 30. North wind 14 to 16 mph.

    Low: 30 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 42. Wind chill values between 25 and 35. North wind 6 to 10 mph becoming southeast in the afternoon.

    High: 42 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 36. South wind 5 to 7 mph.

    Low: 36 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 44.

    High: 44 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 42.

    Low: 42 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 52.

    High: 52 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 47.

    Low: 47 °F

    Partly Cloudy

Detailed Forecast

Tonight
A slight chance of rain showers between midnight and 4am, then a chance of rain and snow showers. Mostly cloudy, with a low around 37. North wind around 6 mph becoming east after midnight. Chance of precipitation is 30%.
Tuesday
A chance of showers before 10am, then a slight chance of showers after 2pm. Partly sunny, with a high near 46. East wind 10 to 16 mph becoming west in the afternoon. Chance of precipitation is 30%.
Tuesday Night
Mostly clear, with a low around 30. North wind 14 to 16 mph.
Wednesday
Sunny, with a high near 42. Wind chill values between 25 and 35. North wind 6 to 10 mph becoming southeast in the afternoon.
Wednesday Night
Clear, with a low around 36. South wind 5 to 7 mph.
Thursday
Sunny, with a high near 44.
Thursday Night
Partly cloudy, with a low around 42.
Friday
Mostly sunny, with a high near 52.
Friday Night
Partly cloudy, with a low around 47.
Saturday
Mostly sunny, with a high near 55.
Saturday Night
Partly cloudy, with a low around 45.
Sunday
Mostly sunny, with a high near 51.
Sunday Night
Mostly cloudy, with a low around 46.
Monday
Partly sunny, with a high near 57.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Fishers Island NY
 41.27°N 72.01°W (Elev. 7 ft)
Last Update:
8:00 pm EDT Apr 6, 2026
Forecast Valid:
11pm EDT Apr 6, 2026-6pm EDT Apr 13, 2026
 
Forecast Discussion
 
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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