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.

Mostly Cloudy

49°F

9°C

Humidity 50%
Wind Speed SW 18 G 28 mph
Barometer 29.96 in (1014.4 mb)
Dewpoint 31°F (-1°C)
Visibility 10.00 mi
Wind Chill43°F (6°C)
Last update 6 Apr 1:56 pm EDT
Extended Forecast for

Fishers Island NY

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 48. West wind around 16 mph.

    High: 48 °F

    Mostly Sunny

  • Tonight

    Tonight: A 30 percent chance of showers, mainly after 5am. Increasing clouds, with a low around 39. West wind 5 to 9 mph becoming northeast after midnight.

    Low: 39 °F

    Partly Cloudy
    then Chance
    Showers

  • Tuesday

    Tuesday: A chance of rain and snow showers before 11am, then a slight chance of rain 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
    Rain/Snow
    then Slight
    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. 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.

    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

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 48. West wind around 16 mph.
Tonight
A 30 percent chance of showers, mainly after 5am. Increasing clouds, with a low around 39. West wind 5 to 9 mph becoming northeast after midnight.
Tuesday
A chance of rain and snow showers before 11am, then a slight chance of rain 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. North wind 6 to 10 mph becoming southeast in the afternoon.
Wednesday Night
Clear, with a low around 36.
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.
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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:
2:19 pm EDT Apr 6, 2026
Forecast Valid:
2pm EDT Apr 6, 2026-6pm EDT Apr 12, 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