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

35°F

2°C

Humidity 85%
Wind Speed Calm
Barometer 29.66 in (1004.3 mb)
Dewpoint 31°F (-1°C)
Visibility 10.00 mi
Last update 25 Feb 4:56 pm EST
Extended Forecast for

Fishers Island NY

  • Tonight

    Tonight: Partly cloudy, with a low around 33. Southwest wind around 15 mph.

    Low: 33 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 36. West wind 8 to 10 mph.

    High: 36 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 26. Wind chill values between 20 and 25. North wind 6 to 8 mph.

    Low: 26 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 36. Wind chill values between 20 and 30. North wind 5 to 7 mph becoming south in the afternoon.

    High: 36 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 32. South wind 6 to 8 mph.

    Low: 32 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 42.

    High: 42 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 31.

    Low: 31 °F

    Partly Cloudy

  • Sunday

    Sunday: A 30 percent chance of snow before 1pm. Mostly cloudy, with a high near 36.

    High: 36 °F

    Chance Snow

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 19.

    Low: 19 °F

    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 33. Southwest wind around 15 mph.
Thursday
Mostly sunny, with a high near 36. West wind 8 to 10 mph.
Thursday Night
Mostly clear, with a low around 26. Wind chill values between 20 and 25. North wind 6 to 8 mph.
Friday
Sunny, with a high near 36. Wind chill values between 20 and 30. North wind 5 to 7 mph becoming south in the afternoon.
Friday Night
Mostly clear, with a low around 32. South wind 6 to 8 mph.
Saturday
Mostly sunny, with a high near 42.
Saturday Night
Partly cloudy, with a low around 31.
Sunday
A 30 percent chance of snow before 1pm. Mostly cloudy, with a high near 36.
Sunday Night
Partly cloudy, with a low around 19.
Monday
A 30 percent chance of snow after 1pm. Mostly cloudy, with a high near 26.
Monday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 19.
Tuesday
A chance of rain and snow. Mostly cloudy, with a high near 35. Chance of precipitation is 30%.
Tuesday Night
Rain likely. Mostly cloudy, with a low around 30. Chance of precipitation is 60%.
Wednesday
A 50 percent chance of rain. Partly sunny, with a high near 41.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Fishers Island NY
 41.27°N 72.01°W (Elev. 7 ft)
Last Update:
12:43 pm EST Feb 25, 2026
Forecast Valid:
5pm EST Feb 25, 2026-6pm EST Mar 4, 2026
 
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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