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

34°F

1°C

Humidity 48%
Wind Speed W 12 mph
Barometer 30.13 in (1020.4 mb)
Dewpoint 16°F (-9°C)
Visibility 10.00 mi
Wind Chill25°F (-4°C)
Last update 12 Jan 9:56 am EST
Extended Forecast for

Fishers Island NY

  • Today

    Today: Mostly sunny, with a high near 39. Wind chill values between 25 and 30. West wind around 18 mph, with gusts as high as 30 mph.

    High: 39 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 35. West wind 14 to 17 mph.

    Low: 35 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 43. West wind 11 to 14 mph.

    High: 43 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a temperature rising to around 42 by 11pm. Southwest wind 15 to 18 mph.

    Low: 39 °F⇑

    Mostly Cloudy

  • Wednesday

    Wednesday: A 20 percent chance of showers. Mostly cloudy, with a high near 44. Southwest wind 11 to 15 mph.

    High: 44 °F

    Slight Chance
    Showers

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers. Cloudy, with a steady temperature around 41.

    Low: 41 °F

    Chance
    Showers

  • Thursday

    Thursday: A 40 percent chance of rain. Mostly cloudy, with a high near 43.

    High: 43 °F

    Chance Rain

  • Thursday Night

    Thursday Night: A 50 percent chance of snow. Mostly cloudy, with a low around 27. Blustery.

    Low: 27 °F

    Chance Snow
    and Blustery

  • Friday

    Friday: A 30 percent chance of snow before 1pm. Partly sunny, with a high near 34.

    High: 34 °F

    Chance Snow

Detailed Forecast

Today
Mostly sunny, with a high near 39. Wind chill values between 25 and 30. West wind around 18 mph, with gusts as high as 30 mph.
Tonight
Mostly clear, with a low around 35. West wind 14 to 17 mph.
Tuesday
Sunny, with a high near 43. West wind 11 to 14 mph.
Tuesday Night
Mostly cloudy, with a temperature rising to around 42 by 11pm. Southwest wind 15 to 18 mph.
Wednesday
A 20 percent chance of showers. Mostly cloudy, with a high near 44. Southwest wind 11 to 15 mph.
Wednesday Night
A 30 percent chance of showers. Cloudy, with a steady temperature around 41.
Thursday
A 40 percent chance of rain. Mostly cloudy, with a high near 43.
Thursday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 27. Blustery.
Friday
A 30 percent chance of snow before 1pm. Partly sunny, with a high near 34.
Friday Night
Partly cloudy, with a low around 28.
Saturday
Mostly sunny, with a high near 40.
Saturday Night
Mostly cloudy, with a low around 32.
Sunday
A 30 percent chance of snow showers. Partly sunny, with a high near 38.
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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:
5:36 am EST Jan 12, 2026
Forecast Valid:
10am EST Jan 12, 2026-6pm EST Jan 18, 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