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.

Overcast

42°F

6°C

Humidity 85%
Wind Speed NW 6 mph
Barometer 29.73 in (1006.8 mb)
Dewpoint 38°F (3°C)
Visibility 10.00 mi
Wind Chill38°F (3°C)
Last update 11 Jan 10:56 am EST
Extended Forecast for

Fishers Island NY

  • Today

    Today: A chance of rain before 1pm, then a slight chance of snow showers after 4pm. Cloudy early, then gradual clearing, with a high near 42. West wind 9 to 16 mph. Chance of precipitation is 30%.

    High: 42 °F

    Chance
    Rain/Snow

  • Tonight

    Tonight: A 30 percent chance of snow showers, mainly between 7pm and 10pm. Partly cloudy, with a low around 31. Wind chill values between 20 and 30. Windy, with a west wind 20 to 30 mph, with gusts as high as 44 mph.

    Low: 31 °F

    Windy. Chance
    Snow Showers
    then Partly
    Cloudy

  • Monday

    Monday: Sunny, with a high near 39. Wind chill values between 20 and 30. Breezy, with a west wind 16 to 21 mph.

    High: 39 °F

    Sunny and
    Breezy then
    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 35. West wind 13 to 16 mph.

    Low: 35 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Increasing clouds, with a high near 42. West wind 10 to 14 mph.

    High: 42 °F

    Increasing
    Clouds

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 40.

    Low: 40 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Cloudy, with a high near 46.

    High: 46 °F

    Cloudy

  • Wednesday Night

    Wednesday Night: A 30 percent chance of rain after 1am. Cloudy, with a low around 35.

    Low: 35 °F

    Cloudy then
    Chance Rain

  • Thursday

    Thursday: A 30 percent chance of rain after 1pm. Mostly cloudy, with a high near 39.

    High: 39 °F

    Mostly Cloudy
    then Chance
    Rain

Detailed Forecast

Today
A chance of rain before 1pm, then a slight chance of snow showers after 4pm. Cloudy early, then gradual clearing, with a high near 42. West wind 9 to 16 mph. Chance of precipitation is 30%.
Tonight
A 30 percent chance of snow showers, mainly between 7pm and 10pm. Partly cloudy, with a low around 31. Wind chill values between 20 and 30. Windy, with a west wind 20 to 30 mph, with gusts as high as 44 mph.
Monday
Sunny, with a high near 39. Wind chill values between 20 and 30. Breezy, with a west wind 16 to 21 mph.
Monday Night
Partly cloudy, with a low around 35. West wind 13 to 16 mph.
Tuesday
Increasing clouds, with a high near 42. West wind 10 to 14 mph.
Tuesday Night
Mostly cloudy, with a low around 40.
Wednesday
Cloudy, with a high near 46.
Wednesday Night
A 30 percent chance of rain after 1am. Cloudy, with a low around 35.
Thursday
A 30 percent chance of rain after 1pm. Mostly cloudy, with a high near 39.
Thursday Night
A chance of rain before 1am, then a chance of snow. Mostly cloudy, with a low around 25. Chance of precipitation is 30%.
Friday
Partly sunny, with a high near 33.
Friday Night
Partly cloudy, with a low around 28.
Saturday
Mostly sunny, with a high near 37.
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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:
1:40 am EST Jan 11, 2026
Forecast Valid:
11am EST Jan 11, 2026-6pm EST Jan 17, 2026
 
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Additional Resources

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Chance of Precipitation