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

39°F

4°C

Humidity 57%
Wind Speed NW 12 G 18 mph
Barometer 29.74 in (1007.1 mb)
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Wind Chill32°F (0°C)
Last update 11 Jan 6:56 pm EST
Extended Forecast for

Fishers Island NY

  • Tonight

    Tonight: A 20 percent chance of snow showers before 10pm. Partly cloudy, with a low around 31. Wind chill values between 20 and 30. Windy, with a west wind 18 to 28 mph, with gusts as high as 41 mph.

    Low: 31 °F

    Windy. Slight
    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 17 to 21 mph.

    High: 39 °F

    Sunny and
    Breezy then
    Mostly Sunny

  • Monday Night

    Monday Night: 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. Southwest wind 10 to 13 mph.

    High: 43 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a temperature rising to around 43 by 4am. Southwest wind 13 to 17 mph.

    Low: 40 °F⇑

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 45.

    High: 45 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: A 30 percent chance of rain. Cloudy, with a low around 39.

    Low: 39 °F

    Chance Rain

  • Thursday

    Thursday: A 40 percent chance of rain. Mostly cloudy, with a high near 42.

    High: 42 °F

    Chance Rain

  • Thursday Night

    Thursday Night: A chance of rain before 1am, then a chance of rain and snow. Mostly cloudy, with a low around 26. Blustery. Chance of precipitation is 50%.

    Low: 26 °F

    Blustery.
    Chance Rain
    then Chance
    Rain/Snow

Detailed Forecast

Tonight
A 20 percent chance of snow showers before 10pm. Partly cloudy, with a low around 31. Wind chill values between 20 and 30. Windy, with a west wind 18 to 28 mph, with gusts as high as 41 mph.
Monday
Sunny, with a high near 39. Wind chill values between 20 and 30. Breezy, with a west wind 17 to 21 mph.
Monday Night
Mostly clear, with a low around 35. West wind 14 to 17 mph.
Tuesday
Sunny, with a high near 43. Southwest wind 10 to 13 mph.
Tuesday Night
Mostly cloudy, with a temperature rising to around 43 by 4am. Southwest wind 13 to 17 mph.
Wednesday
Mostly cloudy, with a high near 45.
Wednesday Night
A 30 percent chance of rain. Cloudy, with a low around 39.
Thursday
A 40 percent chance of rain. Mostly cloudy, with a high near 42.
Thursday Night
A chance of rain before 1am, then a chance of rain and snow. Mostly cloudy, with a low around 26. Blustery. Chance of precipitation is 50%.
Friday
A 30 percent chance of snow before 1pm. Partly sunny, with a high near 34. Breezy.
Friday Night
Partly cloudy, with a low around 29.
Saturday
Mostly sunny, with a high near 38.
Saturday Night
Mostly cloudy, with a low around 31.
Sunday
A 40 percent chance of rain. Partly 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:
1:42 pm EST Jan 11, 2026
Forecast Valid:
7pm EST Jan 11, 2026-6pm EST Jan 18, 2026
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation