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

33°F

1°C

Humidity 30%
Wind Speed N 13 G 23 mph
Barometer 30.34 in (1027.3 mb)
Dewpoint 5°F (-15°C)
Visibility 10.00 mi
Wind Chill24°F (-4°C)
Last update 28 Mar 8:56 am EDT
Extended Forecast for

Fishers Island NY

  • Today

    Today: Partly sunny, with a high near 39. Wind chill values between 25 and 30. Northwest wind around 14 mph, with gusts as high as 24 mph.

    High: 39 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 29. Northwest wind 8 to 11 mph, with gusts as high as 23 mph.

    Low: 29 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 42. Wind chill values between 25 and 30. Southwest wind 6 to 11 mph increasing to 13 to 18 mph in the afternoon.

    High: 42 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 41. Breezy, with a southwest wind 18 to 21 mph.

    Low: 41 °F

    Mostly Cloudy
    and Breezy

  • Monday

    Monday: Mostly cloudy, with a high near 50. Southwest wind 15 to 17 mph.

    High: 50 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 45.

    Low: 45 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A chance of rain between 8am and 2pm. Mostly cloudy, with a high near 53. Breezy. Chance of precipitation is 30%.

    High: 53 °F

    Chance Rain
    and Breezy

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 50. Windy.

    Low: 50 °F

    Partly Cloudy
    and Windy

  • Wednesday

    Wednesday: A 50 percent chance of rain after 2pm. Mostly sunny, with a high near 56. Breezy.

    High: 56 °F

    Breezy.
    Mostly Sunny
    then Chance
    Rain

Detailed Forecast

Today
Partly sunny, with a high near 39. Wind chill values between 25 and 30. Northwest wind around 14 mph, with gusts as high as 24 mph.
Tonight
Mostly clear, with a low around 29. Northwest wind 8 to 11 mph, with gusts as high as 23 mph.
Sunday
Mostly sunny, with a high near 42. Wind chill values between 25 and 30. Southwest wind 6 to 11 mph increasing to 13 to 18 mph in the afternoon.
Sunday Night
Mostly cloudy, with a low around 41. Breezy, with a southwest wind 18 to 21 mph.
Monday
Mostly cloudy, with a high near 50. Southwest wind 15 to 17 mph.
Monday Night
Mostly cloudy, with a low around 45.
Tuesday
A chance of rain between 8am and 2pm. Mostly cloudy, with a high near 53. Breezy. Chance of precipitation is 30%.
Tuesday Night
Partly cloudy, with a low around 50. Windy.
Wednesday
A 50 percent chance of rain after 2pm. Mostly sunny, with a high near 56. Breezy.
Wednesday Night
Rain likely, mainly between 8pm and 2am. Mostly cloudy, with a low around 42. Chance of precipitation is 70%.
Thursday
A 40 percent chance of rain. Mostly cloudy, with a high near 45.
Thursday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 37. Breezy.
Friday
A chance of rain and snow. Cloudy, with a high near 41. Breezy. Chance of precipitation is 50%.
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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:
4:58 am EDT Mar 28, 2026
Forecast Valid:
9am EDT Mar 28, 2026-6pm EDT Apr 3, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation