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

31°F

-1°C

Humidity 59%
Wind Speed NW 8 mph
Barometer 30.00 in (1015.9 mb)
Dewpoint 18°F (-8°C)
Visibility 10.00 mi
Wind Chill24°F (-4°C)
Last update 13 Mar 4:56 am EDT
Extended Forecast for

Fishers Island NY

  • Today

    Today: Increasing clouds, with a high near 44. Northwest wind 8 to 13 mph becoming southwest in the afternoon.

    High: 44 °F

    Increasing
    Clouds

  • Tonight

    Tonight: A chance of rain between 11pm and 2am. Mostly cloudy, then gradually becoming mostly clear, with a low around 36. Breezy, with a south wind 16 to 20 mph. Chance of precipitation is 30%.

    Low: 36 °F

    Chance Rain
    and Breezy

  • Saturday

    Saturday: Sunny, with a high near 46. Windy, with a west wind 24 to 28 mph, with gusts as high as 38 mph.

    High: 46 °F

    Sunny and
    Windy

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 30. Wind chill values between 25 and 30. Northwest wind 9 to 17 mph.

    Low: 30 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 44. North wind 5 to 13 mph becoming southeast in the afternoon.

    High: 44 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Rain likely, mainly after 5am. Mostly cloudy, with a low around 37. Windy. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 37 °F

    Mostly Cloudy
    then Rain
    Likely and
    Windy

  • Monday

    Monday: Rain and possibly a thunderstorm. High near 54. Windy. Chance of precipitation is 100%.

    High: 54 °F

    Rain and
    Windy

  • Monday Night

    Monday Night: Rain. Low around 40. Very windy. Chance of precipitation is 90%.

    Low: 40 °F

    Rain and Very
    Windy

  • Tuesday

    Tuesday: Rain likely, mainly before 8am. Mostly sunny, with a high near 46. Windy. Chance of precipitation is 60%.

    High: 46 °F

    Rain Likely
    and Windy
    then Chance
    Rain and
    Breezy

Detailed Forecast

Today
Increasing clouds, with a high near 44. Northwest wind 8 to 13 mph becoming southwest in the afternoon.
Tonight
A chance of rain between 11pm and 2am. Mostly cloudy, then gradually becoming mostly clear, with a low around 36. Breezy, with a south wind 16 to 20 mph. Chance of precipitation is 30%.
Saturday
Sunny, with a high near 46. Windy, with a west wind 24 to 28 mph, with gusts as high as 38 mph.
Saturday Night
Partly cloudy, with a low around 30. Wind chill values between 25 and 30. Northwest wind 9 to 17 mph.
Sunday
Mostly cloudy, with a high near 44. North wind 5 to 13 mph becoming southeast in the afternoon.
Sunday Night
Rain likely, mainly after 5am. Mostly cloudy, with a low around 37. Windy. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday
Rain and possibly a thunderstorm. High near 54. Windy. Chance of precipitation is 100%.
Monday Night
Rain. Low around 40. Very windy. Chance of precipitation is 90%.
Tuesday
Rain likely, mainly before 8am. Mostly sunny, with a high near 46. Windy. Chance of precipitation is 60%.
Tuesday Night
Partly cloudy, with a low around 24. Breezy.
Wednesday
Sunny, with a high near 37.
Wednesday Night
Mostly cloudy, with a low around 28.
Thursday
Partly sunny, with a high near 42.
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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:
3:05 am EDT Mar 13, 2026
Forecast Valid:
5am EDT Mar 13, 2026-6pm EDT Mar 19, 2026
 
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Additional Resources

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Chance of Precipitation