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

35°F

2°C

Humidity 78%
Wind Speed W 6 mph
Barometer 29.81 in (1009.5 mb)
Dewpoint 29°F (-2°C)
Visibility 10.00 mi
Wind Chill30°F (-1°C)
Last update 12 Mar 6:56 pm EDT
Extended Forecast for

Fishers Island NY

  • Tonight

    Tonight: Snow, mainly before 8pm. Low around 32. Wind chill values between 20 and 25. Breezy, with a northwest wind 16 to 21 mph. Chance of precipitation is 90%. Total nighttime snow accumulation of less than a half inch possible.

    Low: 32 °F

    Breezy. Snow
    then Mostly
    Clear

  • Friday

    Friday: Increasing clouds, with a high near 43. Wind chill values between 25 and 30. West wind 9 to 16 mph becoming south in the afternoon.

    High: 43 °F

    Increasing
    Clouds

  • Friday Night

    Friday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 39. Breezy, with a south wind 21 to 23 mph.

    Low: 39 °F

    Decreasing
    Clouds and
    Breezy

  • Saturday

    Saturday: Sunny, with a high near 45. Windy, with a west wind 25 to 29 mph.

    High: 45 °F

    Sunny and
    Windy

  • Saturday Night

    Saturday Night: Increasing clouds, with a low around 33. West wind 8 to 17 mph.

    Low: 33 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Mostly cloudy, with a high near 43.

    High: 43 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Rain likely after 2am. Cloudy, with a low around 39. Breezy. Chance of precipitation is 70%.

    Low: 39 °F

    Breezy.
    Cloudy then
    Rain Likely

  • Monday

    Monday: Rain and possibly a thunderstorm. High near 53. Windy. Chance of precipitation is 100%.

    High: 53 °F

    Rain and
    Windy

  • Monday Night

    Monday Night: Rain, mainly before 2am. Low around 39. Windy. Chance of precipitation is 90%.

    Low: 39 °F

    Rain and
    Windy

Detailed Forecast

Tonight
Snow, mainly before 8pm. Low around 32. Wind chill values between 20 and 25. Breezy, with a northwest wind 16 to 21 mph. Chance of precipitation is 90%. Total nighttime snow accumulation of less than a half inch possible.
Friday
Increasing clouds, with a high near 43. Wind chill values between 25 and 30. West wind 9 to 16 mph becoming south in the afternoon.
Friday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 39. Breezy, with a south wind 21 to 23 mph.
Saturday
Sunny, with a high near 45. Windy, with a west wind 25 to 29 mph.
Saturday Night
Increasing clouds, with a low around 33. West wind 8 to 17 mph.
Sunday
Mostly cloudy, with a high near 43.
Sunday Night
Rain likely after 2am. Cloudy, with a low around 39. Breezy. Chance of precipitation is 70%.
Monday
Rain and possibly a thunderstorm. High near 53. Windy. Chance of precipitation is 100%.
Monday Night
Rain, mainly before 2am. Low around 39. Windy. Chance of precipitation is 90%.
Tuesday
A 30 percent chance of rain before 8am. Partly sunny, with a high near 42. Breezy.
Tuesday Night
Partly cloudy, with a low around 28. Breezy.
Wednesday
Sunny, with a high near 35.
Wednesday Night
Partly cloudy, with a low around 30.
Thursday
Mostly sunny, with a high near 39.
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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:
6:03 pm EDT Mar 12, 2026
Forecast Valid:
7pm EDT Mar 12, 2026-6pm EDT Mar 19, 2026
 
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Additional Resources

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