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

37°F

3°C

Humidity 79%
Wind Speed N 3 mph
Barometer 30.23 in (1023.6 mb)
Dewpoint 31°F (-1°C)
Visibility 10.00 mi
Last update 3 Nov 4:56 am EST
Extended Forecast for

3 Miles WSW Fishers Island NY

  • Today

    Today: Rain likely, mainly after 4pm. Mostly cloudy, with a high near 58. South wind 7 to 15 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 58 °F

    Slight Chance
    Rain then
    Rain Likely

  • Tonight

    Tonight: Rain likely and possibly a thunderstorm before 10pm, then a slight chance of rain between 10pm and 1am. Cloudy during the early evening, then gradual clearing, with a low around 49. Breezy, with a southwest wind 17 to 25 mph becoming northwest after midnight. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 49 °F

    Breezy. Rain
    Likely then
    Slight Chance
    Rain

  • Tuesday

    Tuesday: Sunny, with a high near 57. Breezy, with a west wind 22 to 25 mph.

    High: 57 °F

    Sunny and
    Breezy

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 49. Breezy, with a west wind 13 to 20 mph.

    Low: 49 °F

    Mostly Clear
    and Breezy
    then Mostly
    Clear

  • Wednesday

    Wednesday: Partly sunny, with a high near 60. Breezy, with a southwest wind 9 to 14 mph increasing to 18 to 23 mph in the afternoon.

    High: 60 °F

    Mostly Sunny
    then Partly
    Sunny and
    Breezy

  • Wednesday Night

    Wednesday Night: A chance of rain before 1am, then a chance of showers after 4am. Mostly cloudy, with a low around 47. Windy. Chance of precipitation is 40%.

    Low: 47 °F

    Chance Rain
    and Windy

  • Thursday

    Thursday: A 30 percent chance of showers before 7am. Sunny, with a high near 53. Windy.

    High: 53 °F

    Chance
    Showers and
    Windy then
    Sunny and
    Breezy

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 42.

    Low: 42 °F

    Mostly Clear

  • Friday

    Friday: Partly sunny, with a high near 59. Breezy.

    High: 59 °F

    Mostly Sunny
    then Partly
    Sunny and
    Breezy

Detailed Forecast

Today
Rain likely, mainly after 4pm. Mostly cloudy, with a high near 58. South wind 7 to 15 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
Rain likely and possibly a thunderstorm before 10pm, then a slight chance of rain between 10pm and 1am. Cloudy during the early evening, then gradual clearing, with a low around 49. Breezy, with a southwest wind 17 to 25 mph becoming northwest after midnight. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday
Sunny, with a high near 57. Breezy, with a west wind 22 to 25 mph.
Tuesday Night
Mostly clear, with a low around 49. Breezy, with a west wind 13 to 20 mph.
Wednesday
Partly sunny, with a high near 60. Breezy, with a southwest wind 9 to 14 mph increasing to 18 to 23 mph in the afternoon.
Wednesday Night
A chance of rain before 1am, then a chance of showers after 4am. Mostly cloudy, with a low around 47. Windy. Chance of precipitation is 40%.
Thursday
A 30 percent chance of showers before 7am. Sunny, with a high near 53. Windy.
Thursday Night
Mostly clear, with a low around 42.
Friday
Partly sunny, with a high near 59. Breezy.
Friday Night
Rain likely, mainly after 1am. Mostly cloudy, with a low around 54. Windy. Chance of precipitation is 60%.
Saturday
A 30 percent chance of rain. Partly sunny, with a high near 59.
Saturday Night
Mostly cloudy, with a low around 46.
Sunday
A 40 percent chance of rain. Partly sunny, with a high near 54.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WSW Fishers Island NY
 41.25°N 72.04°W (Elev. 0 ft)
Last Update:
1:07 am EST Nov 3, 2025
Forecast Valid:
5am EST Nov 3, 2025-6pm EST Nov 9, 2025
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation