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

58°F

14°C

Humidity 93%
Wind Speed S 7 mph
Barometer 30.08 in (1018.4 mb)
Dewpoint 56°F (13°C)
Visibility 10.00 mi
Last update 4 Nov 7:56 pm EST
Extended Forecast for

3 Miles WSW Fishers Island NY

  • Tonight

    Tonight: Mostly cloudy, with a low around 61. Southwest wind around 11 mph.

    Low: 61 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 66. South wind 11 to 16 mph.

    High: 66 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: A chance of rain, then rain and possibly a thunderstorm after 1am. Low around 63. Southwest wind 13 to 17 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 63 °F

    Chance Rain
    then Rain

  • Friday

    Friday: Rain and possibly a thunderstorm. High near 64. South wind 7 to 9 mph. Chance of precipitation is 80%. New rainfall amounts between 1 and 2 inches possible.

    High: 64 °F

    Rain

  • Friday Night

    Friday Night: Rain and possibly a thunderstorm before 1am, then a chance of rain. Low around 59. South wind 3 to 5 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 59 °F

    Rain

  • Saturday

    Saturday: Partly sunny, with a high near 63.

    High: 63 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A 30 percent chance of rain. Mostly cloudy, with a low around 52. Breezy.

    Low: 52 °F

    Chance Rain
    and Breezy

  • Sunday

    Sunday: Mostly sunny, with a high near 58. Breezy.

    High: 58 °F

    Mostly Sunny
    and Breezy

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 49. Breezy.

    Low: 49 °F

    Mostly Clear
    then Mostly
    Clear and
    Breezy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 61. Southwest wind around 11 mph.
Thursday
Partly sunny, with a high near 66. South wind 11 to 16 mph.
Thursday Night
A chance of rain, then rain and possibly a thunderstorm after 1am. Low around 63. Southwest wind 13 to 17 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Friday
Rain and possibly a thunderstorm. High near 64. South wind 7 to 9 mph. Chance of precipitation is 80%. New rainfall amounts between 1 and 2 inches possible.
Friday Night
Rain and possibly a thunderstorm before 1am, then a chance of rain. Low around 59. South wind 3 to 5 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Saturday
Partly sunny, with a high near 63.
Saturday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 52. Breezy.
Sunday
Mostly sunny, with a high near 58. Breezy.
Sunday Night
Mostly clear, with a low around 49. Breezy.
Monday
Sunny, with a high near 56. Breezy.
Monday Night
Mostly clear, with a low around 47.
Tuesday
Sunny, with a high near 59. Breezy.
Tuesday Night
Mostly clear, with a low around 48.
Veterans Day
Sunny, with a high near 57.
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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:
1:23 pm EST Nov 4, 2026
Forecast Valid:
8pm EST Nov 4, 2026-6pm EST Nov 11, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation