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

60°F

16°C

Humidity 96%
Wind Speed Calm
Barometer 30.24 in (1024.0 mb)
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 9 Sep 6:56 am EDT
Extended Forecast for

3 Miles WSW Fishers Island NY

  • Today

    Today: Mostly sunny, with a high near 75. Light southeast wind becoming south 9 to 14 mph in the morning. Winds could gust as high as 24 mph.

    High: 75 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 72. Breezy, with a southwest wind 20 to 24 mph.

    Low: 72 °F

    Partly Cloudy
    and Breezy

  • Thursday

    Thursday: A 20 percent chance of showers before 11am. Mostly sunny, with a high near 78. West wind 14 to 18 mph.

    High: 78 °F

    Slight Chance
    Showers then
    Mostly Sunny

  • Thursday Night

    Thursday Night: A 30 percent chance of showers before 2am. Increasing clouds, with a low around 66. Northwest wind 7 to 9 mph.

    Low: 66 °F

    Chance
    Showers

  • Friday

    Friday: Sunny, with a high near 72. Northwest wind 7 to 10 mph.

    High: 72 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 62.

    Low: 62 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 71.

    High: 71 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A 30 percent chance of showers after 2am. Partly cloudy, with a low around 67.

    Low: 67 °F

    Partly Cloudy
    then Chance
    Showers

  • Sunday

    Sunday: A 30 percent chance of showers before 2pm. Partly sunny, with a high near 74.

    High: 74 °F

    Chance
    Showers

Detailed Forecast

Today
Mostly sunny, with a high near 75. Light southeast wind becoming south 9 to 14 mph in the morning. Winds could gust as high as 24 mph.
Tonight
Partly cloudy, with a low around 72. Breezy, with a southwest wind 20 to 24 mph.
Thursday
A 20 percent chance of showers before 11am. Mostly sunny, with a high near 78. West wind 14 to 18 mph.
Thursday Night
A 30 percent chance of showers before 2am. Increasing clouds, with a low around 66. Northwest wind 7 to 9 mph.
Friday
Sunny, with a high near 72. Northwest wind 7 to 10 mph.
Friday Night
Mostly clear, with a low around 62.
Saturday
Mostly sunny, with a high near 71.
Saturday Night
A 30 percent chance of showers after 2am. Partly cloudy, with a low around 67.
Sunday
A 30 percent chance of showers before 2pm. Partly sunny, with a high near 74.
Sunday Night
Mostly cloudy, with a low around 68.
Monday
Mostly sunny, with a high near 75.
Monday Night
Partly cloudy, with a low around 66.
Tuesday
Mostly sunny, with a high near 73.
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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:
5:33 am EDT Sep 9, 2026
Forecast Valid:
7am EDT Sep 9, 2026-6pm EDT Sep 15, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation