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.

Mostly Cloudy

69°F

21°C

Humidity 96%
Wind Speed Calm
Barometer 29.86 in (1011.1 mb)
Dewpoint 68°F (20°C)
Visibility 8.00 mi
Last update 18 Aug 7:56 am EDT
Extended Forecast for

2 Miles W Fishers Island NY

  • Today

    Today: Partly sunny, with a high near 78. Calm wind becoming southwest around 6 mph in the afternoon.

    High: 78 °F

    Partly Sunny

  • Tonight

    Tonight: A 20 percent chance of showers before 11pm. Partly cloudy, with a low around 70. West wind 3 to 5 mph.

    Low: 70 °F

    Slight Chance
    Showers then
    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 80. Light and variable wind becoming southwest 5 to 8 mph in the afternoon.

    High: 80 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 71. Southwest wind 6 to 8 mph.

    Low: 71 °F

    Mostly Clear

  • Thursday

    Thursday: A 30 percent chance of showers after 2pm. Mostly sunny, with a high near 78. Northwest wind around 6 mph becoming southwest in the afternoon.

    High: 78 °F

    Mostly Sunny
    then Chance
    Showers

  • Thursday Night

    Thursday Night: A 40 percent chance of showers before 2am. Mostly cloudy, with a low around 68.

    Low: 68 °F

    Chance
    Showers

  • Friday

    Friday: Partly sunny, with a high near 77.

    High: 77 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 68.

    Low: 68 °F

    Mostly Cloudy

  • Saturday

    Saturday: A 40 percent chance of showers. Partly sunny, with a high near 75.

    High: 75 °F

    Chance
    Showers

Detailed Forecast

Today
Partly sunny, with a high near 78. Calm wind becoming southwest around 6 mph in the afternoon.
Tonight
A 20 percent chance of showers before 11pm. Partly cloudy, with a low around 70. West wind 3 to 5 mph.
Wednesday
Sunny, with a high near 80. Light and variable wind becoming southwest 5 to 8 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 71. Southwest wind 6 to 8 mph.
Thursday
A 30 percent chance of showers after 2pm. Mostly sunny, with a high near 78. Northwest wind around 6 mph becoming southwest in the afternoon.
Thursday Night
A 40 percent chance of showers before 2am. Mostly cloudy, with a low around 68.
Friday
Partly sunny, with a high near 77.
Friday Night
Mostly cloudy, with a low around 68.
Saturday
A 40 percent chance of showers. Partly sunny, with a high near 75.
Saturday Night
Showers likely, mainly before 2am. Mostly cloudy, with a low around 69. Chance of precipitation is 60%.
Sunday
A 50 percent chance of showers. Mostly cloudy, with a high near 75.
Sunday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 68.
Monday
Mostly sunny, with a high near 76.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles W Fishers Island NY
 41.27°N 72.01°W (Elev. 7 ft)
Last Update:
5:37 am EDT Aug 18, 2026
Forecast Valid:
8am EDT Aug 18, 2026-6pm EDT Aug 24, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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