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

55°F

13°C

Humidity 55%
Wind Speed N 15 mph
Barometer 29.93 in (1013.5 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Wind Chill51°F (11°C)
Last update 17 Oct 11:56 am EDT
Extended Forecast for

Fishers Island NY

  • This Afternoon

    This Afternoon: Sunny, with a high near 61. North wind around 14 mph.

    High: 61 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 45. North wind around 11 mph.

    Low: 45 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 61. North wind 5 to 8 mph becoming west in the afternoon.

    High: 61 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a steady temperature around 59. Southwest wind 5 to 7 mph.

    Low: 59 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 65. South wind 10 to 18 mph.

    High: 65 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Showers, mainly after 2am. Steady temperature around 63. Breezy. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 63 °F

    Breezy.
    Chance
    Showers then
    Showers

  • Monday

    Monday: Showers, mainly before 2pm. High near 63. Breezy. Chance of precipitation is 80%.

    High: 63 °F

    Showers and
    Breezy

  • Monday Night

    Monday Night: A 30 percent chance of showers before 2am. Partly cloudy, with a low around 55.

    Low: 55 °F

    Chance
    Showers

  • Tuesday

    Tuesday: Mostly sunny, with a high near 63.

    High: 63 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 61. North wind around 14 mph.
Tonight
Clear, with a low around 45. North wind around 11 mph.
Saturday
Sunny, with a high near 61. North wind 5 to 8 mph becoming west in the afternoon.
Saturday Night
Partly cloudy, with a steady temperature around 59. Southwest wind 5 to 7 mph.
Sunday
Mostly sunny, with a high near 65. South wind 10 to 18 mph.
Sunday Night
Showers, mainly after 2am. Steady temperature around 63. Breezy. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday
Showers, mainly before 2pm. High near 63. Breezy. Chance of precipitation is 80%.
Monday Night
A 30 percent chance of showers before 2am. Partly cloudy, with a low around 55.
Tuesday
Mostly sunny, with a high near 63.
Tuesday Night
A 50 percent chance of showers after 8pm. Mostly cloudy, with a low around 54.
Wednesday
A 30 percent chance of showers. Partly sunny, with a high near 60.
Wednesday Night
Partly cloudy, with a low around 51.
Thursday
Mostly sunny, with a high near 59.
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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:
7:59 am EDT Oct 17, 2025
Forecast Valid:
12pm EDT Oct 17, 2025-6pm EDT Oct 23, 2025
 
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