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.

Overcast

52°F

11°C

Humidity 93%
Wind Speed SE 7 mph
Barometer 30.01 in (1016.0 mb)
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Wind Chill50°F (10°C)
Last update 17 Apr 8:56 pm EDT
Extended Forecast for

Fishers Island NY

  • Tonight

    Tonight: Partly cloudy, with a low around 49. Northeast wind 6 to 8 mph.

    Low: 49 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 54. East wind 9 to 11 mph.

    High: 54 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 46. Southeast wind 5 to 9 mph.

    Low: 46 °F

    Mostly Cloudy

  • Sunday

    Sunday: Showers. High near 52. Southeast wind 8 to 18 mph becoming northwest in the afternoon. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 52 °F

    Showers

  • Sunday Night

    Sunday Night: Showers, mainly before 8pm. Low around 39. Northwest wind 10 to 16 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 39 °F

    Showers then
    Chance
    Showers

  • Monday

    Monday: Mostly sunny, with a high near 47.

    High: 47 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 36.

    Low: 36 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 46.

    High: 46 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 42.

    Low: 42 °F

    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 49. Northeast wind 6 to 8 mph.
Saturday
Mostly cloudy, with a high near 54. East wind 9 to 11 mph.
Saturday Night
Mostly cloudy, with a low around 46. Southeast wind 5 to 9 mph.
Sunday
Showers. High near 52. Southeast wind 8 to 18 mph becoming northwest in the afternoon. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday Night
Showers, mainly before 8pm. Low around 39. Northwest wind 10 to 16 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Monday
Mostly sunny, with a high near 47.
Monday Night
Partly cloudy, with a low around 36.
Tuesday
Sunny, with a high near 46.
Tuesday Night
Partly cloudy, with a low around 42.
Wednesday
Partly sunny, with a high near 54.
Wednesday Night
Partly cloudy, with a low around 44.
Thursday
Sunny, with a high near 54.
Thursday Night
Partly cloudy, with a low around 45.
Friday
Mostly sunny, with a high near 54.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Fishers Island NY
 41.27°N 72.01°W (Elev. 7 ft)
Last Update:
2:24 pm EDT Apr 17, 2026
Forecast Valid:
9pm EDT Apr 17, 2026-6pm EDT Apr 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