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

45°F

7°C

Humidity 90%
Wind Speed SE 7 mph
Barometer 30.28 in (1025.1 mb)
Dewpoint 42°F (6°C)
Visibility 10.00 mi
Wind Chill41°F (5°C)
Last update 13 Apr 2:56 am EDT
Extended Forecast for

Fishers Island NY

  • Overnight

    Overnight: Mostly cloudy, with a steady temperature around 46. South wind around 13 mph.

    Low: 46 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 54. Breezy, with a southwest wind 17 to 22 mph, with gusts as high as 32 mph.

    High: 54 °F

    Mostly Cloudy
    and Breezy

  • Monday Night

    Monday Night: Partly cloudy, with a low around 50. Breezy, with a west wind 15 to 20 mph decreasing to 9 to 14 mph after midnight.

    Low: 50 °F

    Partly Cloudy
    and Breezy
    then Partly
    Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 59. South wind 6 to 10 mph.

    High: 59 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers before 2am. Mostly cloudy, with a low around 50. Southwest wind 9 to 11 mph.

    Low: 50 °F

    Slight Chance
    Showers

  • Wednesday

    Wednesday: Mostly sunny, with a high near 62.

    High: 62 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A chance of showers between 8pm and 2am. Mostly cloudy, with a low around 54. Chance of precipitation is 40%.

    Low: 54 °F

    Chance
    Showers

  • Thursday

    Thursday: Mostly cloudy, with a high near 61.

    High: 61 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 52.

    Low: 52 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a steady temperature around 46. South wind around 13 mph.
Monday
Mostly cloudy, with a high near 54. Breezy, with a southwest wind 17 to 22 mph, with gusts as high as 32 mph.
Monday Night
Partly cloudy, with a low around 50. Breezy, with a west wind 15 to 20 mph decreasing to 9 to 14 mph after midnight.
Tuesday
Mostly sunny, with a high near 59. South wind 6 to 10 mph.
Tuesday Night
A 20 percent chance of showers before 2am. Mostly cloudy, with a low around 50. Southwest wind 9 to 11 mph.
Wednesday
Mostly sunny, with a high near 62.
Wednesday Night
A chance of showers between 8pm and 2am. Mostly cloudy, with a low around 54. Chance of precipitation is 40%.
Thursday
Mostly cloudy, with a high near 61.
Thursday Night
Mostly cloudy, with a low around 52.
Friday
Partly sunny, with a high near 64.
Friday Night
Partly cloudy, with a low around 51.
Saturday
Mostly sunny, with a high near 57.
Saturday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 50.
Sunday
A 40 percent chance of showers. Mostly cloudy, with a high near 58.
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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:
3:02 am EDT Apr 13, 2026
Forecast Valid:
3am EDT Apr 13, 2026-6pm EDT Apr 19, 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