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

54°F

12°C

Humidity 97%
Wind Speed N 6 mph
Barometer 30.23 in (1023.7 mb)
Dewpoint 53°F (12°C)
Visibility 10.00 mi
Wind Chill52°F (11°C)
Last update 19 Aug 4:56 am EDT
Extended Forecast for

Fishers Island NY

  • Today

    Today: Mostly sunny, with a high near 71. Northeast wind around 10 mph becoming east in the afternoon.

    High: 71 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 65. Southeast wind 7 to 9 mph.

    Low: 65 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A 40 percent chance of showers. Partly sunny, with a high near 71. East wind 9 to 14 mph.

    High: 71 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A 50 percent chance of showers. Mostly cloudy, with a low around 64. East wind around 16 mph.

    Low: 64 °F

    Chance
    Showers

  • Thursday

    Thursday: A 20 percent chance of showers before 2pm. Partly sunny, with a high near 73. Breezy, with a northeast wind around 21 mph.

    High: 73 °F

    Slight Chance
    Showers and
    Breezy

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 62. Breezy.

    Low: 62 °F

    Partly Cloudy
    and Breezy

  • Friday

    Friday: Mostly sunny, with a high near 75. Breezy.

    High: 75 °F

    Mostly Sunny
    and Breezy
    then Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 66.

    Low: 66 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 74.

    High: 74 °F

    Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 71. Northeast wind around 10 mph becoming east in the afternoon.
Tonight
Partly cloudy, with a low around 65. Southeast wind 7 to 9 mph.
Wednesday
A 40 percent chance of showers. Partly sunny, with a high near 71. East wind 9 to 14 mph.
Wednesday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 64. East wind around 16 mph.
Thursday
A 20 percent chance of showers before 2pm. Partly sunny, with a high near 73. Breezy, with a northeast wind around 21 mph.
Thursday Night
Partly cloudy, with a low around 62. Breezy.
Friday
Mostly sunny, with a high near 75. Breezy.
Friday Night
Mostly clear, with a low around 66.
Saturday
Sunny, with a high near 74.
Saturday Night
Mostly clear, with a low around 69.
Sunday
Mostly sunny, with a high near 74.
Sunday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 69.
Monday
A 30 percent chance of showers. Partly sunny, with a high near 75.
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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:
4:58 am EDT Aug 19, 2025
Forecast Valid:
5am EDT Aug 19, 2025-6pm EDT Aug 25, 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