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.

Light Rain Fog/Mist

40°F

4°C

Humidity 89%
Wind Speed NE 14 mph
Barometer 30.45 in (1031.2 mb)
Dewpoint 37°F (3°C)
Visibility 6.00 mi
Wind Chill32°F (0°C)
Last update 2 Apr 9:56 am EDT
Extended Forecast for

Fishers Island NY

  • Today

    Today: Showers likely before 11am. Mostly cloudy, with a high near 43. Northeast wind 16 to 18 mph. Chance of precipitation is 70%.

    High: 43 °F

    Showers
    Likely then
    Mostly Cloudy

  • Tonight

    Tonight: A chance of drizzle or light rain, mainly after 2am. Patchy fog. Otherwise, cloudy, with a low around 39. East wind 10 to 16 mph. Chance of precipitation is 30%.

    Low: 39 °F

    Chance Light
    Rain and
    Patchy Fog

  • Friday

    Friday: A chance of drizzle or light rain, mainly before 11am. Areas of fog before 2pm. Otherwise, mostly cloudy, with a high near 50. East wind 6 to 8 mph. Chance of precipitation is 30%.

    High: 50 °F

    Chance Light
    Rain and
    Areas Fog

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 48. Southeast wind 11 to 15 mph becoming southwest after midnight.

    Low: 48 °F

    Mostly Cloudy

  • Saturday

    Saturday: A 20 percent chance of showers. Partly sunny, with a high near 55. Northwest wind 5 to 15 mph becoming east in the afternoon.

    High: 55 °F

    Slight Chance
    Showers

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 43.

    Low: 43 °F

    Mostly Cloudy

  • Sunday

    Sunday: Showers. High near 52. Breezy. Chance of precipitation is 90%.

    High: 52 °F

    Showers and
    Breezy

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 41.

    Low: 41 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 49.

    High: 49 °F

    Mostly Sunny

Detailed Forecast

Today
Showers likely before 11am. Mostly cloudy, with a high near 43. Northeast wind 16 to 18 mph. Chance of precipitation is 70%.
Tonight
A chance of drizzle or light rain, mainly after 2am. Patchy fog. Otherwise, cloudy, with a low around 39. East wind 10 to 16 mph. Chance of precipitation is 30%.
Friday
A chance of drizzle or light rain, mainly before 11am. Areas of fog before 2pm. Otherwise, mostly cloudy, with a high near 50. East wind 6 to 8 mph. Chance of precipitation is 30%.
Friday Night
Mostly cloudy, with a low around 48. Southeast wind 11 to 15 mph becoming southwest after midnight.
Saturday
A 20 percent chance of showers. Partly sunny, with a high near 55. Northwest wind 5 to 15 mph becoming east in the afternoon.
Saturday Night
Mostly cloudy, with a low around 43.
Sunday
Showers. High near 52. Breezy. Chance of precipitation is 90%.
Sunday Night
Mostly cloudy, with a low around 41.
Monday
Mostly sunny, with a high near 49.
Monday Night
Mostly clear, with a low around 38.
Tuesday
A 30 percent chance of showers. Mostly sunny, with a high near 45.
Tuesday Night
A 30 percent chance of showers. Partly cloudy, with a low around 34.
Wednesday
Sunny, with a high near 43.
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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:
2:20 am EDT Apr 2, 2026
Forecast Valid:
10am EDT Apr 2, 2026-6pm EDT Apr 8, 2026
 
Forecast Discussion
 
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Additional Resources

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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