National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Groton / New London, Groton / New London Airport (KGON)

Lat: 41.33°NLon: 72.05°WElev: 10ft.

Fair

65°F

18°C

Humidity 56%
Wind Speed W 7 mph
Barometer 29.67 in (1004.7 mb)
Dewpoint 49°F (9°C)
Visibility 10.00 mi
Last update 20 Jun 12:56 am EDT
Extended Forecast for

Fishers Island NY

  • Overnight

    Overnight: Clear, with a low around 64. West wind 15 to 17 mph.

    Low: 64 °F

    Clear

  • Saturday

    Saturday: Increasing clouds, with a high near 71. Breezy, with a west wind 17 to 20 mph, with gusts as high as 31 mph.

    High: 71 °F

    Sunny and
    Breezy then
    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, then gradually becoming clear, with a low around 64. West wind 7 to 10 mph, with gusts as high as 20 mph.

    Low: 64 °F

    Decreasing
    Clouds

  • Sunday

    Sunday: Increasing clouds, with a high near 75. Northwest wind 7 to 13 mph becoming southwest in the afternoon.

    High: 75 °F

    Increasing
    Clouds

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 62. West wind 5 to 8 mph becoming calm after midnight.

    Low: 62 °F

    Partly Cloudy

  • Monday

    Monday: Showers and possibly a thunderstorm. High near 71. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.

    High: 71 °F

    Showers
    Likely then
    Showers

  • Monday Night

    Monday Night: Showers and possibly a thunderstorm before 2am, then a chance of showers. Low around 64. Breezy. Chance of precipitation is 90%.

    Low: 64 °F

    Showers and
    Breezy

  • Tuesday

    Tuesday: A 30 percent chance of showers before 8am. Mostly sunny, with a high near 73.

    High: 73 °F

    Chance
    Showers then
    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 64.

    Low: 64 °F

    Mostly Clear

Detailed Forecast

Overnight
Clear, with a low around 64. West wind 15 to 17 mph.
Saturday
Increasing clouds, with a high near 71. Breezy, with a west wind 17 to 20 mph, with gusts as high as 31 mph.
Saturday Night
Mostly cloudy, then gradually becoming clear, with a low around 64. West wind 7 to 10 mph, with gusts as high as 20 mph.
Sunday
Increasing clouds, with a high near 75. Northwest wind 7 to 13 mph becoming southwest in the afternoon.
Sunday Night
Partly cloudy, with a low around 62. West wind 5 to 8 mph becoming calm after midnight.
Monday
Showers and possibly a thunderstorm. High near 71. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.
Monday Night
Showers and possibly a thunderstorm before 2am, then a chance of showers. Low around 64. Breezy. Chance of precipitation is 90%.
Tuesday
A 30 percent chance of showers before 8am. Mostly sunny, with a high near 73.
Tuesday Night
Mostly clear, with a low around 64.
Wednesday
Sunny, with a high near 73.
Wednesday Night
Mostly clear, with a low around 64.
Thursday
Mostly sunny, with a high near 71.
Thursday Night
Partly cloudy, with a low around 64.
Friday
Mostly sunny, with a high near 71.
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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:
4:47 pm EDT Jun 19, 2026
Forecast Valid:
1am EDT Jun 20, 2026-6pm EDT Jun 26, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation