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.

Fog/Mist

73°F

23°C

Humidity 100%
Wind Speed S 3 mph
Barometer 30.08 in (1018.7 mb)
Dewpoint 73°F (23°C)
Visibility 1.00 mi
Last update 15 Jul 7:56 am EDT
Extended Forecast for

Fishers Island NY

  • Today

    Today: A 40 percent chance of showers and thunderstorms, mainly before 11am. Patchy fog before 9am. Otherwise, cloudy through mid morning, then gradual clearing, with a high near 79. South wind 5 to 9 mph.

    High: 79 °F

    Chance
    Showers and
    Patchy Fog
    then Slight
    Chance
    T-storms

  • Tonight

    Tonight: Patchy fog after 11pm. Otherwise, partly cloudy, with a low around 72. South wind 5 to 8 mph becoming calm after midnight.

    Low: 72 °F

    Patchy Fog

  • Wednesday

    Wednesday: Patchy fog before 9am. Otherwise, partly sunny, with a high near 79. South wind 5 to 10 mph.

    High: 79 °F

    Patchy Fog
    then Mostly
    Sunny

  • Wednesday Night

    Wednesday Night: A 40 percent chance of showers and thunderstorms, mainly after 2am. Increasing clouds, with a low around 73. Southwest wind 8 to 10 mph.

    Low: 73 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Thursday

    Thursday: A 30 percent chance of showers and thunderstorms, mainly before 2pm. Partly sunny, with a high near 80. Southwest wind 9 to 14 mph.

    High: 80 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 75.

    Low: 75 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 82.

    High: 82 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 68.

    Low: 68 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 76.

    High: 76 °F

    Mostly Sunny

Detailed Forecast

Today
A 40 percent chance of showers and thunderstorms, mainly before 11am. Patchy fog before 9am. Otherwise, cloudy through mid morning, then gradual clearing, with a high near 79. South wind 5 to 9 mph.
Tonight
Patchy fog after 11pm. Otherwise, partly cloudy, with a low around 72. South wind 5 to 8 mph becoming calm after midnight.
Wednesday
Patchy fog before 9am. Otherwise, partly sunny, with a high near 79. South wind 5 to 10 mph.
Wednesday Night
A 40 percent chance of showers and thunderstorms, mainly after 2am. Increasing clouds, with a low around 73. Southwest wind 8 to 10 mph.
Thursday
A 30 percent chance of showers and thunderstorms, mainly before 2pm. Partly sunny, with a high near 80. Southwest wind 9 to 14 mph.
Thursday Night
Partly cloudy, with a low around 75.
Friday
Mostly sunny, with a high near 82.
Friday Night
Mostly cloudy, with a low around 68.
Saturday
Mostly sunny, with a high near 76.
Saturday Night
Mostly cloudy, with a low around 68.
Sunday
A 40 percent chance of showers. Partly sunny, with a high near 76.
Sunday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 70.
Monday
Partly sunny, with a high near 77.
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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:
6:03 am EDT Jul 15, 2025
Forecast Valid:
8am EDT Jul 15, 2025-6pm EDT Jul 21, 2025
 
Forecast Discussion
 
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