Current conditions at

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

Lat: 41.33°NLon: 72.05°WElev: 10ft.

Fair

88°F

31°C

Humidity 75%
Wind Speed W 9 mph
Barometer 30.03 in (1016.8 mb)
Dewpoint 79°F (26°C)
Visibility 10.00 mi
Heat Index103°F (39°C)
Last update 24 Jun 12:56 pm EDT
Extended Forecast for

Fishers Island NY

Heat Advisory June 24, 01:31pm until June 24, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory June 24, 01:31pm until June 24, 08:00pm

    NOW until 8:00pm Tue

    Heat Advisory

  • This Afternoon

    High: 79 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 71. West wind 6 to 10 mph.

    Low: 71 °F

    Mostly Clear

  • Wednesday

    Wednesday: A 40 percent chance of showers and thunderstorms, mainly after 2pm.  Mostly sunny, with a high near 81. Northwest wind 6 to 8 mph becoming southwest in the afternoon.

    High: 81 °F

    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 40 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 66. Northeast wind 5 to 7 mph.

    Low: 66 °F

    Chance
    T-storms

  • Thursday

    Thursday: A chance of showers and thunderstorms.  Partly sunny, with a steady temperature around 67. East wind around 11 mph.  Chance of precipitation is 40%.

    High: 67 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: A 30 percent chance of showers before 2am.  Mostly cloudy, with a low around 62.

    Low: 62 °F

    Chance
    Showers

  • Friday

    Friday: Mostly cloudy, with a high near 66.

    High: 66 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: A 30 percent chance of showers after 2am.  Mostly cloudy, with a low around 62.

    Low: 62 °F

    Mostly Cloudy
    then Chance
    Showers

Detailed Forecast

This Afternoon
Sunny, with a high near 79. Southwest wind around 10 mph.
Tonight
Mostly clear, with a low around 71. West wind 6 to 10 mph.
Wednesday
A 40 percent chance of showers and thunderstorms, mainly after 2pm. Mostly sunny, with a high near 81. Northwest wind 6 to 8 mph becoming southwest in the afternoon.
Wednesday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 66. Northeast wind 5 to 7 mph.
Thursday
A chance of showers and thunderstorms. Partly sunny, with a steady temperature around 67. East wind around 11 mph. Chance of precipitation is 40%.
Thursday Night
A 30 percent chance of showers before 2am. Mostly cloudy, with a low around 62.
Friday
Mostly cloudy, with a high near 66.
Friday Night
A 30 percent chance of showers after 2am. Mostly cloudy, with a low around 62.
Saturday
A 40 percent chance of showers. Mostly cloudy, with a high near 69.
Saturday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 66.
Sunday
Partly sunny, with a high near 73.
Sunday Night
Mostly cloudy, with a low around 67.
Monday
Partly sunny, with a high near 76.
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ABOUT THIS FORECAST

 
Point Forecast:
Fishers Island NY
 41.26°N 71.98°W (Elev. 0 ft)
6:48 am EDT Jun 24, 2025
1pm EDT Jun 24, 2025-6pm EDT Jun 30, 2025
 
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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