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

36°F

2°C

Humidity 97%
Wind Speed S 5 mph
Barometer 30.24 in (1023.9 mb)
Dewpoint 35°F (2°C)
Visibility 0.75 mi
Wind Chill32°F (0°C)
Last update 7 Mar 8:56 am EST
Extended Forecast for

Fishers Island NY

Dense Fog Advisory until March 7, 10:00am
Click here for hazard details and duration
...
  •  
    Dense Fog Advisory until March 7, 10:00am

    NOW until 10:00am Sat

    Dense Fog Advisory

  • Today

    High: 42 °F

    Areas Drizzle
    and Areas Fog

  • Tonight

    Tonight: A 50 percent chance of showers after 10pm. Areas of fog before 4am. Otherwise, cloudy, with a low around 41. Southwest wind 11 to 16 mph.

    Low: 41 °F

    Chance
    Showers and
    Areas Fog

  • Sunday

    Sunday: A 30 percent chance of rain. Cloudy, with a high near 49. Southwest wind 9 to 14 mph.

    High: 49 °F

    Chance Rain

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 37. West wind 6 to 8 mph.

    Low: 37 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 48. Southwest wind 6 to 14 mph.

    High: 48 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 40.

    Low: 40 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 51.

    High: 51 °F

    Partly Sunny

  • Tuesday Night

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

    Low: 41 °F

    Mostly Cloudy

Detailed Forecast

Today
Areas of drizzle before 1pm. Areas of fog. Otherwise, cloudy, with a high near 42. South wind 6 to 9 mph.
Tonight
A 50 percent chance of showers after 10pm. Areas of fog before 4am. Otherwise, cloudy, with a low around 41. Southwest wind 11 to 16 mph.
Sunday
A 30 percent chance of rain. Cloudy, with a high near 49. Southwest wind 9 to 14 mph.
Sunday Night
Mostly clear, with a low around 37. West wind 6 to 8 mph.
Monday
Sunny, with a high near 48. Southwest wind 6 to 14 mph.
Monday Night
Partly cloudy, with a low around 40.
Tuesday
Partly sunny, with a high near 51.
Tuesday Night
Mostly cloudy, with a low around 41.
Wednesday
A 40 percent chance of rain. Cloudy, with a high near 49.
Wednesday Night
A 50 percent chance of rain. Cloudy, with a low around 44. Breezy.
Thursday
A 50 percent chance of rain. Mostly cloudy, with a high near 48. Breezy.
Thursday Night
Partly cloudy, with a low around 31. Breezy.
Friday
Partly sunny, with a high near 41.
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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:
2:47 am EST Mar 7, 2026
Forecast Valid:
9am EST Mar 7, 2026-6pm EDT Mar 13, 2026
 
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