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

45°F

7°C

Humidity 100%
Wind Speed SE 6 mph
Barometer 29.82 in (1009.9 mb)
Dewpoint 45°F (7°C)
Visibility 1.75 mi
Wind Chill42°F (6°C)
Last update 19 Apr 5:56 am EDT
Extended Forecast for

Fishers Island NY

Freeze Watch April 21, 12:00am until April 21, 09:00am
Click here for hazard details and duration
Freeze Watch

  • Today

    Today: Showers. Patchy fog before 8am. High near 52. Breezy, with a southeast wind 8 to 13 mph becoming northwest 15 to 20 mph in the afternoon. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 52 °F

    Showers and
    Patchy Fog

  • Tonight

    Tonight: Showers likely before 8pm. Mostly cloudy during the early evening, then gradual clearing, with a low around 41. West wind 8 to 14 mph. Chance of precipitation is 60%.

    Low: 41 °F

    Showers
    Likely then
    Clear

  • Monday

    Monday: A 30 percent chance of showers, mainly after 2pm. Partly sunny, with a high near 47. West wind 6 to 10 mph.

    High: 47 °F

    Chance
    Showers

  • Monday Night

    Monday Night: A 30 percent chance of showers before 8pm. Partly cloudy, with a low around 34. Northwest wind 10 to 13 mph.

    Low: 34 °F

    Chance
    Showers then
    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 46. North wind 5 to 10 mph becoming southwest in the afternoon.

    High: 46 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Increasing clouds, with a steady temperature around 44.

    Low: 44 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 50.

    High: 50 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 43.

    Low: 43 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 57.

    High: 57 °F

    Mostly Sunny

Detailed Forecast

Today
Showers. Patchy fog before 8am. High near 52. Breezy, with a southeast wind 8 to 13 mph becoming northwest 15 to 20 mph in the afternoon. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Tonight
Showers likely before 8pm. Mostly cloudy during the early evening, then gradual clearing, with a low around 41. West wind 8 to 14 mph. Chance of precipitation is 60%.
Monday
A 30 percent chance of showers, mainly after 2pm. Partly sunny, with a high near 47. West wind 6 to 10 mph.
Monday Night
A 30 percent chance of showers before 8pm. Partly cloudy, with a low around 34. Northwest wind 10 to 13 mph.
Tuesday
Sunny, with a high near 46. North wind 5 to 10 mph becoming southwest in the afternoon.
Tuesday Night
Increasing clouds, with a steady temperature around 44.
Wednesday
Mostly cloudy, with a high near 50.
Wednesday Night
Partly cloudy, with a low around 43.
Thursday
Mostly sunny, with a high near 57.
Thursday Night
Partly cloudy, with a low around 46.
Friday
Mostly sunny, with a high near 54.
Friday Night
Partly cloudy, with a low around 45.
Saturday
Mostly sunny, with a high near 53.
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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:
4:26 am EDT Apr 19, 2026
Forecast Valid:
6am EDT Apr 19, 2026-6pm EDT Apr 25, 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