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

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

Lat: 41.33°NLon: 72.05°WElev: 10ft.

Fair

43°F

6°C

Humidity 71%
Wind Speed SW 8 mph
Barometer 30.17 in (1021.5 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Wind Chill38°F (3°C)
Last update 8 Jan 10:56 am EST
Extended Forecast for

3 Miles WSW Fishers Island NY

  • Today

    Today: Sunny, with a high near 41. West wind 8 to 10 mph.

    High: 41 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 34. Northwest wind around 5 mph becoming calm in the evening.

    Low: 34 °F

    Partly Cloudy

  • Friday

    Friday: A 20 percent chance of rain after 4pm. Partly sunny, with a high near 47. South wind 6 to 16 mph.

    High: 47 °F

    Partly Sunny
    then Slight
    Chance Rain

  • Friday Night

    Friday Night: Rain likely, mainly between 7pm and 1am. Cloudy, with a steady temperature around 46. West wind 11 to 18 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 46 °F

    Rain Likely

  • Saturday

    Saturday: Rain, mainly after 1pm. High near 46. Northwest wind 7 to 11 mph becoming east in the afternoon. Chance of precipitation is 80%. New precipitation amounts between a half and three quarters of an inch possible.

    High: 46 °F

    Chance Rain
    then Rain

  • Saturday Night

    Saturday Night: Rain. Low around 43. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 43 °F

    Rain

  • Sunday

    Sunday: A 50 percent chance of showers. Cloudy, with a high near 46.

    High: 46 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 33. Breezy.

    Low: 33 °F

    Partly Cloudy
    and Breezy

  • Monday

    Monday: Sunny, with a high near 38. Breezy.

    High: 38 °F

    Sunny and
    Breezy

Detailed Forecast

Today
Sunny, with a high near 41. West wind 8 to 10 mph.
Tonight
Partly cloudy, with a low around 34. Northwest wind around 5 mph becoming calm in the evening.
Friday
A 20 percent chance of rain after 4pm. Partly sunny, with a high near 47. South wind 6 to 16 mph.
Friday Night
Rain likely, mainly between 7pm and 1am. Cloudy, with a steady temperature around 46. West wind 11 to 18 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday
Rain, mainly after 1pm. High near 46. Northwest wind 7 to 11 mph becoming east in the afternoon. Chance of precipitation is 80%. New precipitation amounts between a half and three quarters of an inch possible.
Saturday Night
Rain. Low around 43. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Sunday
A 50 percent chance of showers. Cloudy, with a high near 46.
Sunday Night
Partly cloudy, with a low around 33. Breezy.
Monday
Sunny, with a high near 38. Breezy.
Monday Night
Partly cloudy, with a low around 35.
Tuesday
Mostly sunny, with a high near 41.
Tuesday Night
Partly cloudy, with a low around 38.
Wednesday
Mostly cloudy, with a high near 44.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WSW Fishers Island NY
 41.25°N 72.04°W (Elev. 0 ft)
Last Update:
5:02 am EST Jan 8, 2026
Forecast Valid:
11am EST Jan 8, 2026-6pm EST Jan 14, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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