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.

A Few Clouds

28°F

-2°C

Humidity 60%
Wind Speed W 8 mph
Barometer 30.10 in (1019.3 mb)
Dewpoint 16°F (-9°C)
Visibility 10.00 mi
Wind Chill20°F (-7°C)
Last update 4 Jan 8:56 pm EST
Extended Forecast for

3 Miles WSW Fishers Island NY

  • Tonight

    Tonight: Partly cloudy, with a low around 23. Wind chill values between 10 and 15. Northwest wind 10 to 14 mph.

    Low: 23 °F

    Partly Cloudy

  • Monday

    Monday: A 20 percent chance of light snow after 1pm. Increasing clouds, with a high near 37. Wind chill values between 10 and 20. Northwest wind 6 to 8 mph becoming southeast in the afternoon.

    High: 37 °F

    Partly Sunny
    then Slight
    Chance Light
    Snow

  • Monday Night

    Monday Night: A slight chance of rain and snow before 1am. Cloudy, with a steady temperature around 36. South wind around 7 mph becoming northwest in the evening. Chance of precipitation is 20%.

    Low: 36 °F

    Slight Chance
    Rain/Snow

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 42. Northeast wind 6 to 8 mph.

    High: 42 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: A 50 percent chance of light rain. Cloudy, with a steady temperature around 40. East wind 8 to 10 mph becoming southwest after midnight.

    Low: 40 °F

    Chance Light
    Rain

  • Wednesday

    Wednesday: Partly sunny, with a high near 46.

    High: 46 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 35.

    Low: 35 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 43.

    High: 43 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 38.

    Low: 38 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 23. Wind chill values between 10 and 15. Northwest wind 10 to 14 mph.
Monday
A 20 percent chance of light snow after 1pm. Increasing clouds, with a high near 37. Wind chill values between 10 and 20. Northwest wind 6 to 8 mph becoming southeast in the afternoon.
Monday Night
A slight chance of rain and snow before 1am. Cloudy, with a steady temperature around 36. South wind around 7 mph becoming northwest in the evening. Chance of precipitation is 20%.
Tuesday
Mostly cloudy, with a high near 42. Northeast wind 6 to 8 mph.
Tuesday Night
A 50 percent chance of light rain. Cloudy, with a steady temperature around 40. East wind 8 to 10 mph becoming southwest after midnight.
Wednesday
Partly sunny, with a high near 46.
Wednesday Night
Mostly clear, with a low around 35.
Thursday
Mostly sunny, with a high near 43.
Thursday Night
Mostly cloudy, with a low around 38.
Friday
A 50 percent chance of rain. Cloudy, with a high near 47.
Friday Night
Rain likely. Cloudy, with a low around 42. Chance of precipitation is 60%.
Saturday
Rain likely. Mostly cloudy, with a high near 48. Breezy. Chance of precipitation is 60%.
Saturday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 37. Breezy.
Sunday
Mostly sunny, with a high near 40. Breezy.
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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:
3:08 pm EST Jan 4, 2026
Forecast Valid:
9pm EST Jan 4, 2026-6pm EST Jan 11, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation