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.

Fair

10°F

-12°C

Humidity 48%
Wind Speed W 8 G 21 mph
Barometer 30.06 in (1017.8 mb)
Dewpoint -6°F (-21°C)
Visibility 10.00 mi
Wind Chill-2°F (-19°C)
Last update 30 Jan 4:56 am EST
Extended Forecast for

Fishers Island NY

Cold Weather Advisory January 30, 05:38am until January 31, 10:00am
Click here for hazard details and duration
Cold Weather Advisory
  •  
    Cold Weather Advisory January 30, 05:38am until January 31, 10:00am

    NOW until 10:00am Sat

    Cold Weather Advisory

  • Today

    High: 20 °F

    Cold and
    Breezy

  • Tonight

    Tonight: Partly cloudy, with a low around 8. Wind chill values between -5 and zero. Northwest wind 10 to 18 mph.

    Low: 8 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 22. Wind chill values between -5 and 5. Northwest wind 5 to 9 mph.

    High: 22 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A 20 percent chance of snow after 1am. Mostly cloudy, with a low around 15. Wind chill values between zero and 10. Blustery, with a north wind 10 to 15 mph increasing to 18 to 23 mph after midnight. Winds could gust as high as 33 mph.

    Low: 15 °F

    Mostly Cloudy
    then Slight
    Chance Snow
    and Blustery

  • Sunday

    Sunday: Snow likely, mainly before 1pm. Cloudy, with a high near 25. Windy, with a north wind 24 to 28 mph, with gusts as high as 38 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 25 °F

    Snow Likely
    and Windy

  • Sunday Night

    Sunday Night: A 30 percent chance of snow before 1am. Mostly cloudy, with a low around 19. Blustery.

    Low: 19 °F

    Chance Snow
    and Blustery

  • Monday

    Monday: Mostly sunny, with a high near 31.

    High: 31 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 20.

    Low: 20 °F

    Partly Cloudy

Detailed Forecast

Today
Sunny and cold, with a high near 20. Wind chill values between -5 and zero. Breezy, with a west wind 21 to 23 mph.
Tonight
Partly cloudy, with a low around 8. Wind chill values between -5 and zero. Northwest wind 10 to 18 mph.
Saturday
Mostly sunny, with a high near 22. Wind chill values between -5 and 5. Northwest wind 5 to 9 mph.
Saturday Night
A 20 percent chance of snow after 1am. Mostly cloudy, with a low around 15. Wind chill values between zero and 10. Blustery, with a north wind 10 to 15 mph increasing to 18 to 23 mph after midnight. Winds could gust as high as 33 mph.
Sunday
Snow likely, mainly before 1pm. Cloudy, with a high near 25. Windy, with a north wind 24 to 28 mph, with gusts as high as 38 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Sunday Night
A 30 percent chance of snow before 1am. Mostly cloudy, with a low around 19. Blustery.
Monday
Mostly sunny, with a high near 31.
Monday Night
Partly cloudy, with a low around 20.
Tuesday
Mostly sunny, with a high near 32.
Tuesday Night
Mostly clear, with a low around 19.
Wednesday
Mostly sunny, with a high near 31.
Wednesday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 21.
Thursday
Mostly sunny, with a high near 31.
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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:
1:47 am EST Jan 30, 2026
Forecast Valid:
5am EST Jan 30, 2026-6pm EST Feb 5, 2026
 
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Additional Resources

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Chance of Precipitation