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

6°F

-14°C

Humidity 28%
Wind Speed NW 18 G 28 mph
Barometer 30.56 in (1034.7 mb)
Dewpoint -20°F (-29°C)
Visibility 10.00 mi
Wind Chill-13°F (-25°C)
Last update 24 Jan 7:56 am EST
Extended Forecast for

Fishers Island NY

Cold Weather Advisory January 24, 08:23am until January 24, 12:00pm
Winter Storm Warning January 25, 03:00am until January 26, 06:00pm
Click here for hazard details and duration
Cold Weather Advisory
Winter Storm Warning
  •  
    Cold Weather Advisory January 24, 08:23am until January 24, 12:00pm

    NOW until 12:00pm Sat

    Cold Weather Advisory

  • Today

    High: 16 °F

    Mostly Sunny
    and Blustery
    then Mostly
    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 13. Wind chill values between zero and 5. Northwest wind 8 to 14 mph.

    Low: 13 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Snow. The snow could be heavy at times. High near 32. Wind chill values between zero and 10. Breezy, with a northeast wind 8 to 13 mph increasing to 16 to 21 mph in the afternoon. Chance of precipitation is 100%. New snow accumulation of 5 to 9 inches possible.

    High: 32 °F

    Heavy Snow
    and Breezy

  • Sunday Night

    Sunday Night: Snow before 10pm, then snow and sleet between 10pm and 4am, then snow after 4am. The snow could be heavy at times. Temperature rising to around 32 by 3am. Wind chill values between 15 and 20. Windy, with a northeast wind 23 to 29 mph, with gusts as high as 44 mph. Chance of precipitation is 100%. New snow and sleet accumulation of 3 to 7 inches possible.

    Low: 28 °F⇑

    Snow/Sleet
    and Windy

  • Monday

    Monday: Snow likely. Cloudy, with a temperature falling to around 27 by 5pm. Northeast wind 15 to 18 mph, with gusts as high as 31 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    High: 32 °F⇓

    Snow Likely

  • Monday Night

    Monday Night: A 30 percent chance of snow before 1am. Mostly cloudy, then gradually becoming mostly clear, with a low around 15. Blustery.

    Low: 15 °F

    Chance Snow
    and Blustery

  • Tuesday

    Tuesday: Mostly sunny, with a high near 22. Breezy.

    High: 22 °F

    Mostly Sunny
    and Breezy
    then Partly
    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 15. Breezy.

    Low: 15 °F

    Partly Cloudy
    and Breezy
    then Partly
    Cloudy

Detailed Forecast

Today
Mostly sunny and cold, with a high near 16. Wind chill values between -10 and zero. Blustery, with a northwest wind 14 to 20 mph.
Tonight
Increasing clouds, with a low around 13. Wind chill values between zero and 5. Northwest wind 8 to 14 mph.
Sunday
Snow. The snow could be heavy at times. High near 32. Wind chill values between zero and 10. Breezy, with a northeast wind 8 to 13 mph increasing to 16 to 21 mph in the afternoon. Chance of precipitation is 100%. New snow accumulation of 5 to 9 inches possible.
Sunday Night
Snow before 10pm, then snow and sleet between 10pm and 4am, then snow after 4am. The snow could be heavy at times. Temperature rising to around 32 by 3am. Wind chill values between 15 and 20. Windy, with a northeast wind 23 to 29 mph, with gusts as high as 44 mph. Chance of precipitation is 100%. New snow and sleet accumulation of 3 to 7 inches possible.
Monday
Snow likely. Cloudy, with a temperature falling to around 27 by 5pm. Northeast wind 15 to 18 mph, with gusts as high as 31 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Monday Night
A 30 percent chance of snow before 1am. Mostly cloudy, then gradually becoming mostly clear, with a low around 15. Blustery.
Tuesday
Mostly sunny, with a high near 22. Breezy.
Tuesday Night
Partly cloudy, with a low around 15. Breezy.
Wednesday
Mostly sunny, with a high near 24.
Wednesday Night
Mostly cloudy, with a low around 14.
Thursday
Partly sunny, with a high near 22.
Thursday Night
Partly cloudy, with a low around 11. Blustery.
Friday
Mostly sunny, with a high near 23. Blustery.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Fishers Island NY
 41.27°N 72.01°W (Elev. 7 ft)
Last Update:
1:05 am EST Jan 24, 2026
Forecast Valid:
8am EST Jan 24, 2026-6pm EST Jan 30, 2026
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation