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 and Breezy

26°F

-3°C

Humidity 48%
Wind Speed NW 22 G 33 mph
Barometer 30.13 in (1020.2 mb)
Dewpoint 9°F (-13°C)
Visibility 10.00 mi
Wind Chill12°F (-11°C)
Last update 23 Jan 6:56 pm EST
Extended Forecast for

Fishers Island NY

Cold Weather Advisory January 23, 10:00pm 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

  • Tonight

    Tonight: Mostly cloudy during the early evening, then gradual clearing, with a low around 9. Wind chill values between -10 and zero. Windy, with a northwest wind 25 to 31 mph, with gusts as high as 43 mph.

    Low: 9 °F

    Gradual
    Clearing and
    Windy

  • Saturday

    Saturday: Mostly sunny and cold, with a high near 18. Wind chill values between -10 and zero. Blustery, with a northwest wind 14 to 24 mph.

    High: 18 °F

    Sunny and
    Blustery then
    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 14. Wind chill values between zero and 5. Northwest wind 8 to 14 mph.

    Low: 14 °F

    Mostly Cloudy

  • Sunday

    Sunday: Snow. The snow could be heavy at times. High near 31. Wind chill values between zero and 10. Blustery, with a northeast wind 9 to 14 mph increasing to 18 to 23 mph in the afternoon. Chance of precipitation is 100%. New snow accumulation of 6 to 10 inches possible.

    High: 31 °F

    Heavy Snow
    and Blustery

  • Sunday Night

    Sunday Night: Snow before 1am, then snow and sleet. The snow could be heavy at times. Temperature rising to around 32 by 2am. Windy, with a northeast wind 25 to 32 mph. Chance of precipitation is 100%. New snow and sleet accumulation of 3 to 7 inches possible.

    Low: 28 °F⇑

    Windy. Heavy
    Snow then
    Snow/Sleet

  • Monday

    Monday: Snow likely. Cloudy, with a temperature falling to around 28 by 5pm. Breezy. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

    High: 32 °F⇓

    Snow Likely
    and Breezy

  • Monday Night

    Monday Night: A 30 percent chance of snow before 1am. Mostly cloudy, then gradually becoming mostly clear, with a low around 16. Windy.

    Low: 16 °F

    Chance Snow
    and Windy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 23. Breezy.

    High: 23 °F

    Sunny and
    Breezy then
    Partly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 14. Breezy.

    Low: 14 °F

    Mostly Cloudy
    and Breezy
    then Partly
    Cloudy

Detailed Forecast

Tonight
Mostly cloudy during the early evening, then gradual clearing, with a low around 9. Wind chill values between -10 and zero. Windy, with a northwest wind 25 to 31 mph, with gusts as high as 43 mph.
Saturday
Mostly sunny and cold, with a high near 18. Wind chill values between -10 and zero. Blustery, with a northwest wind 14 to 24 mph.
Saturday Night
Mostly cloudy, with a low around 14. Wind chill values between zero and 5. Northwest wind 8 to 14 mph.
Sunday
Snow. The snow could be heavy at times. High near 31. Wind chill values between zero and 10. Blustery, with a northeast wind 9 to 14 mph increasing to 18 to 23 mph in the afternoon. Chance of precipitation is 100%. New snow accumulation of 6 to 10 inches possible.
Sunday Night
Snow before 1am, then snow and sleet. The snow could be heavy at times. Temperature rising to around 32 by 2am. Windy, with a northeast wind 25 to 32 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 28 by 5pm. Breezy. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
Monday Night
A 30 percent chance of snow before 1am. Mostly cloudy, then gradually becoming mostly clear, with a low around 16. Windy.
Tuesday
Mostly sunny, with a high near 23. Breezy.
Tuesday Night
Partly cloudy, with a low around 14. Breezy.
Wednesday
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 24. 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:
12:58 pm EST Jan 23, 2026
Forecast Valid:
7pm EST Jan 23, 2026-6pm EST Jan 30, 2026
 
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Additional Resources

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Chance of Precipitation