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.

Overcast

33°F

1°C

Humidity 92%
Wind Speed NW 3 mph
Barometer 29.78 in (1008.3 mb)
Dewpoint 31°F (-1°C)
Visibility 10.00 mi
Last update 21 Feb 4:56 am EST
Extended Forecast for

Fishers Island NY

Coastal Flood Watch February 22, 10:00pm until February 23, 06:00am
Blizzard Warning February 22, 06:00am until February 23, 06:00pm
Click here for hazard details and duration
Coastal Flood Watch
Blizzard Warning

  • Overnight

    Overnight: A 20 percent chance of snow. Mostly cloudy, with a low around 33. Northwest wind around 8 mph.

    Low: 33 °F

    Slight Chance
    Snow

  • Saturday

    Saturday: A slight chance of rain and snow after 4pm. Partly sunny, with a high near 38. Northwest wind 6 to 9 mph becoming southeast in the afternoon. Chance of precipitation is 20%.

    High: 38 °F

    Partly Sunny
    then Slight
    Chance
    Rain/Snow

  • Saturday Night

    Saturday Night: A slight chance of rain and snow before 1am, then a slight chance of snow after 4am. Mostly cloudy, with a low around 31. Wind chill values between 20 and 25. Northeast wind around 10 mph. Chance of precipitation is 20%.

    Low: 31 °F

    Slight Chance
    Rain/Snow
    then Slight
    Chance Snow

  • Sunday

    Sunday: A 50 percent chance of snow, mainly after 10am. Mostly cloudy, with a high near 34. Wind chill values between 20 and 25. Breezy, with an east wind 13 to 18 mph increasing to 20 to 25 mph in the afternoon.

    High: 34 °F

    Chance Snow
    and Breezy

  • Sunday Night

    Sunday Night: Snow. The snow could be heavy at times. Areas of blowing snow. Steady temperature around 33. Very windy, with a northeast wind 29 to 34 mph increasing to 38 to 43 mph after midnight. Chance of precipitation is 90%. New snow accumulation of 5 to 9 inches possible.

    Low: 33 °F

    Heavy Snow
    and Areas
    Blowing Snow

  • Monday

    Monday: Snow. The snow could be heavy at times. Areas of blowing snow. High near 32. Very windy. Chance of precipitation is 90%. New snow accumulation of 5 to 9 inches possible.

    High: 32 °F

    Heavy Snow
    and Areas
    Blowing Snow

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 26. Windy.

    Low: 26 °F

    Mostly Cloudy
    and Windy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 32.

    High: 32 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 22.

    Low: 22 °F

    Partly Cloudy

Detailed Forecast

Overnight
A 20 percent chance of snow. Mostly cloudy, with a low around 33. Northwest wind around 8 mph.
Saturday
A slight chance of rain and snow after 4pm. Partly sunny, with a high near 38. Northwest wind 6 to 9 mph becoming southeast in the afternoon. Chance of precipitation is 20%.
Saturday Night
A slight chance of rain and snow before 1am, then a slight chance of snow after 4am. Mostly cloudy, with a low around 31. Wind chill values between 20 and 25. Northeast wind around 10 mph. Chance of precipitation is 20%.
Sunday
A 50 percent chance of snow, mainly after 10am. Mostly cloudy, with a high near 34. Wind chill values between 20 and 25. Breezy, with an east wind 13 to 18 mph increasing to 20 to 25 mph in the afternoon.
Sunday Night
Snow. The snow could be heavy at times. Areas of blowing snow. Steady temperature around 33. Very windy, with a northeast wind 29 to 34 mph increasing to 38 to 43 mph after midnight. Chance of precipitation is 90%. New snow accumulation of 5 to 9 inches possible.
Monday
Snow. The snow could be heavy at times. Areas of blowing snow. High near 32. Very windy. Chance of precipitation is 90%. New snow accumulation of 5 to 9 inches possible.
Monday Night
Mostly cloudy, with a low around 26. Windy.
Tuesday
Mostly sunny, with a high near 32.
Tuesday Night
Partly cloudy, with a low around 22.
Wednesday
A 30 percent chance of rain after 1pm. Mostly cloudy, with a high near 37.
Wednesday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 34.
Thursday
A 50 percent chance of rain. Mostly cloudy, with a high near 41.
Thursday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 33.
Friday
A 30 percent chance of rain. Mostly sunny, with a high near 40.
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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:
3:41 am EST Feb 21, 2026
Forecast Valid:
5am EST Feb 21, 2026-6pm EST Feb 27, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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