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.

Fair

62°F

17°C

Humidity 93%
Wind Speed Calm
Barometer 30.23 in (1023.5 mb)
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Last update 8 Sep 11:56 pm EDT
Extended Forecast for

3 Miles WSW Fishers Island NY

  • Overnight

    Overnight: Mostly cloudy, with a low around 68. Light and variable wind.

    Low: 68 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 75. Light south wind increasing to 10 to 15 mph in the morning.

    High: 75 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 72. Windy, with a southwest wind 21 to 26 mph.

    Low: 72 °F

    Partly Cloudy
    and Windy

  • Thursday

    Thursday: A 30 percent chance of showers, mainly after 2pm. Partly sunny, with a high near 77. Southwest wind 14 to 18 mph.

    High: 77 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: A 50 percent chance of showers before 2am. Mostly cloudy, with a low around 66. West wind 7 to 9 mph becoming northwest after midnight.

    Low: 66 °F

    Chance
    Showers

  • Friday

    Friday: Sunny, with a high near 72.

    High: 72 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 62.

    Low: 62 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 70.

    High: 70 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 67.

    Low: 67 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 68. Light and variable wind.
Wednesday
Mostly sunny, with a high near 75. Light south wind increasing to 10 to 15 mph in the morning.
Wednesday Night
Partly cloudy, with a low around 72. Windy, with a southwest wind 21 to 26 mph.
Thursday
A 30 percent chance of showers, mainly after 2pm. Partly sunny, with a high near 77. Southwest wind 14 to 18 mph.
Thursday Night
A 50 percent chance of showers before 2am. Mostly cloudy, with a low around 66. West wind 7 to 9 mph becoming northwest after midnight.
Friday
Sunny, with a high near 72.
Friday Night
Mostly clear, with a low around 62.
Saturday
Sunny, with a high near 70.
Saturday Night
Partly cloudy, with a low around 67.
Sunday
Mostly sunny, with a high near 73.
Sunday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 68.
Monday
Mostly sunny, with a high near 74.
Monday Night
Partly cloudy, with a low around 64.
Tuesday
Mostly sunny, with a high near 71.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WSW Fishers Island NY
 41.25°N 72.04°W (Elev. 0 ft)
Last Update:
2:19 pm EDT Sep 8, 2026
Forecast Valid:
12am EDT Sep 9, 2026-6pm EDT Sep 15, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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