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.

Partly Cloudy

24°F

-4°C

Humidity 38%
Wind Speed W 8 mph
Barometer 30.14 in (1020.6 mb)
Dewpoint 2°F (-17°C)
Visibility 10.00 mi
Wind Chill15°F (-9°C)
Last update 9 Feb 10:56 pm EST
Extended Forecast for

Conning Towers-Nautilus Park CT

  • Tonight

    Tonight: Partly cloudy, with a low around 18. Northwest wind 5 to 7 mph.

    Low: 18 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A 30 percent chance of snow after 1pm. Increasing clouds, with a high near 35. Wind chill values between 20 and 30. Calm wind becoming south 5 to 8 mph in the afternoon.

    High: 35 °F

    Partly Sunny
    then Chance
    Snow

  • Tuesday Night

    Tuesday Night: Rain and snow likely before 1am, then a chance of rain between 1am and 4am, then a chance of rain and snow after 4am. Cloudy, then gradually becoming partly cloudy, with a low around 30. South wind around 7 mph becoming west after midnight. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Low: 30 °F

    Rain/Snow
    Likely

  • Wednesday

    Wednesday: A chance of rain and snow before 7am. Mostly sunny, with a high near 38. Wind chill values between 25 and 30. West wind 9 to 16 mph. Chance of precipitation is 30%.

    High: 38 °F

    Chance
    Rain/Snow
    then Partly
    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 24. Northwest wind around 15 mph.

    Low: 24 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 34.

    High: 34 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 21.

    Low: 21 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 34.

    High: 34 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 21.

    Low: 21 °F

    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 18. Northwest wind 5 to 7 mph.
Tuesday
A 30 percent chance of snow after 1pm. Increasing clouds, with a high near 35. Wind chill values between 20 and 30. Calm wind becoming south 5 to 8 mph in the afternoon.
Tuesday Night
Rain and snow likely before 1am, then a chance of rain between 1am and 4am, then a chance of rain and snow after 4am. Cloudy, then gradually becoming partly cloudy, with a low around 30. South wind around 7 mph becoming west after midnight. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Wednesday
A chance of rain and snow before 7am. Mostly sunny, with a high near 38. Wind chill values between 25 and 30. West wind 9 to 16 mph. Chance of precipitation is 30%.
Wednesday Night
Partly cloudy, with a low around 24. Northwest wind around 15 mph.
Thursday
Mostly sunny, with a high near 34.
Thursday Night
Partly cloudy, with a low around 21.
Friday
Mostly sunny, with a high near 34.
Friday Night
Partly cloudy, with a low around 21.
Saturday
Sunny, with a high near 36.
Saturday Night
Partly cloudy, with a low around 22.
Sunday
A chance of rain and snow. Mostly cloudy, with a high near 37. Chance of precipitation is 30%.
Sunday Night
Rain likely. Cloudy, with a low around 32. Chance of precipitation is 60%.
Washington's Birthday
Rain likely. Mostly cloudy, with a high near 41. Chance of precipitation is 60%.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Conning Towers-Nautilus Park CT
 41.36°N 72.08°W (Elev. 79 ft)
Last Update:
11:17 pm EST Feb 9, 2026
Forecast Valid:
11pm EST Feb 9, 2026-6pm EST Feb 16, 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