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

26°F

-3°C

Humidity 35%
Wind Speed SW 9 mph
Barometer 30.64 in (1037.3 mb)
Dewpoint 2°F (-17°C)
Visibility 10.00 mi
Wind Chill17°F (-8°C)
Last update 2 Mar 4:56 pm EST
Extended Forecast for

Conning Towers-Nautilus Park CT

  • Tonight

    Tonight: Mostly clear, with a low around 18. Calm wind.

    Low: 18 °F

    Mostly Clear

  • Tuesday

    Tuesday: A chance of snow before 11am, then rain and snow between 11am and 4pm, then rain after 4pm. High near 37. Wind chill values between 20 and 30. Calm wind becoming southeast 5 to 7 mph in the afternoon. Chance of precipitation is 90%. Little or no snow accumulation expected.

    High: 37 °F

    Chance
    Rain/Snow
    then
    Rain/Snow

  • Tuesday Night

    Tuesday Night: Rain. Low around 35. Light and variable wind becoming southwest around 5 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 35 °F

    Rain

  • Wednesday

    Wednesday: Mostly cloudy, then gradually becoming sunny, with a high near 50. Light and variable wind.

    High: 50 °F

    Decreasing
    Clouds

  • Wednesday Night

    Wednesday Night: A chance of rain between 1am and 4am, then a chance of freezing rain after 4am. Mostly cloudy, with a low around 31. Calm wind. Chance of precipitation is 30%.

    Low: 31 °F

    Mostly Cloudy
    then Chance
    Rain/Freezing
    Rain

  • Thursday

    Thursday: A chance of freezing rain before 7am, then a chance of rain. Cloudy, with a high near 46. Chance of precipitation is 30%.

    High: 46 °F

    Chance
    Rain/Freezing
    Rain then
    Chance Rain

  • Thursday Night

    Thursday Night: Rain likely, mainly after 1am. Cloudy, with a low around 36. Chance of precipitation is 70%.

    Low: 36 °F

    Chance Rain
    then Rain
    Likely

  • Friday

    Friday: A 50 percent chance of rain. Mostly cloudy, with a high near 44.

    High: 44 °F

    Chance Rain

  • Friday Night

    Friday Night: Cloudy, with a low around 34.

    Low: 34 °F

    Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 18. Calm wind.
Tuesday
A chance of snow before 11am, then rain and snow between 11am and 4pm, then rain after 4pm. High near 37. Wind chill values between 20 and 30. Calm wind becoming southeast 5 to 7 mph in the afternoon. Chance of precipitation is 90%. Little or no snow accumulation expected.
Tuesday Night
Rain. Low around 35. Light and variable wind becoming southwest around 5 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday
Mostly cloudy, then gradually becoming sunny, with a high near 50. Light and variable wind.
Wednesday Night
A chance of rain between 1am and 4am, then a chance of freezing rain after 4am. Mostly cloudy, with a low around 31. Calm wind. Chance of precipitation is 30%.
Thursday
A chance of freezing rain before 7am, then a chance of rain. Cloudy, with a high near 46. Chance of precipitation is 30%.
Thursday Night
Rain likely, mainly after 1am. Cloudy, with a low around 36. Chance of precipitation is 70%.
Friday
A 50 percent chance of rain. Mostly cloudy, with a high near 44.
Friday Night
Cloudy, with a low around 34.
Saturday
Mostly cloudy, with a high near 49.
Saturday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 42.
Sunday
A 30 percent chance of rain. Mostly cloudy, with a high near 58.
Sunday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 42.
Monday
Mostly cloudy, with a high near 57.
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
 41.39°N 72.07°W (Elev. 200 ft)
Last Update:
1:04 pm EST Mar 2, 2026
Forecast Valid:
5pm EST Mar 2, 2026-6pm EDT Mar 9, 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