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.

Light Snow

35°F

2°C

Humidity 72%
Wind Speed SE 8 mph
Barometer 30.51 in (1033.1 mb)
Dewpoint 27°F (-3°C)
Visibility 7.00 mi
Wind Chill28°F (-2°C)
Last update 3 Mar 12:56 pm EST
Extended Forecast for

Conning Towers-Nautilus Park CT

  • This Afternoon

    This Afternoon: Rain, possibly mixed with snow, becoming all rain after 3pm. High near 38. Wind chill values between 25 and 30. East wind around 10 mph. Chance of precipitation is 100%. Total daytime snow accumulation of less than a half inch possible.

    High: 38 °F

    Rain/Snow

  • Tonight

    Tonight: Rain, mainly before 4am. Low around 36. East wind around 9 mph becoming west after midnight. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 36 °F

    Rain

  • Wednesday

    Wednesday: Mostly sunny, with a high near 48. Northwest wind around 6 mph becoming light and variable.

    High: 48 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A 20 percent chance of rain after 1am. Mostly cloudy, with a low around 34. Calm wind.

    Low: 34 °F

    Partly Cloudy
    then Slight
    Chance Rain

  • Thursday

    Thursday: A 40 percent chance of rain. Cloudy, with a high near 44. Calm wind becoming east 5 to 7 mph in the afternoon.

    High: 44 °F

    Chance Rain

  • Thursday Night

    Thursday Night: Rain likely. Cloudy, with a low around 39. Chance of precipitation is 60%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 39 °F

    Rain Likely

  • Friday

    Friday: A 50 percent chance of rain before 1pm. Mostly cloudy, with a high near 42.

    High: 42 °F

    Chance Rain

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 37.

    Low: 37 °F

    Mostly Cloudy

  • Saturday

    Saturday: Cloudy, with a high near 50.

    High: 50 °F

    Cloudy

Detailed Forecast

This Afternoon
Rain, possibly mixed with snow, becoming all rain after 3pm. High near 38. Wind chill values between 25 and 30. East wind around 10 mph. Chance of precipitation is 100%. Total daytime snow accumulation of less than a half inch possible.
Tonight
Rain, mainly before 4am. Low around 36. East wind around 9 mph becoming west after midnight. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday
Mostly sunny, with a high near 48. Northwest wind around 6 mph becoming light and variable.
Wednesday Night
A 20 percent chance of rain after 1am. Mostly cloudy, with a low around 34. Calm wind.
Thursday
A 40 percent chance of rain. Cloudy, with a high near 44. Calm wind becoming east 5 to 7 mph in the afternoon.
Thursday Night
Rain likely. Cloudy, with a low around 39. Chance of precipitation is 60%. New precipitation amounts between a half and three quarters of an inch possible.
Friday
A 50 percent chance of rain before 1pm. Mostly cloudy, with a high near 42.
Friday Night
Mostly cloudy, with a low around 37.
Saturday
Cloudy, with a high near 50.
Saturday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 47.
Sunday
Mostly cloudy, with a high near 56.
Sunday Night
Partly cloudy, with a low around 44.
Monday
Partly sunny, with a high near 58.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Conning Towers-Nautilus Park CT
 41.36°N 72.08°W (Elev. 79 ft)
Last Update:
4:31 am EST Mar 3, 2026
Forecast Valid:
1pm EST Mar 3, 2026-6pm EDT Mar 9, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation