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

28°F

-2°C

Humidity 92%
Wind Speed NW 7 mph
Barometer 30.01 in (1016.3 mb)
Dewpoint 26°F (-3°C)
Visibility 10.00 mi
Wind Chill21°F (-6°C)
Last update 1 Mar 4:56 am EST
Extended Forecast for

Conning Towers-Nautilus Park CT

  • Today

    Today: Snow likely, mainly before 1pm. Cloudy, then gradually becoming mostly sunny, with a high near 36. Wind chill values between 20 and 25. North wind around 10 mph. Chance of precipitation is 60%. Total daytime snow accumulation of less than a half inch possible.

    High: 36 °F

    Snow Likely

  • Tonight

    Tonight: Mostly clear, with a low around 17. Wind chill values between zero and 10. North wind around 10 mph.

    Low: 17 °F

    Mostly Clear

  • Monday

    Monday: Increasing clouds, with a high near 29. Wind chill values between zero and 10. North wind 5 to 8 mph becoming southwest in the afternoon.

    High: 29 °F

    Increasing
    Clouds

  • Monday Night

    Monday Night: Mostly clear, with a low around 23. Wind chill values between 15 and 20. South wind 3 to 6 mph.

    Low: 23 °F

    Mostly Clear

  • Tuesday

    Tuesday: A slight chance of snow before 10am, then a chance of rain and snow between 10am and 1pm, then rain after 1pm. High near 41. South wind 6 to 10 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    High: 41 °F

    Chance
    Rain/Snow
    then
    Rain/Snow

  • Tuesday Night

    Tuesday Night: Rain. Low around 39. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 39 °F

    Rain

  • Wednesday

    Wednesday: A 30 percent chance of rain before 1pm. Partly sunny, with a high near 46.

    High: 46 °F

    Chance Rain

  • Wednesday Night

    Wednesday Night: A 40 percent chance of rain. Mostly cloudy, with a low around 39.

    Low: 39 °F

    Chance Rain

  • Thursday

    Thursday: A 40 percent chance of rain. Cloudy, with a high near 51.

    High: 51 °F

    Chance Rain

Detailed Forecast

Today
Snow likely, mainly before 1pm. Cloudy, then gradually becoming mostly sunny, with a high near 36. Wind chill values between 20 and 25. North wind around 10 mph. Chance of precipitation is 60%. Total daytime snow accumulation of less than a half inch possible.
Tonight
Mostly clear, with a low around 17. Wind chill values between zero and 10. North wind around 10 mph.
Monday
Increasing clouds, with a high near 29. Wind chill values between zero and 10. North wind 5 to 8 mph becoming southwest in the afternoon.
Monday Night
Mostly clear, with a low around 23. Wind chill values between 15 and 20. South wind 3 to 6 mph.
Tuesday
A slight chance of snow before 10am, then a chance of rain and snow between 10am and 1pm, then rain after 1pm. High near 41. South wind 6 to 10 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Tuesday Night
Rain. Low around 39. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday
A 30 percent chance of rain before 1pm. Partly sunny, with a high near 46.
Wednesday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 39.
Thursday
A 40 percent chance of rain. Cloudy, with a high near 51.
Thursday Night
Rain likely, mainly after 1am. Cloudy, with a low around 40. Chance of precipitation is 60%.
Friday
A 50 percent chance of rain. Cloudy, with a high near 44.
Friday Night
A 30 percent chance of rain. Cloudy, with a low around 39.
Saturday
Cloudy, with a high near 52.
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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:
1:58 am EST Mar 1, 2026
Forecast Valid:
6am EST Mar 1, 2026-6pm EST Mar 7, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation