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.

Overcast

42°F

6°C

Humidity 68%
Wind Speed NW 12 mph
Barometer 29.71 in (1006.1 mb)
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Wind Chill35°F (2°C)
Last update 11 Jan 11:56 am EST
Extended Forecast for

Conning Towers-Nautilus Park CT

  • This Afternoon

    This Afternoon: A slight chance of rain before 1pm, then a slight chance of snow showers after 4pm. Mostly sunny, with a high near 46. Northwest wind 9 to 13 mph. Chance of precipitation is 20%.

    High: 46 °F

    Slight Chance
    Rain/Snow

  • Tonight

    Tonight: A 30 percent chance of snow showers, mainly between 7pm and 10pm. Partly cloudy, with a low around 31. Wind chill values between 20 and 25. Breezy, with a west wind 13 to 20 mph, with gusts as high as 34 mph.

    Low: 31 °F

    Chance Snow
    Showers then
    Mostly Clear
    and Breezy

  • Monday

    Monday: Sunny, with a high near 40. Wind chill values between 20 and 30. West wind 13 to 15 mph, with gusts as high as 28 mph.

    High: 40 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 33. Southwest wind 9 to 13 mph.

    Low: 33 °F

    Mostly Clear

  • Tuesday

    Tuesday: Increasing clouds, with a high near 43. Southwest wind 8 to 10 mph.

    High: 43 °F

    Increasing
    Clouds

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a temperature rising to around 43 by 3am.

    Low: 39 °F⇑

    Mostly Cloudy

  • Wednesday

    Wednesday: Cloudy, with a high near 47.

    High: 47 °F

    Cloudy

  • Wednesday Night

    Wednesday Night: A 30 percent chance of rain after 1am. Cloudy, with a low around 35.

    Low: 35 °F

    Cloudy then
    Chance Rain

  • Thursday

    Thursday: A 30 percent chance of rain after 1pm. Partly sunny, with a high near 39.

    High: 39 °F

    Mostly Cloudy
    then Chance
    Rain

Detailed Forecast

This Afternoon
A slight chance of rain before 1pm, then a slight chance of snow showers after 4pm. Mostly sunny, with a high near 46. Northwest wind 9 to 13 mph. Chance of precipitation is 20%.
Tonight
A 30 percent chance of snow showers, mainly between 7pm and 10pm. Partly cloudy, with a low around 31. Wind chill values between 20 and 25. Breezy, with a west wind 13 to 20 mph, with gusts as high as 34 mph.
Monday
Sunny, with a high near 40. Wind chill values between 20 and 30. West wind 13 to 15 mph, with gusts as high as 28 mph.
Monday Night
Mostly clear, with a low around 33. Southwest wind 9 to 13 mph.
Tuesday
Increasing clouds, with a high near 43. Southwest wind 8 to 10 mph.
Tuesday Night
Mostly cloudy, with a temperature rising to around 43 by 3am.
Wednesday
Cloudy, with a high near 47.
Wednesday Night
A 30 percent chance of rain after 1am. Cloudy, with a low around 35.
Thursday
A 30 percent chance of rain after 1pm. Partly sunny, with a high near 39.
Thursday Night
A chance of rain and snow before 1am, then a chance of snow. Mostly cloudy, with a low around 24. Chance of precipitation is 30%.
Friday
Partly sunny, with a high near 33.
Friday Night
Partly cloudy, with a low around 25.
Saturday
Mostly sunny, with a high near 38.
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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:
1:40 am EST Jan 11, 2026
Forecast Valid:
12pm EST Jan 11, 2026-6pm EST Jan 17, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation