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

43°F

6°C

Humidity 71%
Wind Speed SW 8 mph
Barometer 30.17 in (1021.5 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Wind Chill38°F (3°C)
Last update 8 Jan 10:56 am EST
Extended Forecast for

Conning Towers-Nautilus Park CT

  • Today

    Today: Sunny, with a high near 45. Northwest wind 6 to 9 mph.

    High: 45 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 32. Light and variable wind.

    Low: 32 °F

    Partly Cloudy

  • Friday

    Friday: A 20 percent chance of rain after 4pm. Partly sunny, with a high near 49. South wind 5 to 14 mph.

    High: 49 °F

    Partly Sunny
    then Slight
    Chance Rain

  • Friday Night

    Friday Night: Rain likely, mainly between 7pm and 1am. Cloudy, with a low around 44. South wind 9 to 14 mph becoming west after midnight. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 44 °F

    Rain Likely

  • Saturday

    Saturday: Rain, mainly after 1pm. Steady temperature around 46. Northwest wind 6 to 9 mph becoming east in the afternoon. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    High: 46 °F

    Chance Rain
    then Rain

  • Saturday Night

    Saturday Night: Rain. Steady temperature around 46. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 46 °F

    Rain

  • Sunday

    Sunday: A 40 percent chance of showers. Cloudy, with a high near 47.

    High: 47 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 32.

    Low: 32 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 39.

    High: 39 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 45. Northwest wind 6 to 9 mph.
Tonight
Partly cloudy, with a low around 32. Light and variable wind.
Friday
A 20 percent chance of rain after 4pm. Partly sunny, with a high near 49. South wind 5 to 14 mph.
Friday Night
Rain likely, mainly between 7pm and 1am. Cloudy, with a low around 44. South wind 9 to 14 mph becoming west after midnight. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday
Rain, mainly after 1pm. Steady temperature around 46. Northwest wind 6 to 9 mph becoming east in the afternoon. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Saturday Night
Rain. Steady temperature around 46. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Sunday
A 40 percent chance of showers. Cloudy, with a high near 47.
Sunday Night
Partly cloudy, with a low around 32.
Monday
Sunny, with a high near 39.
Monday Night
Partly cloudy, with a low around 32.
Tuesday
Mostly sunny, with a high near 42.
Tuesday Night
Partly cloudy, with a low around 36.
Wednesday
Mostly cloudy, with a high near 45.
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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:
5:02 am EST Jan 8, 2026
Forecast Valid:
11am EST Jan 8, 2026-6pm EST Jan 14, 2026
 
Forecast Discussion
 
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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