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 85%
Wind Speed SE 8 mph
Barometer 29.88 in (1011.9 mb)
Dewpoint 38°F (3°C)
Visibility 10.00 mi
Wind Chill37°F (3°C)
Last update 22 Mar 10:56 am EDT
Extended Forecast for

Conning Towers-Nautilus Park CT

  • Today

    Today: Rain likely, mainly after 5pm. Mostly cloudy, with a high near 48. South wind 11 to 14 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 48 °F

    Rain Likely

  • Tonight

    Tonight: Rain, mainly before 11pm, then showers after 11pm. Low around 38. Southwest wind 5 to 8 mph becoming north after midnight. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 38 °F

    Rain

  • Monday

    Monday: A 40 percent chance of rain before 2pm. Mostly cloudy, with a high near 42. North wind around 16 mph.

    High: 42 °F

    Chance Rain

  • Monday Night

    Monday Night: Partly cloudy, with a low around 31. Wind chill values between 25 and 30. Northwest wind 10 to 13 mph.

    Low: 31 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 43. Northwest wind 7 to 9 mph becoming southwest in the afternoon.

    High: 43 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Increasing clouds, with a low around 35.

    Low: 35 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: Partly sunny, with a high near 47.

    High: 47 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 38.

    Low: 38 °F

    Mostly Cloudy

  • Thursday

    Thursday: A 30 percent chance of rain after 2pm. Partly sunny, with a high near 49.

    High: 49 °F

    Partly Sunny
    then Chance
    Rain

Detailed Forecast

Today
Rain likely, mainly after 5pm. Mostly cloudy, with a high near 48. South wind 11 to 14 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
Rain, mainly before 11pm, then showers after 11pm. Low around 38. Southwest wind 5 to 8 mph becoming north after midnight. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Monday
A 40 percent chance of rain before 2pm. Mostly cloudy, with a high near 42. North wind around 16 mph.
Monday Night
Partly cloudy, with a low around 31. Wind chill values between 25 and 30. Northwest wind 10 to 13 mph.
Tuesday
Sunny, with a high near 43. Northwest wind 7 to 9 mph becoming southwest in the afternoon.
Tuesday Night
Increasing clouds, with a low around 35.
Wednesday
Partly sunny, with a high near 47.
Wednesday Night
Mostly cloudy, with a low around 38.
Thursday
A 30 percent chance of rain after 2pm. Partly sunny, with a high near 49.
Thursday Night
Rain likely, mainly after 8pm. Mostly cloudy, with a low around 42. Chance of precipitation is 60%.
Friday
Partly sunny, with a high near 47.
Friday Night
Partly cloudy, with a low around 27.
Saturday
Sunny, with a high near 39.
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
 41.36°N 72.08°W (Elev. 79 ft)
Last Update:
2:51 am EDT Mar 22, 2026
Forecast Valid:
11am EDT Mar 22, 2026-6pm EDT Mar 28, 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