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

45°F

7°C

Humidity 63%
Wind Speed W 10 mph
Barometer 29.76 in (1007.6 mb)
Dewpoint 33°F (1°C)
Visibility 10.00 mi
Wind Chill40°F (4°C)
Last update 1 Nov 7:56 am EDT
Extended Forecast for

Conning Towers-Nautilus Park CT

  • Today

    Today: Sunny, with a high near 56. Breezy, with a west wind 17 to 21 mph.

    High: 56 °F

    Sunny and
    Breezy then
    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 39. West wind 9 to 14 mph.

    Low: 39 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 55. West wind 8 to 10 mph.

    High: 55 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 41. West wind around 5 mph becoming calm in the evening.

    Low: 41 °F

    Mostly Clear

  • Monday

    Monday: A 40 percent chance of rain, mainly after 2pm. Partly sunny, with a high near 59. Southwest wind 5 to 13 mph.

    High: 59 °F

    Chance Rain

  • Monday Night

    Monday Night: Rain likely, mainly between 8pm and 2am. Mostly cloudy, with a low around 48. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 48 °F

    Rain Likely

  • Tuesday

    Tuesday: A 30 percent chance of rain before 8am. Sunny, with a high near 56. Breezy.

    High: 56 °F

    Breezy.
    Chance Rain
    then Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 44.

    Low: 44 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 56.

    High: 56 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 56. Breezy, with a west wind 17 to 21 mph.
Tonight
Mostly clear, with a low around 39. West wind 9 to 14 mph.
Sunday
Sunny, with a high near 55. West wind 8 to 10 mph.
Sunday Night
Mostly clear, with a low around 41. West wind around 5 mph becoming calm in the evening.
Monday
A 40 percent chance of rain, mainly after 2pm. Partly sunny, with a high near 59. Southwest wind 5 to 13 mph.
Monday Night
Rain likely, mainly between 8pm and 2am. Mostly cloudy, with a low around 48. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday
A 30 percent chance of rain before 8am. Sunny, with a high near 56. Breezy.
Tuesday Night
Mostly clear, with a low around 44.
Wednesday
Mostly sunny, with a high near 56.
Wednesday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 47.
Thursday
Mostly sunny, with a high near 53.
Thursday Night
Mostly clear, with a low around 40.
Friday
Mostly sunny, with a high near 52.
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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:
6:01 am EDT Nov 1, 2025
Forecast Valid:
7am EDT Nov 1, 2025-6pm EST Nov 7, 2025
 
Forecast Discussion
 
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Additional Resources

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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