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

38°F

3°C

Humidity 22%
Wind Speed N 7 G 20 mph
Barometer 30.39 in (1028.9 mb)
Dewpoint 2°F (-17°C)
Visibility 10.00 mi
Wind Chill33°F (1°C)
Last update 28 Mar 12:56 pm EDT
Extended Forecast for

Conning Towers-Nautilus Park CT

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 39. Northwest wind around 14 mph, with gusts as high as 24 mph.

    High: 39 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 27. Northwest wind 5 to 9 mph, with gusts as high as 23 mph.

    Low: 27 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 43. Light west wind becoming southwest 12 to 17 mph in the morning.

    High: 43 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a steady temperature around 43. Southwest wind 15 to 17 mph.

    Low: 43 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 53. Southwest wind 13 to 16 mph.

    High: 53 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 45.

    Low: 45 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A 30 percent chance of rain before 2pm. Mostly cloudy, with a high near 57.

    High: 57 °F

    Chance Rain

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 52.

    Low: 52 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A 50 percent chance of rain after 2pm. Mostly sunny, with a high near 62.

    High: 62 °F

    Mostly Sunny
    then Chance
    Rain

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 39. Northwest wind around 14 mph, with gusts as high as 24 mph.
Tonight
Mostly clear, with a low around 27. Northwest wind 5 to 9 mph, with gusts as high as 23 mph.
Sunday
Mostly sunny, with a high near 43. Light west wind becoming southwest 12 to 17 mph in the morning.
Sunday Night
Mostly cloudy, with a steady temperature around 43. Southwest wind 15 to 17 mph.
Monday
Mostly cloudy, with a high near 53. Southwest wind 13 to 16 mph.
Monday Night
Mostly cloudy, with a low around 45.
Tuesday
A 30 percent chance of rain before 2pm. Mostly cloudy, with a high near 57.
Tuesday Night
Partly cloudy, with a low around 52.
Wednesday
A 50 percent chance of rain after 2pm. Mostly sunny, with a high near 62.
Wednesday Night
Rain likely, mainly between 8pm and 2am. Mostly cloudy, with a low around 42. Chance of precipitation is 70%.
Thursday
A 40 percent chance of rain. Mostly cloudy, with a high near 46.
Thursday Night
A chance of rain and snow. Mostly cloudy, with a low around 36. Chance of precipitation is 40%.
Friday
A chance of rain and snow. Cloudy, with a high near 41. Chance of precipitation is 50%.
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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:
4:58 am EDT Mar 28, 2026
Forecast Valid:
1pm EDT Mar 28, 2026-6pm EDT Apr 3, 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