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.

Light Rain Fog/Mist

50°F

10°C

Humidity 96%
Wind Speed SW 6 mph
Barometer 29.80 in (1009.0 mb)
Dewpoint 49°F (9°C)
Visibility 1.00 mi
Wind Chill48°F (9°C)
Last update 5 Apr 12:56 pm EDT
Extended Forecast for

Conning Towers-Nautilus Park CT

  • This Afternoon

    This Afternoon: Rain and possibly a thunderstorm. High near 49. Southwest wind around 17 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

    High: 49 °F

    Rain

  • Tonight

    Tonight: Rain, mainly before 8pm. Low around 38. Southwest wind 9 to 11 mph becoming northwest in the evening. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 38 °F

    Rain then
    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 50. West wind around 14 mph.

    High: 50 °F

    Sunny

  • Monday Night

    Monday Night: A 30 percent chance of rain after 2am. Partly cloudy, with a low around 38. West wind around 7 mph.

    Low: 38 °F

    Partly Cloudy
    then Chance
    Rain

  • Tuesday

    Tuesday: A 30 percent chance of rain, mainly before 2pm. Mostly sunny, with a high near 47. Southwest wind 8 to 14 mph.

    High: 47 °F

    Chance Rain

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 30.

    Low: 30 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 43.

    High: 43 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 35.

    Low: 35 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 49.

    High: 49 °F

    Sunny

Detailed Forecast

This Afternoon
Rain and possibly a thunderstorm. High near 49. Southwest wind around 17 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Tonight
Rain, mainly before 8pm. Low around 38. Southwest wind 9 to 11 mph becoming northwest in the evening. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday
Sunny, with a high near 50. West wind around 14 mph.
Monday Night
A 30 percent chance of rain after 2am. Partly cloudy, with a low around 38. West wind around 7 mph.
Tuesday
A 30 percent chance of rain, mainly before 2pm. Mostly sunny, with a high near 47. Southwest wind 8 to 14 mph.
Tuesday Night
Mostly clear, with a low around 30.
Wednesday
Sunny, with a high near 43.
Wednesday Night
Mostly clear, with a low around 35.
Thursday
Sunny, with a high near 49.
Thursday Night
Partly cloudy, with a low around 43.
Friday
Mostly sunny, with a high near 58.
Friday Night
Partly cloudy, with a low around 46.
Saturday
Partly sunny, with a high near 58.
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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:
11:20 am EDT Apr 5, 2026
Forecast Valid:
1pm EDT Apr 5, 2026-6pm EDT Apr 11, 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