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

45°F

7°C

Humidity 90%
Wind Speed SE 7 mph
Barometer 30.28 in (1025.1 mb)
Dewpoint 42°F (6°C)
Visibility 10.00 mi
Wind Chill41°F (5°C)
Last update 13 Apr 2:56 am EDT
Extended Forecast for

Conning Towers-Nautilus Park CT

  • Overnight

    Overnight: Mostly cloudy, with a steady temperature around 45. South wind around 6 mph.

    Low: 45 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 61. Southwest wind 10 to 16 mph, with gusts as high as 30 mph.

    High: 61 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Mostly clear, with a low around 52. Southwest wind 5 to 9 mph becoming light west after midnight. Winds could gust as high as 21 mph.

    Low: 52 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 72. Calm wind becoming south 5 to 8 mph in the afternoon.

    High: 72 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers before 2am. Mostly cloudy, with a low around 52. Southwest wind 3 to 5 mph.

    Low: 52 °F

    Slight Chance
    Showers

  • Wednesday

    Wednesday: A 30 percent chance of showers after 2pm. Mostly sunny, with a high near 75.

    High: 75 °F

    Mostly Sunny
    then Chance
    Showers

  • Wednesday Night

    Wednesday Night: A 40 percent chance of showers before 2am. Mostly cloudy, with a low around 56.

    Low: 56 °F

    Chance
    Showers

  • Thursday

    Thursday: Mostly cloudy, with a high near 72.

    High: 72 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 53.

    Low: 53 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a steady temperature around 45. South wind around 6 mph.
Monday
Mostly cloudy, with a high near 61. Southwest wind 10 to 16 mph, with gusts as high as 30 mph.
Monday Night
Mostly clear, with a low around 52. Southwest wind 5 to 9 mph becoming light west after midnight. Winds could gust as high as 21 mph.
Tuesday
Mostly sunny, with a high near 72. Calm wind becoming south 5 to 8 mph in the afternoon.
Tuesday Night
A 20 percent chance of showers before 2am. Mostly cloudy, with a low around 52. Southwest wind 3 to 5 mph.
Wednesday
A 30 percent chance of showers after 2pm. Mostly sunny, with a high near 75.
Wednesday Night
A 40 percent chance of showers before 2am. Mostly cloudy, with a low around 56.
Thursday
Mostly cloudy, with a high near 72.
Thursday Night
Mostly cloudy, with a low around 53.
Friday
A 30 percent chance of showers after 2pm. Partly sunny, with a high near 74.
Friday Night
A 30 percent chance of showers. Partly cloudy, with a low around 51.
Saturday
Mostly sunny, with a high near 65.
Saturday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 49.
Sunday
A 40 percent chance of showers. Mostly cloudy, with a high near 65.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Conning Towers-Nautilus Park CT
 41.39°N 72.07°W (Elev. 200 ft)
Last Update:
3:02 am EDT Apr 13, 2026
Forecast Valid:
3am EDT Apr 13, 2026-6pm EDT Apr 19, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation