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.

Fog/Mist

39°F

4°C

Humidity 93%
Wind Speed E 6 mph
Barometer 30.45 in (1031.1 mb)
Dewpoint 37°F (3°C)
Visibility 5.00 mi
Wind Chill35°F (2°C)
Last update 3 Apr 1:56 am EDT
Extended Forecast for

Conning Towers-Nautilus Park CT

  • Overnight

    Overnight: A 30 percent chance of showers, mainly before 5am. Patchy fog. Otherwise, cloudy, with a low around 40. East wind around 7 mph.

    Low: 40 °F

    Chance
    Showers and
    Patchy Fog

  • Friday

    Friday: Patchy fog before 3pm. Otherwise, mostly cloudy, with a high near 54. Southeast wind 6 to 10 mph becoming southwest in the afternoon.

    High: 54 °F

    Patchy Fog

  • Friday Night

    Friday Night: Patchy fog after 10pm. Otherwise, mostly cloudy, with a low around 51. Southwest wind 9 to 13 mph.

    Low: 51 °F

    Patchy Fog

  • Saturday

    Saturday: A 20 percent chance of showers after 2pm. Increasing clouds, with a high near 63. Northwest wind 5 to 10 mph becoming east in the afternoon.

    High: 63 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Saturday Night

    Saturday Night: A 50 percent chance of showers, mainly after 8pm. Cloudy, with a low around 42. East wind 10 to 15 mph.

    Low: 42 °F

    Chance
    Showers

  • Sunday

    Sunday: Showers. High near 56. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 56 °F

    Showers
    Likely then
    Showers

  • Sunday Night

    Sunday Night: Showers before 8pm. Low around 41. Chance of precipitation is 80%.

    Low: 41 °F

    Showers then
    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 50.

    High: 50 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 37.

    Low: 37 °F

    Partly Cloudy

Detailed Forecast

Overnight
A 30 percent chance of showers, mainly before 5am. Patchy fog. Otherwise, cloudy, with a low around 40. East wind around 7 mph.
Friday
Patchy fog before 3pm. Otherwise, mostly cloudy, with a high near 54. Southeast wind 6 to 10 mph becoming southwest in the afternoon.
Friday Night
Patchy fog after 10pm. Otherwise, mostly cloudy, with a low around 51. Southwest wind 9 to 13 mph.
Saturday
A 20 percent chance of showers after 2pm. Increasing clouds, with a high near 63. Northwest wind 5 to 10 mph becoming east in the afternoon.
Saturday Night
A 50 percent chance of showers, mainly after 8pm. Cloudy, with a low around 42. East wind 10 to 15 mph.
Sunday
Showers. High near 56. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday Night
Showers before 8pm. Low around 41. Chance of precipitation is 80%.
Monday
Mostly sunny, with a high near 50.
Monday Night
Partly cloudy, with a low around 37.
Tuesday
A 30 percent chance of showers. Partly sunny, with a high near 46.
Tuesday Night
Mostly clear, with a low around 31.
Wednesday
Sunny, with a high near 45.
Wednesday Night
Mostly clear, with a low around 37.
Thursday
Mostly sunny, with a high near 52.
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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:
2:20 am EDT Apr 3, 2026
Forecast Valid:
3am EDT Apr 3, 2026-6pm EDT Apr 9, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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