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.

Mostly Cloudy

47°F

8°C

Humidity 90%
Wind Speed Calm
Barometer 29.89 in (1012.1 mb)
Dewpoint 44°F (7°C)
Visibility 10.00 mi
Last update 2 May 6:56 am EDT
Extended Forecast for

2 Miles W Conning Towers-Nautilus Park CT

  • Today

    Today: Showers likely, mainly between 11am and 2pm. Mostly cloudy, with a high near 58. South wind 5 to 7 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    High: 58 °F

    Showers
    Likely

  • Tonight

    Tonight: A chance of showers, mainly before 2am, then a chance of rain after 5am. Cloudy, then gradually becoming partly cloudy, with a low around 40. Calm wind becoming north around 5 mph after midnight. Chance of precipitation is 30%.

    Low: 40 °F

    Chance
    Showers

  • Sunday

    Sunday: A 30 percent chance of rain before 8am. Mostly sunny, with a high near 60. West wind 9 to 13 mph, with gusts as high as 23 mph.

    High: 60 °F

    Chance Rain
    then Mostly
    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 42. West wind around 5 mph becoming calm in the evening.

    Low: 42 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 65. Southwest wind 7 to 15 mph.

    High: 65 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 49.

    Low: 49 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 69.

    High: 69 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 54.

    Low: 54 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A 40 percent chance of showers after 2pm. Mostly cloudy, with a high near 66.

    High: 66 °F

    Partly Sunny
    then Chance
    Showers

Detailed Forecast

Today
Showers likely, mainly between 11am and 2pm. Mostly cloudy, with a high near 58. South wind 5 to 7 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
A chance of showers, mainly before 2am, then a chance of rain after 5am. Cloudy, then gradually becoming partly cloudy, with a low around 40. Calm wind becoming north around 5 mph after midnight. Chance of precipitation is 30%.
Sunday
A 30 percent chance of rain before 8am. Mostly sunny, with a high near 60. West wind 9 to 13 mph, with gusts as high as 23 mph.
Sunday Night
Mostly clear, with a low around 42. West wind around 5 mph becoming calm in the evening.
Monday
Sunny, with a high near 65. Southwest wind 7 to 15 mph.
Monday Night
Mostly clear, with a low around 49.
Tuesday
Mostly sunny, with a high near 69.
Tuesday Night
Partly cloudy, with a low around 54.
Wednesday
A 40 percent chance of showers after 2pm. Mostly cloudy, with a high near 66.
Wednesday Night
Showers likely, mainly after 2am. Mostly cloudy, with a low around 52. Chance of precipitation is 60%.
Thursday
Showers. High near 62. Chance of precipitation is 80%.
Thursday Night
Showers. Low around 46. Chance of precipitation is 80%.
Friday
A 30 percent chance of showers. Partly sunny, with a high near 61.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles W Conning Towers-Nautilus Park CT
 41.39°N 72.1°W (Elev. 105 ft)
Last Update:
2:24 am EDT May 2, 2026
Forecast Valid:
7am EDT May 2, 2026-6pm EDT May 8, 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