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

13°C

55°F

Humidity 96%
Wind Speed NE 9 km/h
Barometer 1021.8 mb (30.18 in)
Dewpoint 12°C (54°F)
Visibility 16 km
Wind Chill12°C (54°F)
Last update 13 May 4:56 am EDT
Extended Forecast for

Conning Towers-Nautilus Park CT

  • Today

    Today: Partly sunny, with a high near 18. North wind 5 to 10 km/h becoming east 13 to 18 km/h in the morning.

    High: 18 °C

    Partly Sunny

  • Tonight

    Tonight: A 20 percent chance of showers after 2am. Cloudy, with a low around 12. East wind 11 to 13 km/h.

    Low: 12 °C

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 18. East wind 13 to 16 km/h. Chance of precipitation is 60%.

    High: 18 °C

    Chance
    Showers then
    Showers
    Likely

  • Wednesday Night

    Wednesday Night: Showers likely and possibly a thunderstorm. Cloudy, with a low around 13. East wind 11 to 14 km/h. Chance of precipitation is 70%. New rainfall amounts between 5 and 7.5 mm possible.

    Low: 13 °C

    Showers
    Likely

  • Thursday

    Thursday: A 40 percent chance of showers and thunderstorms, mainly before 2pm. Mostly cloudy, with a high near 18. East wind around 10 km/h.

    High: 18 °C

    Chance
    Showers

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 14.

    Low: 14 °C

    Mostly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 20.

    High: 20 °C

    Mostly Cloudy

  • Friday Night

    Friday Night: A 40 percent chance of showers. Mostly cloudy, with a low around 16.

    Low: 16 °C

    Chance
    Showers

  • Saturday

    Saturday: A 40 percent chance of showers after 2pm. Partly sunny, with a high near 21.

    High: 21 °C

    Partly Sunny
    then Chance
    Showers

Detailed Forecast

Today
Partly sunny, with a high near 18. North wind 5 to 10 km/h becoming east 13 to 18 km/h in the morning.
Tonight
A 20 percent chance of showers after 2am. Cloudy, with a low around 12. East wind 11 to 13 km/h.
Wednesday
A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 18. East wind 13 to 16 km/h. Chance of precipitation is 60%.
Wednesday Night
Showers likely and possibly a thunderstorm. Cloudy, with a low around 13. East wind 11 to 14 km/h. Chance of precipitation is 70%. New rainfall amounts between 5 and 7.5 mm possible.
Thursday
A 40 percent chance of showers and thunderstorms, mainly before 2pm. Mostly cloudy, with a high near 18. East wind around 10 km/h.
Thursday Night
Mostly cloudy, with a low around 14.
Friday
Mostly cloudy, with a high near 20.
Friday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 16.
Saturday
A 40 percent chance of showers after 2pm. Partly sunny, with a high near 21.
Saturday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 15.
Sunday
A 30 percent chance of showers. Mostly sunny, with a high near 21.
Sunday Night
A 30 percent chance of showers. Partly cloudy, with a low around 14.
Monday
Partly sunny, with a high near 18.
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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 m)
Last Update:
3:33 am EDT May 13, 2025
Forecast Valid:
5am EDT May 13, 2025-6pm EDT May 19, 2025
 
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