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Hazardous Weather Conditions

Current conditions at

Groton / New London, Groton / New London Airport (KGON)

Lat: 41.33°NLon: 72.05°WElev: 10ft.

Fair

23°C

73°F

Humidity 100%
Wind Speed SW 7 km/h
Barometer 1017.7 mb (30.06 in)
Dewpoint 23°C (73°F)
Visibility 16 km
Last update 15 Jul 9:56 pm EDT
Extended Forecast for

Conning Towers-Nautilus Park CT

Heat Advisory July 16, 11:00am until July 17, 10:00pm
Click here for hazard details and duration
Heat Advisory

  • Tonight

    Tonight: Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 22. Calm wind.

    Low: 22 °C

    Patchy Fog

  • Wednesday

    Wednesday: Mostly cloudy, then gradually becoming sunny, with a high near 27. Light southwest wind becoming south 8 to 13 km/h in the morning.

    High: 27 °C

    Decreasing
    Clouds

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers and thunderstorms, mainly after 2am. Increasing clouds, with a low around 23. South wind around 11 km/h.

    Low: 23 °C

    Slight Chance
    T-storms then
    Chance
    Showers

  • Thursday

    Thursday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 28. Southwest wind 11 to 18 km/h. Chance of precipitation is 60%. New rainfall amounts between 2.5 and 5 mm possible.

    High: 28 °C

    Showers
    Likely

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm before 8pm. Partly cloudy, with a low around 24. Southwest wind 11 to 14 km/h. Chance of precipitation is 60%.

    Low: 24 °C

    Showers
    Likely then
    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 27.

    High: 27 °C

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 18.

    Low: 18 °C

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 24.

    High: 24 °C

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 19.

    Low: 19 °C

    Partly Cloudy

Detailed Forecast

Tonight
Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 22. Calm wind.
Wednesday
Mostly cloudy, then gradually becoming sunny, with a high near 27. Light southwest wind becoming south 8 to 13 km/h in the morning.
Wednesday Night
A 30 percent chance of showers and thunderstorms, mainly after 2am. Increasing clouds, with a low around 23. South wind around 11 km/h.
Thursday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 28. Southwest wind 11 to 18 km/h. Chance of precipitation is 60%. New rainfall amounts between 2.5 and 5 mm possible.
Thursday Night
Showers likely and possibly a thunderstorm before 8pm. Partly cloudy, with a low around 24. Southwest wind 11 to 14 km/h. Chance of precipitation is 60%.
Friday
Sunny, with a high near 27.
Friday Night
Mostly clear, with a low around 18.
Saturday
Sunny, with a high near 24.
Saturday Night
Partly cloudy, with a low around 19.
Sunday
A 40 percent chance of showers. Partly sunny, with a high near 24.
Sunday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 20.
Monday
Mostly sunny, with a high near 24.
Monday Night
Partly cloudy, with a low around 18.
Tuesday
Mostly sunny, with a high near 23.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Conning Towers-Nautilus Park CT
 41.36°N 72.08°W (Elev. 79 m)
Last Update:
3:16 pm EDT Jul 15, 2025
Forecast Valid:
10pm EDT Jul 15, 2025-6pm EDT Jul 22, 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