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

64°F

18°C

Humidity 96%
Wind Speed S 5 mph
Barometer 30.06 in (1017.8 mb)
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Last update 26 Jun 3:56 am EDT
Extended Forecast for

Ivoryton CT

  • Overnight

    Overnight: A slight chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 5am. Mostly cloudy, with a low around 63. Light south wind. Chance of precipitation is 70%.

    Low: 63 °F

    Showers
    Likely

  • Friday

    Friday: Showers and possibly a thunderstorm before 8am, then a chance of showers between 8am and 11am. High near 79. Southeast wind 5 to 7 mph becoming southwest in the afternoon. Chance of precipitation is 80%.

    High: 79 °F

    Showers then
    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 65. Calm wind.

    Low: 65 °F

    Mostly Cloudy

  • Saturday

    Saturday: A 30 percent chance of showers, mainly between 8am and 2pm. Mostly cloudy, with a high near 77. Light and variable wind.

    High: 77 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: Cloudy, then gradually becoming partly cloudy, with a low around 63. Calm wind.

    Low: 63 °F

    Decreasing
    Clouds

  • Sunday

    Sunday: Mostly sunny, with a high near 79.

    High: 79 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 63.

    Low: 63 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 83.

    High: 83 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 65.

    Low: 65 °F

    Partly Cloudy

Detailed Forecast

Overnight
A slight chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 5am. Mostly cloudy, with a low around 63. Light south wind. Chance of precipitation is 70%.
Friday
Showers and possibly a thunderstorm before 8am, then a chance of showers between 8am and 11am. High near 79. Southeast wind 5 to 7 mph becoming southwest in the afternoon. Chance of precipitation is 80%.
Friday Night
Mostly cloudy, with a low around 65. Calm wind.
Saturday
A 30 percent chance of showers, mainly between 8am and 2pm. Mostly cloudy, with a high near 77. Light and variable wind.
Saturday Night
Cloudy, then gradually becoming partly cloudy, with a low around 63. Calm wind.
Sunday
Mostly sunny, with a high near 79.
Sunday Night
Mostly clear, with a low around 63.
Monday
Sunny, with a high near 83.
Monday Night
Partly cloudy, with a low around 65.
Tuesday
Mostly sunny, with a high near 84.
Tuesday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 68.
Wednesday
Mostly sunny, with a high near 86.
Wednesday Night
Partly cloudy, with a low around 70.
Thursday
Mostly sunny, with a high near 90.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Ivoryton CT
 41.34°N 72.44°W (Elev. 79 ft)
Last Update:
3:39 am EDT Jun 26, 2026
Forecast Valid:
4am EDT Jun 26, 2026-6pm EDT Jul 2, 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