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

62°F

17°C

Humidity 93%
Wind Speed N 3 mph
Barometer 30.05 in (1017.5 mb)
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Last update 26 Aug 6:56 am EDT
Extended Forecast for

Ivoryton CT

  • Today

    Today: Sunny, with a high near 78. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 78 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 65. Calm wind.

    Low: 65 °F

    Partly Cloudy

  • Thursday

    Thursday: A 30 percent chance of showers, mainly after 5pm. Increasing clouds, with a high near 80. Light south wind increasing to 6 to 11 mph in the morning. Winds could gust as high as 21 mph.

    High: 80 °F

    Mostly Sunny
    then Chance
    Showers

  • Thursday Night

    Thursday Night: Showers and thunderstorms likely before 5am, then a chance of showers. Mostly cloudy, with a low around 68. South wind around 6 mph becoming calm after midnight. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 68 °F

    Showers
    Likely

  • Friday

    Friday: A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then a chance of showers after 2pm. Partly sunny, with a high near 80. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 30%.

    High: 80 °F

    Chance
    Showers

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 62.

    Low: 62 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 78.

    High: 78 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 61.

    Low: 61 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 79.

    High: 79 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 78. Calm wind becoming southwest around 5 mph in the afternoon.
Tonight
Partly cloudy, with a low around 65. Calm wind.
Thursday
A 30 percent chance of showers, mainly after 5pm. Increasing clouds, with a high near 80. Light south wind increasing to 6 to 11 mph in the morning. Winds could gust as high as 21 mph.
Thursday Night
Showers and thunderstorms likely before 5am, then a chance of showers. Mostly cloudy, with a low around 68. South wind around 6 mph becoming calm after midnight. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday
A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then a chance of showers after 2pm. Partly sunny, with a high near 80. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 30%.
Friday Night
Mostly cloudy, with a low around 62.
Saturday
Mostly sunny, with a high near 78.
Saturday Night
Partly cloudy, with a low around 61.
Sunday
Sunny, with a high near 79.
Sunday Night
Partly cloudy, with a low around 66.
Monday
Mostly sunny, with a high near 83.
Monday Night
Partly cloudy, with a low around 68.
Tuesday
Mostly sunny, with a high near 83.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Ivoryton CT
 41.34°N 72.44°W (Elev. 79 ft)
Last Update:
2:49 am EDT Aug 26, 2026
Forecast Valid:
7am EDT Aug 26, 2026-6pm EDT Sep 1, 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