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 90%
Wind Speed Calm
Barometer 30.00 in (1016.0 mb)
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 24 Jun 11:56 pm EDT
Extended Forecast for

Ivoryton CT

  • Overnight

    Overnight: Mostly clear, with a low around 61. Calm wind.

    Low: 61 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 79. Calm wind becoming south 5 to 7 mph in the afternoon.

    High: 79 °F

    Sunny

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm after 2am. Increasing clouds, with a low around 63. South wind 3 to 5 mph. Chance of precipitation is 60%.

    Low: 63 °F

    Partly Cloudy
    then Showers
    Likely

  • Friday

    Friday: Showers likely and possibly a thunderstorm before 8am, then a slight chance of showers between 8am and 2pm. Cloudy, then gradually becoming mostly sunny, with a high near 81. Southwest wind 5 to 7 mph. Chance of precipitation is 60%.

    High: 81 °F

    Showers
    Likely then
    Slight Chance
    Showers

  • Friday Night

    Friday Night: A 50 percent chance of showers, mainly after 2am. Mostly cloudy, with a low around 65. Calm wind.

    Low: 65 °F

    Slight Chance
    Showers then
    Chance
    Showers

  • Saturday

    Saturday: Showers likely, mainly between 8am and 2pm. Mostly cloudy, with a high near 78. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 78 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: A 30 percent chance of showers before 8pm. Mostly cloudy, with a low around 61.

    Low: 61 °F

    Chance
    Showers then
    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 81.

    High: 81 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 61.

    Low: 61 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly clear, with a low around 61. Calm wind.
Thursday
Sunny, with a high near 79. Calm wind becoming south 5 to 7 mph in the afternoon.
Thursday Night
Showers likely and possibly a thunderstorm after 2am. Increasing clouds, with a low around 63. South wind 3 to 5 mph. Chance of precipitation is 60%.
Friday
Showers likely and possibly a thunderstorm before 8am, then a slight chance of showers between 8am and 2pm. Cloudy, then gradually becoming mostly sunny, with a high near 81. Southwest wind 5 to 7 mph. Chance of precipitation is 60%.
Friday Night
A 50 percent chance of showers, mainly after 2am. Mostly cloudy, with a low around 65. Calm wind.
Saturday
Showers likely, mainly between 8am and 2pm. Mostly cloudy, with a high near 78. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday Night
A 30 percent chance of showers before 8pm. Mostly cloudy, with a low around 61.
Sunday
Sunny, with a high near 81.
Sunday Night
Mostly clear, with a low around 61.
Monday
Mostly sunny, with a high near 83.
Monday Night
Partly cloudy, with a low around 63.
Tuesday
Mostly sunny, with a high near 85.
Tuesday Night
A 30 percent chance of showers. Partly cloudy, with a low around 65.
Wednesday
Mostly sunny, with a high near 84.
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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:
2:41 pm EDT Jun 24, 2026
Forecast Valid:
12am EDT Jun 25, 2026-6pm EDT Jul 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