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.

Overcast

54°F

12°C

Humidity 93%
Wind Speed N 13 mph
Barometer 29.76 in (1007.6 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Wind Chill50°F (10°C)
Last update 12 Oct 2:56 am EDT
Extended Forecast for

Ivoryton CT

  • Overnight

    Overnight: A 20 percent chance of showers and thunderstorms. Cloudy, with a low around 53. North wind around 9 mph, with gusts as high as 20 mph.

    Low: 53 °F

    Slight Chance
    T-storms

  • Columbus Day

    Columbus Day: Mostly cloudy through mid morning, then gradual clearing, with a high near 72. North wind 6 to 9 mph.

    High: 72 °F

    Becoming
    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 54. Light northwest wind.

    Low: 54 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 68. East wind 5 to 8 mph becoming southeast in the afternoon.

    High: 68 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers and thunderstorms before 2am. Cloudy, then gradually becoming partly cloudy, with a low around 61. South wind 5 to 8 mph, with gusts as high as 20 mph.

    Low: 61 °F

    Chance
    Showers

  • Wednesday

    Wednesday: Mostly sunny, with a high near 75.

    High: 75 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 54.

    Low: 54 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 66.

    High: 66 °F

    Sunny

  • Thursday Night

    Thursday Night: A 50 percent chance of showers after 2am. Partly cloudy, with a low around 50.

    Low: 50 °F

    Partly Cloudy
    then Chance
    Showers

Detailed Forecast

Overnight
A 20 percent chance of showers and thunderstorms. Cloudy, with a low around 53. North wind around 9 mph, with gusts as high as 20 mph.
Columbus Day
Mostly cloudy through mid morning, then gradual clearing, with a high near 72. North wind 6 to 9 mph.
Monday Night
Mostly clear, with a low around 54. Light northwest wind.
Tuesday
Mostly cloudy, with a high near 68. East wind 5 to 8 mph becoming southeast in the afternoon.
Tuesday Night
A 30 percent chance of showers and thunderstorms before 2am. Cloudy, then gradually becoming partly cloudy, with a low around 61. South wind 5 to 8 mph, with gusts as high as 20 mph.
Wednesday
Mostly sunny, with a high near 75.
Wednesday Night
Partly cloudy, with a low around 54.
Thursday
Sunny, with a high near 66.
Thursday Night
A 50 percent chance of showers after 2am. Partly cloudy, with a low around 50.
Friday
Showers, mainly after 8am. High near 68. Chance of precipitation is 80%.
Friday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 44.
Saturday
Mostly sunny, with a high near 54. Breezy.
Saturday Night
Mostly clear, with a low around 36.
Sunday
Sunny, with a high near 56.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Ivoryton CT
 41.32°N 72.44°W (Elev. 95 ft)
Last Update:
2:35 am EDT Oct 12, 2026
Forecast Valid:
3am EDT Oct 12, 2026-6pm EDT Oct 18, 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