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

69°F

21°C

Humidity 100%
Wind Speed Calm
Barometer 29.88 in (1011.6 mb)
Dewpoint 69°F (21°C)
Visibility 9.00 mi
Last update 19 Aug 12:56 am EDT
Extended Forecast for

2 Miles WSW Ivoryton CT

  • Overnight

    Overnight: Partly cloudy, with a low around 66. Calm wind.

    Low: 66 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 84. Calm wind becoming southwest around 6 mph in the afternoon.

    High: 84 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 68. Calm wind.

    Low: 68 °F

    Partly Cloudy

  • Thursday

    Thursday: A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 83. Light west wind.

    High: 83 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 61. Calm wind.

    Low: 61 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 81.

    High: 81 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 63.

    Low: 63 °F

    Mostly Cloudy

  • Saturday

    Saturday: A 50 percent chance of showers after 8am. Partly sunny, with a high near 77.

    High: 77 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: Showers likely, mainly after 2am. Mostly cloudy, with a low around 64. Chance of precipitation is 60%.

    Low: 64 °F

    Showers
    Likely

Detailed Forecast

Overnight
Partly cloudy, with a low around 66. Calm wind.
Wednesday
Sunny, with a high near 84. Calm wind becoming southwest around 6 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 68. Calm wind.
Thursday
A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 83. Light west wind.
Thursday Night
Partly cloudy, with a low around 61. Calm wind.
Friday
Mostly sunny, with a high near 81.
Friday Night
Mostly cloudy, with a low around 63.
Saturday
A 50 percent chance of showers after 8am. Partly sunny, with a high near 77.
Saturday Night
Showers likely, mainly after 2am. Mostly cloudy, with a low around 64. Chance of precipitation is 60%.
Sunday
Showers likely, mainly before 8am. Mostly cloudy, with a high near 80. Chance of precipitation is 60%.
Sunday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 63.
Monday
Sunny, with a high near 80.
Monday Night
Mostly clear, with a low around 61.
Tuesday
Sunny, with a high near 80.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles WSW Ivoryton CT
 41.33°N 72.47°W (Elev. 167 ft)
Last Update:
2:34 pm EDT Aug 18, 2026
Forecast Valid:
1am EDT Aug 19, 2026-6pm EDT Aug 25, 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