National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Groton / New London, Groton / New London Airport (KGON)

Lat: 41.33°NLon: 72.05°WElev: 10ft.

Fair

67°F

19°C

Humidity 66%
Wind Speed S 8 mph
Barometer 29.83 in (1010.0 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 17 Jun 6:56 pm EDT
Extended Forecast for

New London CT

  • Tonight

    Tonight: Increasing clouds, with a low around 60. South wind 3 to 6 mph.

    Low: 60 °F

    Increasing
    Clouds

  • Thursday

    Thursday: A chance of showers, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 77. South wind 10 to 17 mph, with gusts as high as 31 mph. Chance of precipitation is 50%.

    High: 77 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 65. Southwest wind 6 to 10 mph, with gusts as high as 24 mph.

    Low: 65 °F

    Decreasing
    Clouds

  • Juneteenth

    Juneteenth: Sunny, with a high near 80. West wind 8 to 13 mph.

    High: 80 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 62. West wind around 7 mph.

    Low: 62 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 78.

    High: 78 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 59.

    Low: 59 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 78.

    High: 78 °F

    Sunny

  • Sunday Night

    Sunday Night: A 30 percent chance of showers after 2am. Partly cloudy, with a low around 61.

    Low: 61 °F

    Partly Cloudy
    then Chance
    Showers

Detailed Forecast

Tonight
Increasing clouds, with a low around 60. South wind 3 to 6 mph.
Thursday
A chance of showers, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 77. South wind 10 to 17 mph, with gusts as high as 31 mph. Chance of precipitation is 50%.
Thursday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 65. Southwest wind 6 to 10 mph, with gusts as high as 24 mph.
Juneteenth
Sunny, with a high near 80. West wind 8 to 13 mph.
Friday Night
Clear, with a low around 62. West wind around 7 mph.
Saturday
Sunny, with a high near 78.
Saturday Night
Clear, with a low around 59.
Sunday
Sunny, with a high near 78.
Sunday Night
A 30 percent chance of showers after 2am. Partly cloudy, with a low around 61.
Monday
Showers, mainly after 8am. High near 76. Chance of precipitation is 80%.
Monday Night
Showers. Low around 61. Chance of precipitation is 80%.
Tuesday
Mostly sunny, with a high near 79.
Tuesday Night
Mostly clear, with a low around 62.
Wednesday
Sunny, with a high near 79.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
New London CT
 41.37°N 72.13°W (Elev. 121 ft)
Last Update:
2:20 pm EDT Jun 17, 2026
Forecast Valid:
7pm EDT Jun 17, 2026-6pm EDT Jun 24, 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