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

34°F

1°C

Humidity 56%
Wind Speed NW 5 mph
Barometer 30.02 in (1016.7 mb)
Dewpoint 20°F (-7°C)
Visibility 10.00 mi
Wind Chill29°F (-2°C)
Last update 3 Dec 4:56 pm EST
Extended Forecast for

New London CT

  • Tonight

    Tonight: Mostly clear, with a low around 28. Calm wind becoming west around 6 mph after midnight.

    Low: 28 °F

    Mostly Clear

  • Thursday

    Thursday: Increasing clouds, with a high near 40. Wind chill values between 25 and 30. West wind 7 to 14 mph, with gusts as high as 26 mph.

    High: 40 °F

    Increasing
    Clouds

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 13. Wind chill values between 5 and 10. Northwest wind 6 to 13 mph, with gusts as high as 33 mph.

    Low: 13 °F

    Mostly Clear

  • Friday

    Friday: Increasing clouds, with a high near 31. Wind chill values between 15 and 25. Calm wind becoming southwest 5 to 7 mph in the afternoon.

    High: 31 °F

    Increasing
    Clouds

  • Friday Night

    Friday Night: A 30 percent chance of light snow, mainly after 1am. Mostly cloudy, with a low around 23. Calm wind.

    Low: 23 °F

    Chance Light
    Snow

  • Saturday

    Saturday: A 30 percent chance of rain before 1pm. Partly sunny, with a high near 40.

    High: 40 °F

    Chance Rain

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 26.

    Low: 26 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 41.

    High: 41 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 21.

    Low: 21 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 28. Calm wind becoming west around 6 mph after midnight.
Thursday
Increasing clouds, with a high near 40. Wind chill values between 25 and 30. West wind 7 to 14 mph, with gusts as high as 26 mph.
Thursday Night
Mostly clear, with a low around 13. Wind chill values between 5 and 10. Northwest wind 6 to 13 mph, with gusts as high as 33 mph.
Friday
Increasing clouds, with a high near 31. Wind chill values between 15 and 25. Calm wind becoming southwest 5 to 7 mph in the afternoon.
Friday Night
A 30 percent chance of light snow, mainly after 1am. Mostly cloudy, with a low around 23. Calm wind.
Saturday
A 30 percent chance of rain before 1pm. Partly sunny, with a high near 40.
Saturday Night
Partly cloudy, with a low around 26.
Sunday
Mostly sunny, with a high near 41.
Sunday Night
Mostly cloudy, with a low around 21.
Monday
Mostly sunny, with a high near 30.
Monday Night
Mostly clear, with a low around 14.
Tuesday
Mostly sunny, with a high near 36.
Tuesday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 26.
Wednesday
A chance of rain and snow. Partly sunny, with a high near 43. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
New London CT
 41.37°N 72.11°W (Elev. 125 ft)
Last Update:
4:09 pm EST Dec 3, 2025
Forecast Valid:
5pm EST Dec 3, 2025-6pm EST Dec 10, 2025
 
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Additional Resources

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National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation