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.

Partly Cloudy

43°F

6°C

Humidity 80%
Wind Speed SW 9 mph
Barometer 29.71 in (1006.0 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Wind Chill38°F (3°C)
Last update 14 Jan 9:56 am EST
Extended Forecast for

New London CT

  • Today

    Today: Mostly cloudy, with a high near 48. Southwest wind 5 to 8 mph.

    High: 48 °F

    Mostly Cloudy

  • Tonight

    Tonight: Showers likely, mainly between 1am and 4am. Cloudy, with a steady temperature around 42. Light and variable wind. Chance of precipitation is 60%.

    Low: 42 °F

    Chance
    Showers then
    Showers
    Likely

  • Thursday

    Thursday: A 30 percent chance of showers, mainly before 7am. Cloudy, then gradually becoming mostly sunny, with a temperature falling to around 31 by 5pm. Wind chill values between 20 and 30. West wind 5 to 14 mph, with gusts as high as 24 mph.

    High: 41 °F⇓

    Chance
    Showers

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 18. Wind chill values between 5 and 15. West wind 8 to 11 mph, with gusts as high as 30 mph.

    Low: 18 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 35. West wind 10 to 14 mph, with gusts as high as 31 mph.

    High: 35 °F

    Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a steady temperature around 31.

    Low: 31 °F

    Mostly Cloudy

  • Saturday

    Saturday: A 30 percent chance of rain after 1pm. Mostly cloudy, with a high near 41.

    High: 41 °F

    Mostly Cloudy
    then Chance
    Rain

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 27.

    Low: 27 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 34.

    High: 34 °F

    Partly Sunny

Detailed Forecast

Today
Mostly cloudy, with a high near 48. Southwest wind 5 to 8 mph.
Tonight
Showers likely, mainly between 1am and 4am. Cloudy, with a steady temperature around 42. Light and variable wind. Chance of precipitation is 60%.
Thursday
A 30 percent chance of showers, mainly before 7am. Cloudy, then gradually becoming mostly sunny, with a temperature falling to around 31 by 5pm. Wind chill values between 20 and 30. West wind 5 to 14 mph, with gusts as high as 24 mph.
Thursday Night
Partly cloudy, with a low around 18. Wind chill values between 5 and 15. West wind 8 to 11 mph, with gusts as high as 30 mph.
Friday
Sunny, with a high near 35. West wind 10 to 14 mph, with gusts as high as 31 mph.
Friday Night
Mostly cloudy, with a steady temperature around 31.
Saturday
A 30 percent chance of rain after 1pm. Mostly cloudy, with a high near 41.
Saturday Night
Mostly cloudy, with a low around 27.
Sunday
Partly sunny, with a high near 34.
Sunday Night
Partly cloudy, with a low around 20.
M.L.King Day
Mostly sunny, with a high near 32.
Monday Night
Mostly cloudy, with a low around 20.
Tuesday
Mostly sunny, with a high near 30.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
New London CT
 41.37°N 72.11°W (Elev. 125 ft)
Last Update:
6:04 am EST Jan 14, 2026
Forecast Valid:
10am EST Jan 14, 2026-6pm EST Jan 20, 2026
 
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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