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

17°F

-8°C

Humidity 45%
Wind Speed W 8 mph
Barometer 30.48 in (1032.2 mb)
Dewpoint -1°F (-18°C)
Visibility 10.00 mi
Wind Chill7°F (-14°C)
Last update 21 Jan 12:56 am EST
Extended Forecast for

New London CT

  • Overnight

    Overnight: Clear, with a low around 12. Light west wind.

    Low: 12 °F

    Clear

  • Wednesday

    Wednesday: Increasing clouds, with a high near 33. Wind chill values between 10 and 20. Light and variable wind becoming southwest 5 to 10 mph in the morning. Winds could gust as high as 20 mph.

    High: 33 °F

    Increasing
    Clouds

  • Wednesday Night

    Wednesday Night: A chance of rain and snow before 1am, then a chance of snow between 1am and 4am. Cloudy, with a low around 30. Southwest wind around 7 mph, with gusts as high as 22 mph. Chance of precipitation is 40%.

    Low: 30 °F

    Chance
    Rain/Snow

  • Thursday

    Thursday: Mostly sunny, with a high near 42. Southwest wind 7 to 13 mph, with gusts as high as 24 mph.

    High: 42 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 24. West wind around 6 mph.

    Low: 24 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 32.

    High: 32 °F

    Partly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 6.

    Low: 6 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny and cold, with a high near 15.

    High: 15 °F

    Cold

  • Saturday Night

    Saturday Night: A 30 percent chance of snow after 1am. Mostly cloudy, with a low around 6.

    Low: 6 °F

    Mostly Cloudy
    then Chance
    Snow

Detailed Forecast

Overnight
Clear, with a low around 12. Light west wind.
Wednesday
Increasing clouds, with a high near 33. Wind chill values between 10 and 20. Light and variable wind becoming southwest 5 to 10 mph in the morning. Winds could gust as high as 20 mph.
Wednesday Night
A chance of rain and snow before 1am, then a chance of snow between 1am and 4am. Cloudy, with a low around 30. Southwest wind around 7 mph, with gusts as high as 22 mph. Chance of precipitation is 40%.
Thursday
Mostly sunny, with a high near 42. Southwest wind 7 to 13 mph, with gusts as high as 24 mph.
Thursday Night
Partly cloudy, with a low around 24. West wind around 6 mph.
Friday
Partly sunny, with a high near 32.
Friday Night
Partly cloudy, with a low around 6.
Saturday
Mostly sunny and cold, with a high near 15.
Saturday Night
A 30 percent chance of snow after 1am. Mostly cloudy, with a low around 6.
Sunday
Snow likely. Mostly cloudy and cold, with a high near 20. Chance of precipitation is 60%.
Sunday Night
Snow likely. Mostly cloudy, with a low around 12. Chance of precipitation is 60%.
Monday
A 40 percent chance of snow. Partly sunny, with a high near 26.
Monday Night
Partly cloudy, with a low around 11.
Tuesday
Sunny, with a high near 26.
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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:
1:12 am EST Jan 21, 2026
Forecast Valid:
1am EST Jan 21, 2026-6pm EST Jan 27, 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