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

44°F

7°C

Humidity 65%
Wind Speed S 5 mph
Barometer 30.06 in (1018.0 mb)
Dewpoint 33°F (1°C)
Visibility 10.00 mi
Wind Chill41°F (5°C)
Last update 28 Feb 1:56 pm EST
Extended Forecast for

New London CT

  • This Afternoon

    This Afternoon: Sunny, with a high near 44. South wind around 7 mph.

    High: 44 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 27. East wind around 5 mph becoming calm in the evening.

    Low: 27 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Snow likely, mainly before 1pm. Cloudy, with a high near 37. North wind 3 to 8 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 37 °F

    Snow Likely

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 11. Wind chill values between 5 and 10. North wind around 6 mph.

    Low: 11 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 29. North wind around 5 mph becoming calm in the afternoon.

    High: 29 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 16.

    Low: 16 °F

    Mostly Clear

  • Tuesday

    Tuesday: Rain likely after 1pm. Increasing clouds, with a high near 42. Chance of precipitation is 70%.

    High: 42 °F

    Partly Sunny
    then Rain
    Likely

  • Tuesday Night

    Tuesday Night: Rain. Low around 35. Chance of precipitation is 90%.

    Low: 35 °F

    Rain

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 48.

    High: 48 °F

    Mostly Cloudy

Detailed Forecast

This Afternoon
Sunny, with a high near 44. South wind around 7 mph.
Tonight
Increasing clouds, with a low around 27. East wind around 5 mph becoming calm in the evening.
Sunday
Snow likely, mainly before 1pm. Cloudy, with a high near 37. North wind 3 to 8 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Sunday Night
Mostly clear, with a low around 11. Wind chill values between 5 and 10. North wind around 6 mph.
Monday
Sunny, with a high near 29. North wind around 5 mph becoming calm in the afternoon.
Monday Night
Mostly clear, with a low around 16.
Tuesday
Rain likely after 1pm. Increasing clouds, with a high near 42. Chance of precipitation is 70%.
Tuesday Night
Rain. Low around 35. Chance of precipitation is 90%.
Wednesday
Mostly cloudy, with a high near 48.
Wednesday Night
A 40 percent chance of rain after 1am. Mostly cloudy, with a low around 33.
Thursday
A 40 percent chance of rain. Cloudy, with a high near 50.
Thursday Night
A 50 percent chance of rain. Cloudy, with a low around 38.
Friday
A 40 percent chance of rain. Cloudy, with a high near 49.
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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:
1:49 pm EST Feb 28, 2026
Forecast Valid:
2pm EST Feb 28, 2026-6pm EST Mar 6, 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