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.

Overcast

32°F

0°C

Humidity 61%
Wind Speed W 5 mph
Barometer 30.07 in (1018.1 mb)
Dewpoint 20°F (-7°C)
Visibility 10.00 mi
Wind Chill27°F (-3°C)
Last update 14 Feb 9:56 am EST
Extended Forecast for

New London CT

  • Today

    Today: Mostly cloudy, with a high near 39. Light southwest wind becoming west 5 to 9 mph in the afternoon.

    High: 39 °F

    Mostly Cloudy

  • Tonight

    Tonight: Mostly clear, with a low around 22. Calm wind.

    Low: 22 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 37. Wind chill values between 25 and 35. Calm wind becoming northeast around 5 mph.

    High: 37 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A 30 percent chance of snow, mainly after 1am. Mostly cloudy, with a low around 26. Calm wind.

    Low: 26 °F

    Chance Snow

  • Washington's Birthday

    Washington's Birthday: Partly sunny, with a high near 40. Northeast wind around 6 mph becoming calm in the afternoon.

    High: 40 °F

    Partly Sunny

  • Monday Night

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

    Low: 27 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 43.

    High: 43 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 31.

    Low: 31 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A 50 percent chance of rain. Cloudy, with a high near 42.

    High: 42 °F

    Chance Rain

Detailed Forecast

Today
Mostly cloudy, with a high near 39. Light southwest wind becoming west 5 to 9 mph in the afternoon.
Tonight
Mostly clear, with a low around 22. Calm wind.
Sunday
Mostly sunny, with a high near 37. Wind chill values between 25 and 35. Calm wind becoming northeast around 5 mph.
Sunday Night
A 30 percent chance of snow, mainly after 1am. Mostly cloudy, with a low around 26. Calm wind.
Washington's Birthday
Partly sunny, with a high near 40. Northeast wind around 6 mph becoming calm in the afternoon.
Monday Night
Mostly cloudy, with a low around 27.
Tuesday
Partly sunny, with a high near 43.
Tuesday Night
Mostly cloudy, with a low around 31.
Wednesday
A 50 percent chance of rain. Cloudy, with a high near 42.
Wednesday Night
Rain likely before 1am, then a chance of rain and snow. Cloudy, with a low around 31. Chance of precipitation is 60%.
Thursday
Mostly cloudy, with a high near 41.
Thursday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 25.
Friday
A chance of rain and snow. Mostly cloudy, with a high near 37. Chance of precipitation is 50%.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
New London CT
 41.37°N 72.11°W (Elev. 125 ft)
Last Update:
10:44 am EST Feb 14, 2026
Forecast Valid:
10am EST Feb 14, 2026-6pm EST Feb 20, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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