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

38°F

3°C

Humidity 57%
Wind Speed W 12 mph
Barometer 29.90 in (1012.6 mb)
Dewpoint 24°F (-4°C)
Visibility 10.00 mi
Wind Chill30°F (-1°C)
Last update 17 Nov 10:56 pm EST
Extended Forecast for

New London CT

  • Tonight

    Tonight: Mostly clear, with a low around 32. West wind around 8 mph, with gusts as high as 24 mph.

    Low: 32 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 47. West wind 8 to 11 mph, with gusts as high as 21 mph.

    High: 47 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 20 percent chance of snow after 1am. Mostly cloudy, with a low around 31. Light northwest wind.

    Low: 31 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Wednesday

    Wednesday: Mostly sunny, with a high near 48. Calm wind becoming north 5 to 7 mph.

    High: 48 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 30. Calm wind.

    Low: 30 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly cloudy, with a high near 49.

    High: 49 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 39.

    Low: 39 °F

    Mostly Cloudy

  • Friday

    Friday: A 50 percent chance of rain. Mostly cloudy, with a high near 56.

    High: 56 °F

    Chance Rain

  • Friday Night

    Friday Night: A 40 percent chance of rain. Mostly cloudy, with a low around 39.

    Low: 39 °F

    Chance Rain

Detailed Forecast

Tonight
Mostly clear, with a low around 32. West wind around 8 mph, with gusts as high as 24 mph.
Tuesday
Mostly sunny, with a high near 47. West wind 8 to 11 mph, with gusts as high as 21 mph.
Tuesday Night
A 20 percent chance of snow after 1am. Mostly cloudy, with a low around 31. Light northwest wind.
Wednesday
Mostly sunny, with a high near 48. Calm wind becoming north 5 to 7 mph.
Wednesday Night
Partly cloudy, with a low around 30. Calm wind.
Thursday
Mostly cloudy, with a high near 49.
Thursday Night
Mostly cloudy, with a low around 39.
Friday
A 50 percent chance of rain. Mostly cloudy, with a high near 56.
Friday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 39.
Saturday
A 40 percent chance of rain. Partly sunny, with a high near 50.
Saturday Night
Partly cloudy, with a low around 32.
Sunday
Mostly sunny, with a high near 49.
Sunday Night
Partly cloudy, with a low around 35.
Monday
Mostly sunny, with a high near 52.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
New London CT
 41.35°N 72.11°W (Elev. 98 ft)
Last Update:
9:16 pm EST Nov 17, 2025
Forecast Valid:
11pm EST Nov 17, 2025-6pm EST Nov 24, 2025
 
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