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

46°F

8°C

Humidity 58%
Wind Speed SW 5 mph
Barometer 29.90 in (1012.3 mb)
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Wind Chill44°F (7°C)
Last update 23 Nov 2:56 pm EST
Extended Forecast for

New London CT

  • This Afternoon

    This Afternoon: A 20 percent chance of showers. Mostly cloudy, with a high near 47. Southwest wind around 7 mph.

    High: 47 °F

    Slight Chance
    Showers

  • Tonight

    Tonight: A 20 percent chance of showers before 8pm. Partly cloudy, with a low around 34. West wind around 8 mph, with gusts as high as 22 mph.

    Low: 34 °F

    Slight Chance
    Showers then
    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 50. Northwest wind 6 to 11 mph, with gusts as high as 21 mph.

    High: 50 °F

    Sunny

  • Monday Night

    Monday Night: Increasing clouds, with a low around 34. Light and variable wind.

    Low: 34 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: A 30 percent chance of rain after 1pm. Cloudy, with a high near 56. South wind 5 to 11 mph.

    High: 56 °F

    Cloudy then
    Chance Rain

  • Tuesday Night

    Tuesday Night: Rain. Steady temperature around 51. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 51 °F

    Rain

  • Wednesday

    Wednesday: A 40 percent chance of rain. Cloudy, with a high near 59.

    High: 59 °F

    Chance Rain

  • Wednesday Night

    Wednesday Night: A 40 percent chance of rain before 1am. Mostly cloudy, with a low around 38.

    Low: 38 °F

    Chance Rain

  • Thanksgiving Day

    Thanksgiving Day: Mostly sunny, with a high near 46.

    High: 46 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
A 20 percent chance of showers. Mostly cloudy, with a high near 47. Southwest wind around 7 mph.
Tonight
A 20 percent chance of showers before 8pm. Partly cloudy, with a low around 34. West wind around 8 mph, with gusts as high as 22 mph.
Monday
Sunny, with a high near 50. Northwest wind 6 to 11 mph, with gusts as high as 21 mph.
Monday Night
Increasing clouds, with a low around 34. Light and variable wind.
Tuesday
A 30 percent chance of rain after 1pm. Cloudy, with a high near 56. South wind 5 to 11 mph.
Tuesday Night
Rain. Steady temperature around 51. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday
A 40 percent chance of rain. Cloudy, with a high near 59.
Wednesday Night
A 40 percent chance of rain before 1am. Mostly cloudy, with a low around 38.
Thanksgiving Day
Mostly sunny, with a high near 46.
Thursday Night
Mostly clear, with a low around 30.
Friday
Mostly sunny, with a high near 42. Breezy.
Friday Night
Mostly clear, with a low around 29.
Saturday
Mostly sunny, with a high near 42.
Saturday Night
Partly cloudy, with a low around 29.
Sunday
Partly sunny, with a high near 48.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
New London CT
 41.35°N 72.11°W (Elev. 98 ft)
Last Update:
2:01 pm EST Nov 23, 2025
Forecast Valid:
4pm EST Nov 23, 2025-6pm EST Nov 30, 2025
 
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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