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

35°F

2°C

Humidity 76%
Wind Speed E 8 mph
Barometer 29.89 in (1012.1 mb)
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Wind Chill28°F (-2°C)
Last update 6 Jan 4:56 pm EST
Extended Forecast for

New London CT

  • This Afternoon

    This Afternoon: A 20 percent chance of rain. Cloudy, with a steady temperature around 36. Calm wind.

    High: 36 °F

    Slight Chance
    Rain

  • Tonight

    Tonight: Rain likely, mainly between 10pm and 4am. Patchy fog after 10pm. Otherwise, cloudy, with a low around 33. Calm wind. Chance of precipitation is 60%.

    Low: 33 °F

    Rain Likely
    and Patchy
    Fog

  • Wednesday

    Wednesday: A 30 percent chance of rain, mainly before 7am. Cloudy, then gradually becoming mostly sunny, with a high near 42. Calm wind becoming west 5 to 9 mph in the morning. Winds could gust as high as 21 mph.

    High: 42 °F

    Chance Rain
    then Partly
    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 29. Northwest wind 3 to 5 mph.

    Low: 29 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 44. Northwest wind around 6 mph becoming calm in the afternoon.

    High: 44 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 30.

    Low: 30 °F

    Mostly Cloudy

  • Friday

    Friday: Rain likely, mainly after 1pm. Mostly cloudy, with a high near 49. Chance of precipitation is 60%.

    High: 49 °F

    Chance Rain
    then Rain
    Likely

  • Friday Night

    Friday Night: A 40 percent chance of rain. Cloudy, with a low around 40.

    Low: 40 °F

    Chance Rain

  • Saturday

    Saturday: Rain. High near 48. Chance of precipitation is 80%.

    High: 48 °F

    Rain

Detailed Forecast

This Afternoon
A 20 percent chance of rain. Cloudy, with a steady temperature around 36. Calm wind.
Tonight
Rain likely, mainly between 10pm and 4am. Patchy fog after 10pm. Otherwise, cloudy, with a low around 33. Calm wind. Chance of precipitation is 60%.
Wednesday
A 30 percent chance of rain, mainly before 7am. Cloudy, then gradually becoming mostly sunny, with a high near 42. Calm wind becoming west 5 to 9 mph in the morning. Winds could gust as high as 21 mph.
Wednesday Night
Mostly clear, with a low around 29. Northwest wind 3 to 5 mph.
Thursday
Sunny, with a high near 44. Northwest wind around 6 mph becoming calm in the afternoon.
Thursday Night
Mostly cloudy, with a low around 30.
Friday
Rain likely, mainly after 1pm. Mostly cloudy, with a high near 49. Chance of precipitation is 60%.
Friday Night
A 40 percent chance of rain. Cloudy, with a low around 40.
Saturday
Rain. High near 48. Chance of precipitation is 80%.
Saturday Night
Rain, mainly before 1am. Low around 37. Chance of precipitation is 80%.
Sunday
A 40 percent chance of rain. Mostly cloudy, with a high near 46.
Sunday Night
Mostly cloudy, with a low around 28.
Monday
Mostly sunny, with a high near 39.
Monday Night
Partly cloudy, with a low around 28.
Tuesday
Mostly sunny, with a high near 42.
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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:
1:40 pm EST Jan 6, 2026
Forecast Valid:
5pm EST Jan 6, 2026-6pm EST Jan 13, 2026
 
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Additional Resources

Radar & Satellite Image

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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