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

39°F

4°C

Humidity 89%
Wind Speed N 12 mph
Barometer 29.79 in (1008.8 mb)
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Wind Chill32°F (0°C)
Last update 23 Mar 11:56 am EDT
Extended Forecast for

New London CT

  • This Afternoon

    This Afternoon: A chance of rain before 2pm, then a chance of showers after 2pm. Cloudy, with a high near 40. North wind around 9 mph, with gusts as high as 20 mph. Chance of precipitation is 50%.

    High: 40 °F

    Chance Rain

  • Tonight

    Tonight: A 30 percent chance of showers before 8pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 30. North wind 3 to 6 mph.

    Low: 30 °F

    Chance
    Showers then
    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 46. North wind around 6 mph becoming west in the afternoon.

    High: 46 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Increasing clouds, with a low around 32. Southwest wind around 6 mph.

    Low: 32 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: Partly sunny, with a high near 49. Light southwest wind increasing to 6 to 11 mph in the morning. Winds could gust as high as 21 mph.

    High: 49 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 38.

    Low: 38 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly cloudy, with a high near 54.

    High: 54 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: Rain likely after 2am. Mostly cloudy, with a low around 43. Chance of precipitation is 60%.

    Low: 43 °F

    Mostly Cloudy
    then Rain
    Likely

  • Friday

    Friday: Rain likely, mainly before 8am. Partly sunny, with a high near 52. Chance of precipitation is 60%.

    High: 52 °F

    Rain Likely

Detailed Forecast

This Afternoon
A chance of rain before 2pm, then a chance of showers after 2pm. Cloudy, with a high near 40. North wind around 9 mph, with gusts as high as 20 mph. Chance of precipitation is 50%.
Tonight
A 30 percent chance of showers before 8pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 30. North wind 3 to 6 mph.
Tuesday
Sunny, with a high near 46. North wind around 6 mph becoming west in the afternoon.
Tuesday Night
Increasing clouds, with a low around 32. Southwest wind around 6 mph.
Wednesday
Partly sunny, with a high near 49. Light southwest wind increasing to 6 to 11 mph in the morning. Winds could gust as high as 21 mph.
Wednesday Night
Mostly cloudy, with a low around 38.
Thursday
Mostly cloudy, with a high near 54.
Thursday Night
Rain likely after 2am. Mostly cloudy, with a low around 43. Chance of precipitation is 60%.
Friday
Rain likely, mainly before 8am. Partly sunny, with a high near 52. Chance of precipitation is 60%.
Friday Night
Partly cloudy, with a low around 24.
Saturday
Sunny, with a high near 40.
Saturday Night
Mostly clear, with a low around 27.
Sunday
Sunny, with a high near 46.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
New London CT
 41.35°N 72.11°W (Elev. 98 ft)
Last Update:
2:12 am EDT Mar 23, 2026
Forecast Valid:
12pm EDT Mar 23, 2026-6pm EDT Mar 29, 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