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.

Mostly Cloudy

52°F

11°C

Humidity 83%
Wind Speed SE 9 mph
Barometer 29.85 in (1010.7 mb)
Dewpoint 47°F (8°C)
Visibility 10.00 mi
Wind Chill49°F (9°C)
Last update 11 Mar 3:56 pm EDT
Extended Forecast for

2 Miles S East Lyme CT

  • Tonight

    Tonight: A slight chance of showers before 11pm, then a chance of showers and thunderstorms between 11pm and 2am, then a chance of showers after 2am. Mostly cloudy, with a low around 39. Southwest wind 6 to 8 mph, with gusts as high as 22 mph. Chance of precipitation is 50%.

    Low: 39 °F

    Chance
    Showers

  • Thursday

    Thursday: Showers likely, mainly before 2pm. Cloudy, with a high near 54. Southwest wind 8 to 13 mph becoming northwest in the morning. Winds could gust as high as 24 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    High: 54 °F

    Showers
    Likely

  • Thursday Night

    Thursday Night: A 30 percent chance of showers before 8pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 28. West wind 6 to 8 mph, with gusts as high as 20 mph.

    Low: 28 °F

    Chance
    Showers then
    Mostly Clear

  • Friday

    Friday: Increasing clouds, with a high near 43. Light and variable wind becoming south 5 to 10 mph in the morning. Winds could gust as high as 22 mph.

    High: 43 °F

    Increasing
    Clouds

  • Friday Night

    Friday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 36. South wind 8 to 10 mph, with gusts as high as 24 mph.

    Low: 36 °F

    Decreasing
    Clouds

  • Saturday

    Saturday: Sunny, with a high near 48.

    High: 48 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 29.

    Low: 29 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 46.

    High: 46 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Showers likely, mainly after 2am. Cloudy, with a low around 36. Chance of precipitation is 70%.

    Low: 36 °F

    Chance
    Showers then
    Showers
    Likely

Detailed Forecast

Tonight
A slight chance of showers before 11pm, then a chance of showers and thunderstorms between 11pm and 2am, then a chance of showers after 2am. Mostly cloudy, with a low around 39. Southwest wind 6 to 8 mph, with gusts as high as 22 mph. Chance of precipitation is 50%.
Thursday
Showers likely, mainly before 2pm. Cloudy, with a high near 54. Southwest wind 8 to 13 mph becoming northwest in the morning. Winds could gust as high as 24 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
A 30 percent chance of showers before 8pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 28. West wind 6 to 8 mph, with gusts as high as 20 mph.
Friday
Increasing clouds, with a high near 43. Light and variable wind becoming south 5 to 10 mph in the morning. Winds could gust as high as 22 mph.
Friday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 36. South wind 8 to 10 mph, with gusts as high as 24 mph.
Saturday
Sunny, with a high near 48.
Saturday Night
Partly cloudy, with a low around 29.
Sunday
Mostly cloudy, with a high near 46.
Sunday Night
Showers likely, mainly after 2am. Cloudy, with a low around 36. Chance of precipitation is 70%.
Monday
Showers. High near 55. Chance of precipitation is 90%.
Monday Night
Showers likely. Mostly cloudy, with a low around 30. Chance of precipitation is 60%.
Tuesday
A 30 percent chance of showers. Mostly sunny, with a high near 40.
Tuesday Night
Mostly clear, with a low around 21.
Wednesday
Mostly sunny, with a high near 37.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles S East Lyme CT
 41.34°N 72.26°W (Elev. 75 ft)
Last Update:
3:16 pm EDT Mar 11, 2026
Forecast Valid:
4pm EDT Mar 11, 2026-6pm EDT Mar 18, 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