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

61°F

16°C

Humidity 63%
Wind Speed NW 5 mph
Barometer 29.90 in (1012.4 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 8 Oct 6:56 pm EDT
Extended Forecast for

East Lyme CT

  • Tonight

    Tonight: Clear, with a low around 48. Calm wind becoming northwest around 5 mph.

    Low: 48 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 68. Light northwest wind becoming west 9 to 14 mph in the morning. Winds could gust as high as 25 mph.

    High: 68 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 46. Calm wind becoming west around 6 mph after midnight.

    Low: 46 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 67. North wind around 6 mph becoming light and variable.

    High: 67 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 50. Calm wind.

    Low: 50 °F

    Mostly Cloudy

  • Sunday

    Sunday: A 30 percent chance of showers after 2pm. Mostly cloudy, with a high near 67.

    High: 67 °F

    Partly Sunny
    then Chance
    Showers

  • Sunday Night

    Sunday Night: Showers, mainly after 8pm. Low around 57. Chance of precipitation is 90%.

    Low: 57 °F

    Showers

  • Columbus Day

    Columbus Day: A 40 percent chance of showers before 2pm. Mostly cloudy, with a high near 70.

    High: 70 °F

    Chance
    Showers

  • Monday Night

    Monday Night: Partly cloudy, with a low around 57.

    Low: 57 °F

    Partly Cloudy

Detailed Forecast

Tonight
Clear, with a low around 48. Calm wind becoming northwest around 5 mph.
Friday
Sunny, with a high near 68. Light northwest wind becoming west 9 to 14 mph in the morning. Winds could gust as high as 25 mph.
Friday Night
Mostly clear, with a low around 46. Calm wind becoming west around 6 mph after midnight.
Saturday
Sunny, with a high near 67. North wind around 6 mph becoming light and variable.
Saturday Night
Mostly cloudy, with a low around 50. Calm wind.
Sunday
A 30 percent chance of showers after 2pm. Mostly cloudy, with a high near 67.
Sunday Night
Showers, mainly after 8pm. Low around 57. Chance of precipitation is 90%.
Columbus Day
A 40 percent chance of showers before 2pm. Mostly cloudy, with a high near 70.
Monday Night
Partly cloudy, with a low around 57.
Tuesday
Mostly sunny, with a high near 71.
Tuesday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 52.
Wednesday
Mostly sunny, with a high near 63.
Wednesday Night
Partly cloudy, with a low around 45.
Thursday
Mostly sunny, with a high near 61.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
East Lyme CT
 41.38°N 72.22°W (Elev. 197 ft)
Last Update:
7:31 pm EDT Oct 8, 2026
Forecast Valid:
7pm EDT Oct 8, 2026-6pm EDT Oct 15, 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