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

42°F

6°C

Humidity 73%
Wind Speed NW 9 mph
Barometer 29.89 in (1012.2 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Wind Chill37°F (3°C)
Last update 16 Oct 4:56 am EDT
Extended Forecast for

East Lyme CT

  • Today

    Today: Sunny, with a high near 56. North wind 9 to 15 mph, with gusts as high as 26 mph.

    High: 56 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 40. North wind 8 to 10 mph, with gusts as high as 24 mph.

    Low: 40 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 62. North wind 9 to 11 mph.

    High: 62 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 40. North wind 3 to 5 mph.

    Low: 40 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 64. Light and variable wind becoming west around 5 mph in the afternoon.

    High: 64 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 48.

    Low: 48 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 68.

    High: 68 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Showers likely, mainly after 2am. Mostly cloudy, with a low around 52. Chance of precipitation is 70%.

    Low: 52 °F

    Showers
    Likely

  • Monday

    Monday: Showers likely, mainly before 8am. Partly sunny, with a high near 65. Chance of precipitation is 60%.

    High: 65 °F

    Showers
    Likely

Detailed Forecast

Today
Sunny, with a high near 56. North wind 9 to 15 mph, with gusts as high as 26 mph.
Tonight
Clear, with a low around 40. North wind 8 to 10 mph, with gusts as high as 24 mph.
Friday
Sunny, with a high near 62. North wind 9 to 11 mph.
Friday Night
Mostly clear, with a low around 40. North wind 3 to 5 mph.
Saturday
Sunny, with a high near 64. Light and variable wind becoming west around 5 mph in the afternoon.
Saturday Night
Partly cloudy, with a low around 48.
Sunday
Mostly sunny, with a high near 68.
Sunday Night
Showers likely, mainly after 2am. Mostly cloudy, with a low around 52. Chance of precipitation is 70%.
Monday
Showers likely, mainly before 8am. Partly sunny, with a high near 65. Chance of precipitation is 60%.
Monday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 47.
Tuesday
Mostly sunny, with a high near 66.
Tuesday Night
A 30 percent chance of showers. Partly cloudy, with a low around 49.
Wednesday
A 30 percent chance of showers. Partly sunny, with a high near 65.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
East Lyme CT
 41.39°N 72.25°W (Elev. 197 ft)
Last Update:
1:38 am EDT Oct 16, 2025
Forecast Valid:
5am EDT Oct 16, 2025-6pm EDT Oct 22, 2025
 
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