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

37°F

3°C

Humidity 93%
Wind Speed N 3 mph
Barometer 30.07 in (1018.1 mb)
Dewpoint 35°F (2°C)
Visibility 10.00 mi
Last update 7 Oct 3:56 am EDT
Extended Forecast for

East Lyme CT

  • Today

    Today: Sunny, with a high near 64. Light and variable wind becoming southwest 6 to 11 mph in the morning.

    High: 64 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 54. Southwest wind around 8 mph.

    Low: 54 °F

    Partly Cloudy

  • Thursday

    Thursday: A slight chance of showers between 11am and 2pm. Partly sunny, with a high near 72. West wind 6 to 11 mph. Chance of precipitation is 20%.

    High: 72 °F

    Slight Chance
    Showers

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 49. Northwest wind 5 to 7 mph becoming calm in the evening.

    Low: 49 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 69. Light west wind increasing to 5 to 9 mph in the morning.

    High: 69 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 47.

    Low: 47 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 68.

    High: 68 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 53.

    Low: 53 °F

    Partly Cloudy

  • Sunday

    Sunday: A 30 percent chance of showers after 2pm. Mostly sunny, with a high near 70.

    High: 70 °F

    Mostly Sunny
    then Chance
    Showers

Detailed Forecast

Today
Sunny, with a high near 64. Light and variable wind becoming southwest 6 to 11 mph in the morning.
Tonight
Partly cloudy, with a low around 54. Southwest wind around 8 mph.
Thursday
A slight chance of showers between 11am and 2pm. Partly sunny, with a high near 72. West wind 6 to 11 mph. Chance of precipitation is 20%.
Thursday Night
Mostly clear, with a low around 49. Northwest wind 5 to 7 mph becoming calm in the evening.
Friday
Sunny, with a high near 69. Light west wind increasing to 5 to 9 mph in the morning.
Friday Night
Mostly clear, with a low around 47.
Saturday
Sunny, with a high near 68.
Saturday Night
Partly cloudy, with a low around 53.
Sunday
A 30 percent chance of showers after 2pm. Mostly sunny, with a high near 70.
Sunday Night
Showers likely, mainly after 8pm. Mostly cloudy, with a low around 58. Chance of precipitation is 70%.
Columbus Day
Showers likely. Mostly cloudy, with a high near 70. Chance of precipitation is 60%.
Monday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 54.
Tuesday
Partly sunny, with a high near 67.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
East Lyme CT
 41.39°N 72.25°W (Elev. 197 ft)
Last Update:
3:09 am EDT Oct 7, 2026
Forecast Valid:
4am EDT Oct 7, 2026-6pm EDT Oct 13, 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