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

72°F

22°C

Humidity 59%
Wind Speed NW 13 mph
Barometer 29.72 in (1006.5 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 12 Oct 2:56 pm EDT
Extended Forecast for

East Lyme CT

  • Tonight

    Tonight: Patchy fog after 8pm. Otherwise, partly cloudy, with a low around 54. Northwest wind around 5 mph becoming calm in the evening.

    Low: 54 °F

    Patchy Fog

  • Tuesday

    Tuesday: Patchy fog before 11am. Otherwise, mostly cloudy, with a high near 67. East wind 5 to 8 mph becoming south in the afternoon.

    High: 67 °F

    Patchy Fog
    then Cloudy

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers before 11pm. Partly cloudy, with a low around 61. South wind 5 to 8 mph, with gusts as high as 21 mph.

    Low: 61 °F

    Slight Chance
    Showers then
    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 79. West wind 7 to 9 mph.

    High: 79 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 52. Northwest wind around 6 mph.

    Low: 52 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 65.

    High: 65 °F

    Sunny

  • Thursday Night

    Thursday Night: A 30 percent chance of showers after 2am. Partly cloudy, with a low around 47.

    Low: 47 °F

    Partly Cloudy
    then Chance
    Showers

  • Friday

    Friday: Showers, mainly after 8am. High near 67. Chance of precipitation is 80%.

    High: 67 °F

    Showers

  • Friday Night

    Friday Night: A 30 percent chance of showers before 2am. Mostly cloudy, with a low around 43.

    Low: 43 °F

    Chance
    Showers

Detailed Forecast

Tonight
Patchy fog after 8pm. Otherwise, partly cloudy, with a low around 54. Northwest wind around 5 mph becoming calm in the evening.
Tuesday
Patchy fog before 11am. Otherwise, mostly cloudy, with a high near 67. East wind 5 to 8 mph becoming south in the afternoon.
Tuesday Night
A 20 percent chance of showers before 11pm. Partly cloudy, with a low around 61. South wind 5 to 8 mph, with gusts as high as 21 mph.
Wednesday
Mostly sunny, with a high near 79. West wind 7 to 9 mph.
Wednesday Night
Partly cloudy, with a low around 52. Northwest wind around 6 mph.
Thursday
Sunny, with a high near 65.
Thursday Night
A 30 percent chance of showers after 2am. Partly cloudy, with a low around 47.
Friday
Showers, mainly after 8am. High near 67. Chance of precipitation is 80%.
Friday Night
A 30 percent chance of showers before 2am. Mostly cloudy, with a low around 43.
Saturday
Mostly sunny, with a high near 53. Breezy.
Saturday Night
Mostly clear, with a low around 35.
Sunday
Sunny, with a high near 55.
Sunday Night
Mostly clear, with a low around 40.
Monday
Sunny, with a high near 62.
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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:
2:47 pm EDT Oct 12, 2026
Forecast Valid:
3pm EDT Oct 12, 2026-6pm EDT Oct 19, 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