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.

A Few Clouds

55°F

13°C

Humidity 96%
Wind Speed Calm
Barometer 30.05 in (1017.6 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 4 Nov 9:56 pm EST
Extended Forecast for

2 Miles SSE East Lyme CT

  • Tonight

    Tonight: Mostly cloudy, with a low around 58. Southwest wind 3 to 5 mph.

    Low: 58 °F

    Mostly Cloudy

  • Thursday

    Thursday: A slight chance of rain between 10am and 1pm. Partly sunny, with a high near 72. South wind 5 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.

    High: 72 °F

    Slight Chance
    Rain

  • Thursday Night

    Thursday Night: Rain likely, mainly after 1am. Mostly cloudy, with a steady temperature around 63. Southwest wind 5 to 7 mph. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 63 °F

    Chance Rain
    then Rain
    Likely

  • Friday

    Friday: Rain and possibly a thunderstorm before 1pm, then rain likely. High near 69. South wind 3 to 5 mph. Chance of precipitation is 80%. New rainfall amounts between 1 and 2 inches possible.

    High: 69 °F

    Rain

  • Friday Night

    Friday Night: Rain likely, mainly before 1am. Mostly cloudy, with a low around 55. Calm wind. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 55 °F

    Rain Likely

  • Saturday

    Saturday: Partly sunny, with a high near 67.

    High: 67 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A 30 percent chance of rain. Mostly cloudy, with a low around 44.

    Low: 44 °F

    Chance Rain

  • Sunday

    Sunday: Mostly sunny, with a high near 60.

    High: 60 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 40.

    Low: 40 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly cloudy, with a low around 58. Southwest wind 3 to 5 mph.
Thursday
A slight chance of rain between 10am and 1pm. Partly sunny, with a high near 72. South wind 5 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.
Thursday Night
Rain likely, mainly after 1am. Mostly cloudy, with a steady temperature around 63. Southwest wind 5 to 7 mph. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.
Friday
Rain and possibly a thunderstorm before 1pm, then rain likely. High near 69. South wind 3 to 5 mph. Chance of precipitation is 80%. New rainfall amounts between 1 and 2 inches possible.
Friday Night
Rain likely, mainly before 1am. Mostly cloudy, with a low around 55. Calm wind. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.
Saturday
Partly sunny, with a high near 67.
Saturday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 44.
Sunday
Mostly sunny, with a high near 60.
Sunday Night
Mostly clear, with a low around 40.
Monday
Sunny, with a high near 58.
Monday Night
Mostly clear, with a low around 38.
Tuesday
Sunny, with a high near 61.
Tuesday Night
Mostly clear, with a low around 37.
Veterans Day
Sunny, with a high near 59.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SSE East Lyme CT
 41.36°N 72.23°W (Elev. 98 ft)
Last Update:
9:37 pm EST Nov 4, 2026
Forecast Valid:
10pm EST Nov 4, 2026-6pm EST Nov 11, 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