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

31°F

-1°C

Humidity 36%
Wind Speed NW 7 mph
Barometer 30.36 in (1028.1 mb)
Dewpoint 7°F (-14°C)
Visibility 10.00 mi
Wind Chill24°F (-4°C)
Last update 1 Mar 7:56 pm EST
Extended Forecast for

2 Miles N South Lyme CT

  • Tonight

    Tonight: Mostly clear, with a low around 13. Wind chill values between 5 and 10. North wind around 5 mph.

    Low: 13 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 30. Wind chill values between 15 and 25. Light and variable wind.

    High: 30 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 19. Calm wind.

    Low: 19 °F

    Mostly Clear

  • Tuesday

    Tuesday: A chance of snow before 10am, then a chance of rain and snow between 10am and 1pm, then rain after 1pm. High near 41. Wind chill values between 25 and 35. South wind 3 to 6 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.

    High: 41 °F

    Chance
    Rain/Snow
    then
    Rain/Snow

  • Tuesday Night

    Tuesday Night: Rain. Low around 35. Light and variable wind. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 35 °F

    Rain

  • Wednesday

    Wednesday: Partly sunny, with a high near 48.

    High: 48 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: A 40 percent chance of rain. Mostly cloudy, with a low around 35.

    Low: 35 °F

    Chance Rain

  • Thursday

    Thursday: A 40 percent chance of rain. Cloudy, with a high near 51.

    High: 51 °F

    Chance Rain

  • Thursday Night

    Thursday Night: A 50 percent chance of rain. Cloudy, with a low around 37.

    Low: 37 °F

    Chance Rain

Detailed Forecast

Tonight
Mostly clear, with a low around 13. Wind chill values between 5 and 10. North wind around 5 mph.
Monday
Sunny, with a high near 30. Wind chill values between 15 and 25. Light and variable wind.
Monday Night
Mostly clear, with a low around 19. Calm wind.
Tuesday
A chance of snow before 10am, then a chance of rain and snow between 10am and 1pm, then rain after 1pm. High near 41. Wind chill values between 25 and 35. South wind 3 to 6 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.
Tuesday Night
Rain. Low around 35. Light and variable wind. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday
Partly sunny, with a high near 48.
Wednesday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 35.
Thursday
A 40 percent chance of rain. Cloudy, with a high near 51.
Thursday Night
A 50 percent chance of rain. Cloudy, with a low around 37.
Friday
A 50 percent chance of rain. Cloudy, with a high near 45.
Friday Night
A 30 percent chance of rain. Cloudy, with a low around 35.
Saturday
Cloudy, with a high near 52.
Saturday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 41.
Sunday
Mostly cloudy, with a high near 54.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles N South Lyme CT
 41.35°N 72.29°W (Elev. 98 ft)
Last Update:
6:17 pm EST Mar 1, 2026
Forecast Valid:
8pm EST Mar 1, 2026-6pm EDT Mar 8, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation