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

47°F

8°C

Humidity 66%
Wind Speed W 7 mph
Barometer 29.94 in (1013.8 mb)
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Wind Chill44°F (7°C)
Last update 10 Nov 4:56 am EST
Extended Forecast for

2 Miles N South Lyme CT

  • Today

    Today: Patchy frost between 7am and 8am. Otherwise, partly sunny, then gradually becoming sunny, with a high near 59. West wind 5 to 10 mph, with gusts as high as 21 mph.

    High: 59 °F

    Patchy Frost
    then Sunny

  • Tonight

    Tonight: Clear, with a low around 41. West wind 5 to 7 mph.

    Low: 41 °F

    Clear

  • Veterans Day

    Veterans Day: Increasing clouds, with a high near 59. West wind 3 to 7 mph.

    High: 59 °F

    Increasing
    Clouds

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 39. Light and variable wind.

    Low: 39 °F

    Mostly Cloudy

  • Thursday

    Thursday: Rain likely, mainly after 1pm. Mostly cloudy, with a high near 59. East wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.

    High: 59 °F

    Slight Chance
    Rain then
    Rain Likely

  • Thursday Night

    Thursday Night: Rain. Low around 39. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 39 °F

    Rain

  • Friday

    Friday: Rain. High near 50. Chance of precipitation is 80%.

    High: 50 °F

    Rain

  • Friday Night

    Friday Night: A 40 percent chance of rain. Mostly cloudy, with a low around 32.

    Low: 32 °F

    Chance Rain

  • Saturday

    Saturday: Mostly cloudy, with a high near 49.

    High: 49 °F

    Mostly Cloudy

Detailed Forecast

Today
Patchy frost between 7am and 8am. Otherwise, partly sunny, then gradually becoming sunny, with a high near 59. West wind 5 to 10 mph, with gusts as high as 21 mph.
Tonight
Clear, with a low around 41. West wind 5 to 7 mph.
Veterans Day
Increasing clouds, with a high near 59. West wind 3 to 7 mph.
Wednesday Night
Mostly cloudy, with a low around 39. Light and variable wind.
Thursday
Rain likely, mainly after 1pm. Mostly cloudy, with a high near 59. East wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.
Thursday Night
Rain. Low around 39. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday
Rain. High near 50. Chance of precipitation is 80%.
Friday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 32.
Saturday
Mostly cloudy, with a high near 49.
Saturday Night
Mostly cloudy, with a low around 32.
Sunday
Mostly sunny, with a high near 52.
Sunday Night
Partly cloudy, with a low around 31.
Monday
Sunny, 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:
4:34 am EST Nov 10, 2026
Forecast Valid:
5am EST Nov 10, 2026-6pm EST Nov 16, 2026
 
Forecast Discussion
 
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Additional Resources

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National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation