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

62°F

17°C

Humidity 84%
Wind Speed NA
Barometer 29.93 in (1013.4 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 17 Apr 5:56 pm EDT
Extended Forecast for

2 Miles N South Lyme CT

  • Tonight

    Tonight: Scattered showers before 8pm. Partly cloudy, with a low around 49. Light northeast wind. Chance of precipitation is 30%.

    Low: 49 °F

    Scattered
    Showers then
    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 62. Northeast wind 3 to 8 mph.

    High: 62 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A 20 percent chance of showers after 2am. Mostly cloudy, with a low around 45. Light southeast wind.

    Low: 45 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Sunday

    Sunday: Showers, mainly after 8am. High near 56. Light and variable wind becoming northwest 9 to 14 mph in the morning. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    High: 56 °F

    Showers

  • Sunday Night

    Sunday Night: A 20 percent chance of showers before 2am. Cloudy during the early evening, then gradual clearing, with a low around 36. Northwest wind 5 to 9 mph.

    Low: 36 °F

    Slight Chance
    Showers

  • Monday

    Monday: Mostly sunny, with a high near 51.

    High: 51 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 32.

    Low: 32 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 51.

    High: 51 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 39.

    Low: 39 °F

    Partly Cloudy

Detailed Forecast

Tonight
Scattered showers before 8pm. Partly cloudy, with a low around 49. Light northeast wind. Chance of precipitation is 30%.
Saturday
Partly sunny, with a high near 62. Northeast wind 3 to 8 mph.
Saturday Night
A 20 percent chance of showers after 2am. Mostly cloudy, with a low around 45. Light southeast wind.
Sunday
Showers, mainly after 8am. High near 56. Light and variable wind becoming northwest 9 to 14 mph in the morning. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Sunday Night
A 20 percent chance of showers before 2am. Cloudy during the early evening, then gradual clearing, with a low around 36. Northwest wind 5 to 9 mph.
Monday
Mostly sunny, with a high near 51.
Monday Night
Partly cloudy, with a low around 32.
Tuesday
Sunny, with a high near 51.
Tuesday Night
Partly cloudy, with a low around 39.
Wednesday
Partly sunny, with a high near 61.
Wednesday Night
Partly cloudy, with a low around 41.
Thursday
Sunny, with a high near 61.
Thursday Night
Mostly clear, with a low around 43.
Friday
Mostly sunny, with a high near 61.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles N South Lyme CT
 41.35°N 72.29°W (Elev. 98 ft)
Last Update:
2:24 pm EDT Apr 17, 2026
Forecast Valid:
6pm EDT Apr 17, 2026-6pm EDT Apr 24, 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