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.

Partly Cloudy

71°F

22°C

Humidity 68%
Wind Speed SW 12 mph
Barometer 29.82 in (1009.6 mb)
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Last update 17 Apr 12:56 pm EDT
Extended Forecast for

2 Miles N South Lyme CT

  • This Afternoon

    This Afternoon: Isolated showers, then scattered showers and thunderstorms after 2pm. Mostly cloudy, with a high near 72. Northwest wind 3 to 5 mph. Chance of precipitation is 50%.

    High: 72 °F

    Scattered
    T-storms

  • Tonight

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

    Low: 49 °F

    Scattered
    Showers then
    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 62. Light and variable wind becoming east around 6 mph in the afternoon.

    High: 62 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A 20 percent chance of showers after 2am. Mostly cloudy, with a low around 46. Light southeast wind.

    Low: 46 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Sunday

    Sunday: Showers, mainly after 8am. High near 57. Light and variable wind becoming northwest 5 to 10 mph in the morning. Winds could gust as high as 21 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 57 °F

    Showers

  • Sunday Night

    Sunday Night: Showers, mainly before 8pm. Low around 36. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 36 °F

    Showers then
    Chance
    Showers

  • Monday

    Monday: Mostly sunny, with a high near 51.

    High: 51 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 31.

    Low: 31 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 50.

    High: 50 °F

    Sunny

Detailed Forecast

This Afternoon
Isolated showers, then scattered showers and thunderstorms after 2pm. Mostly cloudy, with a high near 72. Northwest wind 3 to 5 mph. Chance of precipitation is 50%.
Tonight
Scattered showers before 8pm. Partly cloudy, with a low around 49. Calm wind. Chance of precipitation is 30%.
Saturday
Partly sunny, with a high near 62. Light and variable wind becoming east around 6 mph in the afternoon.
Saturday Night
A 20 percent chance of showers after 2am. Mostly cloudy, with a low around 46. Light southeast wind.
Sunday
Showers, mainly after 8am. High near 57. Light and variable wind becoming northwest 5 to 10 mph in the morning. Winds could gust as high as 21 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday Night
Showers, mainly before 8pm. Low around 36. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Monday
Mostly sunny, with a high near 51.
Monday Night
Mostly clear, with a low around 31.
Tuesday
Sunny, with a high near 50.
Tuesday Night
Partly cloudy, with a low around 40.
Wednesday
Partly sunny, with a high near 62.
Wednesday Night
Partly cloudy, with a low around 42.
Thursday
Mostly sunny, with a high near 63.
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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:
12:33 pm EDT Apr 17, 2026
Forecast Valid:
1pm EDT Apr 17, 2026-6pm EDT Apr 23, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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