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

55°F

13°C

Humidity 83%
Wind Speed SE 14 mph
Barometer 29.82 in (1009.6 mb)
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Wind Chill51°F (11°C)
Last update 14 May 2:56 am EDT
Extended Forecast for

2 Miles E South Lyme CT

  • Overnight

    Overnight: A 40 percent chance of showers. Cloudy, with a steady temperature around 56. Southeast wind around 6 mph.

    Low: 56 °F

    Chance
    Showers

  • Thursday

    Thursday: A chance of showers before 8am, then showers and possibly a thunderstorm between 8am and 2pm, then showers after 2pm. High near 62. East wind 3 to 7 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    High: 62 °F

    Showers

  • Thursday Night

    Thursday Night: A 30 percent chance of showers, mainly before 2am. Mostly cloudy, with a low around 52. Calm wind.

    Low: 52 °F

    Chance
    Showers

  • Friday

    Friday: A 40 percent chance of showers, mainly after 11am. Mostly cloudy, with a high near 62. Calm wind becoming northwest around 6 mph in the afternoon.

    High: 62 °F

    Chance
    Showers

  • Friday Night

    Friday Night: Mostly clear, with a low around 52. Calm wind.

    Low: 52 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 73.

    High: 73 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 57.

    Low: 57 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 80.

    High: 80 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 56.

    Low: 56 °F

    Partly Cloudy

Detailed Forecast

Overnight
A 40 percent chance of showers. Cloudy, with a steady temperature around 56. Southeast wind around 6 mph.
Thursday
A chance of showers before 8am, then showers and possibly a thunderstorm between 8am and 2pm, then showers after 2pm. High near 62. East wind 3 to 7 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Thursday Night
A 30 percent chance of showers, mainly before 2am. Mostly cloudy, with a low around 52. Calm wind.
Friday
A 40 percent chance of showers, mainly after 11am. Mostly cloudy, with a high near 62. Calm wind becoming northwest around 6 mph in the afternoon.
Friday Night
Mostly clear, with a low around 52. Calm wind.
Saturday
Sunny, with a high near 73.
Saturday Night
Partly cloudy, with a low around 57.
Sunday
Mostly sunny, with a high near 80.
Sunday Night
Partly cloudy, with a low around 56.
Monday
Mostly sunny, with a high near 76.
Monday Night
Partly cloudy, with a low around 55.
Tuesday
Mostly sunny, with a high near 77.
Tuesday Night
Partly cloudy, with a low around 59.
Wednesday
Mostly sunny, with a high near 80.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles E South Lyme CT
 41.32°N 72.26°W (Elev. 98 ft)
Last Update:
2:08 am EDT May 14, 2026
Forecast Valid:
3am EDT May 14, 2026-6pm EDT May 20, 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