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

43°F

6°C

Humidity 80%
Wind Speed NE 12 mph
Barometer 30.49 in (1032.3 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Wind Chill37°F (3°C)
Last update 2 Apr 1:56 pm EDT
Extended Forecast for

2 Miles SSE South Lyme CT

  • This Afternoon

    This Afternoon: Mostly cloudy, with a high near 42. Northeast wind 14 to 17 mph.

    High: 42 °F

    Mostly Cloudy

  • Tonight

    Tonight: A chance of drizzle or light rain after 8pm. Patchy fog after 10pm. Otherwise, cloudy, with a low around 38. East wind 6 to 16 mph. Chance of precipitation is 30%.

    Low: 38 °F

    Chance Light
    Rain and
    Patchy Fog

  • Friday

    Friday: Areas of fog before noon. Otherwise, mostly cloudy, with a high near 56. Light and variable wind becoming southwest 5 to 8 mph in the afternoon.

    High: 56 °F

    Areas Fog
    then Mostly
    Cloudy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 48. Southwest wind 6 to 8 mph.

    Low: 48 °F

    Mostly Cloudy

  • Saturday

    Saturday: A 20 percent chance of showers after 2pm. Partly sunny, with a high near 61. Light and variable wind becoming east 6 to 11 mph in the afternoon.

    High: 61 °F

    Partly Sunny
    then Slight
    Chance
    Showers

  • Saturday Night

    Saturday Night: A 50 percent chance of showers. Cloudy, with a low around 41.

    Low: 41 °F

    Chance
    Showers

  • Sunday

    Sunday: Showers. High near 58. Chance of precipitation is 90%.

    High: 58 °F

    Showers
    Likely then
    Showers

  • Sunday Night

    Sunday Night: A 30 percent chance of showers before 8pm. Mostly cloudy, with a low around 40.

    Low: 40 °F

    Chance
    Showers then
    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 51.

    High: 51 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Mostly cloudy, with a high near 42. Northeast wind 14 to 17 mph.
Tonight
A chance of drizzle or light rain after 8pm. Patchy fog after 10pm. Otherwise, cloudy, with a low around 38. East wind 6 to 16 mph. Chance of precipitation is 30%.
Friday
Areas of fog before noon. Otherwise, mostly cloudy, with a high near 56. Light and variable wind becoming southwest 5 to 8 mph in the afternoon.
Friday Night
Mostly cloudy, with a low around 48. Southwest wind 6 to 8 mph.
Saturday
A 20 percent chance of showers after 2pm. Partly sunny, with a high near 61. Light and variable wind becoming east 6 to 11 mph in the afternoon.
Saturday Night
A 50 percent chance of showers. Cloudy, with a low around 41.
Sunday
Showers. High near 58. Chance of precipitation is 90%.
Sunday Night
A 30 percent chance of showers before 8pm. Mostly cloudy, with a low around 40.
Monday
Mostly sunny, with a high near 51.
Monday Night
Mostly clear, with a low around 37.
Tuesday
Mostly sunny, with a high near 49.
Tuesday Night
Partly cloudy, with a low around 31.
Wednesday
Sunny, with a high near 46.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SSE South Lyme CT
 41.28°N 72.3°W (Elev. 0 ft)
Last Update:
2:27 pm EDT Apr 2, 2026
Forecast Valid:
2pm EDT Apr 2, 2026-6pm EDT Apr 8, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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