Current conditions at

Groton / New London, Groton / New London Airport (KGON)

Lat: 41.33°NLon: 72.05°WElev: 10ft.

Fair

34°F

1°C

Humidity 67%
Wind Speed NW 13 G 22 mph
Barometer 30.16 in (1021.2 mb)
Dewpoint 24°F (-4°C)
Visibility 10.00 mi
Wind Chill25°F (-4°C)
Last update 24 Mar 1:56 am EDT
Extended Forecast for

3 Miles SE South Lyme CT

  • Overnight

    Overnight: Mostly clear, with a low around 32. Wind chill values between 25 and 30. Northwest wind around 11 mph.

    Low: 32 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 44. Wind chill values between 25 and 35. North wind 5 to 10 mph becoming southwest in the afternoon.

    High: 44 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 35. Southwest wind 7 to 9 mph.

    Low: 35 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 46. Light west wind becoming southwest 6 to 11 mph in the morning.

    High: 46 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: A 20 percent chance of rain after 2am.  Cloudy, with a low around 40. South wind around 11 mph.

    Low: 40 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Thursday

    Thursday: Mostly cloudy, with a high near 53.

    High: 53 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: Rain likely, mainly after 2am.  Mostly cloudy, with a low around 45. Chance of precipitation is 70%.

    Low: 45 °F

    Chance Rain
    then Rain
    Likely

  • Friday

    Friday: Rain likely, mainly before 8am.  Partly sunny, with a high near 50. Chance of precipitation is 60%.

    High: 50 °F

    Rain Likely

  • Friday Night

    Friday Night: Partly cloudy, with a low around 26.

    Low: 26 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 32. Wind chill values between 25 and 30. Northwest wind around 11 mph.
Tuesday
Sunny, with a high near 44. Wind chill values between 25 and 35. North wind 5 to 10 mph becoming southwest in the afternoon.
Tuesday Night
Partly cloudy, with a low around 35. Southwest wind 7 to 9 mph.
Wednesday
Partly sunny, with a high near 46. Light west wind becoming southwest 6 to 11 mph in the morning.
Wednesday Night
A 20 percent chance of rain after 2am. Cloudy, with a low around 40. South wind around 11 mph.
Thursday
Mostly cloudy, with a high near 53.
Thursday Night
Rain likely, mainly after 2am. Mostly cloudy, with a low around 45. Chance of precipitation is 70%.
Friday
Rain likely, mainly before 8am. Partly sunny, with a high near 50. Chance of precipitation is 60%.
Friday Night
Partly cloudy, with a low around 26.
Saturday
Sunny, with a high near 40.
Saturday Night
Mostly clear, with a low around 31.
Sunday
Sunny, with a high near 45.
Sunday Night
Partly cloudy, with a low around 36.
Monday
Mostly sunny, with a high near 48.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SE South Lyme CT
 41.3°N 72.24°W (Elev. 0 ft)
5:10 pm EDT Mar 23, 2026
2am EDT Mar 24, 2026-6pm EDT Mar 30, 2026
 
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