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 63%
Wind Speed W 9 mph
Barometer 29.87 in (1011.6 mb)
Dewpoint 31°F (-1°C)
Visibility 10.00 mi
Wind Chill38°F (3°C)
Last update 6 Apr 4:56 am EDT
Extended Forecast for

3 Miles SE South Lyme CT

  • Today

    Today: Mostly sunny, with a high near 49. West wind around 11 mph.

    High: 49 °F

    Mostly Sunny

  • Tonight

    Tonight: A slight chance of rain showers between 11pm and 2am, then a chance of rain and snow showers.  Mostly cloudy, with a low around 39. West wind around 6 mph becoming light and variable  in the evening.  Chance of precipitation is 30%.

    Low: 39 °F

    Slight Chance
    Showers then
    Chance
    Rain/Snow

  • Tuesday

    Tuesday: A 20 percent chance of showers before 2pm.  Mostly sunny, with a high near 48. West wind 7 to 14 mph.

    High: 48 °F

    Slight Chance
    Showers

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 31. Wind chill values between 25 and 30. Northwest wind 8 to 14 mph.

    Low: 31 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 44. North wind around 6 mph becoming light and variable.

    High: 44 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 34.

    Low: 34 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 47.

    High: 47 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 40.

    Low: 40 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 57.

    High: 57 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 49. West wind around 11 mph.
Tonight
A slight chance of rain showers between 11pm and 2am, then a chance of rain and snow showers. Mostly cloudy, with a low around 39. West wind around 6 mph becoming light and variable in the evening. Chance of precipitation is 30%.
Tuesday
A 20 percent chance of showers before 2pm. Mostly sunny, with a high near 48. West wind 7 to 14 mph.
Tuesday Night
Mostly clear, with a low around 31. Wind chill values between 25 and 30. Northwest wind 8 to 14 mph.
Wednesday
Sunny, with a high near 44. North wind around 6 mph becoming light and variable.
Wednesday Night
Mostly clear, with a low around 34.
Thursday
Mostly sunny, with a high near 47.
Thursday Night
Partly cloudy, with a low around 40.
Friday
Mostly sunny, with a high near 57.
Friday Night
Partly cloudy, with a low around 47.
Saturday
Mostly sunny, with a high near 60.
Saturday Night
Partly cloudy, with a low around 45.
Sunday
Mostly sunny, with a high near 55.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SE South Lyme CT
 41.3°N 72.24°W (Elev. 0 ft)
2:34 am EDT Apr 6, 2026
5am EDT Apr 6, 2026-6pm EDT Apr 12, 2026
 
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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