Current conditions at

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

Lat: 41.33°NLon: 72.05°WElev: 10ft.

Partly Cloudy

47°F

8°C

Humidity 42%
Wind Speed Vrbl 5 mph
Barometer 30.15 in (1020.8 mb)
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Wind Chill45°F (7°C)
Last update 19 Nov 12:56 pm EST
Extended Forecast for

3 Miles SSE South Lyme CT

  • This Afternoon

    This Afternoon: Sunny, with a high near 47. Northeast wind around 5 mph becoming calm.

    High: 47 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 35. Calm wind becoming north around 5 mph after midnight.

    Low: 35 °F

    Partly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 47. North wind around 5 mph becoming calm  in the afternoon.

    High: 47 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 37. Calm wind.

    Low: 37 °F

    Partly Cloudy

  • Friday

    Friday: A 20 percent chance of rain after 4pm.  Mostly cloudy, with a high near 53. Light southwest wind increasing to 5 to 10 mph in the morning.

    High: 53 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Friday Night

    Friday Night: Rain likely, mainly after 1am.  Cloudy, with a low around 44. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 44 °F

    Rain Likely

  • Saturday

    Saturday: Partly sunny, with a high near 51.

    High: 51 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 34.

    Low: 34 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 48.

    High: 48 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 47. Northeast wind around 5 mph becoming calm.
Tonight
Partly cloudy, with a low around 35. Calm wind becoming north around 5 mph after midnight.
Thursday
Partly sunny, with a high near 47. North wind around 5 mph becoming calm in the afternoon.
Thursday Night
Partly cloudy, with a low around 37. Calm wind.
Friday
A 20 percent chance of rain after 4pm. Mostly cloudy, with a high near 53. Light southwest wind increasing to 5 to 10 mph in the morning.
Friday Night
Rain likely, mainly after 1am. Cloudy, with a low around 44. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday
Partly sunny, with a high near 51.
Saturday Night
Partly cloudy, with a low around 34.
Sunday
Mostly sunny, with a high near 48.
Sunday Night
Partly cloudy, with a low around 41.
Monday
Mostly sunny, with a high near 53.
Monday Night
Partly cloudy, with a low around 41.
Tuesday
Partly sunny, with a high near 53.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSE South Lyme CT
 41.28°N 72.27°W (Elev. 0 ft)
12:56 pm EST Nov 19, 2025
1pm EST Nov 19, 2025-6pm EST Nov 25, 2025
 
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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