Current conditions at

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

Lat: 41.33°NLon: 72.05°WElev: 10ft.

Fair

39°F

4°C

Humidity 86%
Wind Speed S 8 mph
Barometer 30.47 in (1031.7 mb)
Dewpoint 35°F (2°C)
Visibility 10.00 mi
Wind Chill33°F (1°C)
Last update 9 Apr 11:56 pm EDT
Extended Forecast for

3 Miles SE South Lyme CT

  • Overnight

    Overnight: Patchy fog after 3am.  Otherwise, partly cloudy, with a low around 38. Light southwest wind.

    Low: 38 °F

    Patchy Fog

  • Friday

    Friday: Patchy fog before 10am.  Otherwise, mostly sunny, with a high near 52. Light southwest wind becoming south 5 to 10 mph in the morning.

    High: 52 °F

    Patchy Fog
    then Sunny

  • Friday Night

    Friday Night: A 20 percent chance of showers after 2am.  Mostly cloudy, with a low around 44. South wind around 9 mph.

    Low: 44 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Saturday

    Saturday: Sunny, with a high near 56. Northwest wind 11 to 14 mph.

    High: 56 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 40. North wind 3 to 6 mph.

    Low: 40 °F

    Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 51.

    High: 51 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 45.

    Low: 45 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 60.

    High: 60 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 54.

    Low: 54 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Patchy fog after 3am. Otherwise, partly cloudy, with a low around 38. Light southwest wind.
Friday
Patchy fog before 10am. Otherwise, mostly sunny, with a high near 52. Light southwest wind becoming south 5 to 10 mph in the morning.
Friday Night
A 20 percent chance of showers after 2am. Mostly cloudy, with a low around 44. South wind around 9 mph.
Saturday
Sunny, with a high near 56. Northwest wind 11 to 14 mph.
Saturday Night
Clear, with a low around 40. North wind 3 to 6 mph.
Sunday
Mostly sunny, with a high near 51.
Sunday Night
Mostly cloudy, with a low around 45.
Monday
Mostly cloudy, with a high near 60.
Monday Night
Mostly cloudy, with a low around 54.
Tuesday
Mostly sunny, with a high near 68.
Tuesday Night
Mostly cloudy, with a low around 55.
Wednesday
Partly sunny, with a high near 68.
Wednesday Night
Mostly cloudy, with a low around 51.
Thursday
Partly sunny, with a high near 61.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SE South Lyme CT
 41.3°N 72.24°W (Elev. 0 ft)
2:47 pm EDT Apr 9, 2026
12am EDT Apr 10, 2026-6pm EDT Apr 16, 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