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

50°F

10°C

Humidity 86%
Wind Speed SW 13 mph
Barometer 29.63 in (1003.2 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Wind Chill45°F (7°C)
Last update 27 Mar 1:56 am EDT
Extended Forecast for

2 Miles N South Lyme CT

  • Overnight

    Overnight: Showers. Steady temperature around 53. West wind 13 to 15 mph. Chance of precipitation is 90%.

    Low: 53 °F

    Showers

  • Friday

    Friday: Showers likely, mainly before 8am. Mostly cloudy, with a temperature falling to around 46 by 11am. North wind 8 to 10 mph. Chance of precipitation is 60%.

    High: 50 °F⇓

    Showers
    Likely then
    Mostly Cloudy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 29. North wind around 6 mph.

    Low: 29 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 40. Wind chill values between 20 and 30. North wind 9 to 11 mph.

    High: 40 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 26. Northwest wind 5 to 7 mph becoming calm in the evening.

    Low: 26 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 47.

    High: 47 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 38.

    Low: 38 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 55.

    High: 55 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 42.

    Low: 42 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Showers. Steady temperature around 53. West wind 13 to 15 mph. Chance of precipitation is 90%.
Friday
Showers likely, mainly before 8am. Mostly cloudy, with a temperature falling to around 46 by 11am. North wind 8 to 10 mph. Chance of precipitation is 60%.
Friday Night
Mostly cloudy, with a low around 29. North wind around 6 mph.
Saturday
Mostly sunny, with a high near 40. Wind chill values between 20 and 30. North wind 9 to 11 mph.
Saturday Night
Mostly clear, with a low around 26. Northwest wind 5 to 7 mph becoming calm in the evening.
Sunday
Mostly sunny, with a high near 47.
Sunday Night
Mostly cloudy, with a low around 38.
Monday
Partly sunny, with a high near 55.
Monday Night
Mostly cloudy, with a low around 42.
Tuesday
A 30 percent chance of rain after 8am. Mostly cloudy, with a high near 56.
Tuesday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 45.
Wednesday
A 40 percent chance of rain. Mostly cloudy, with a high near 59.
Wednesday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 45.
Thursday
A 30 percent chance of rain. Mostly cloudy, with a high near 60.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles N South Lyme CT
 41.35°N 72.29°W (Elev. 98 ft)
Last Update:
7:31 pm EDT Mar 26, 2026
Forecast Valid:
2am EDT Mar 27, 2026-6pm EDT Apr 2, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation