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Transitioning to a New Format for the Area Forecast Discussion on January 7, 2026

Hazardous Weather Conditions

Current conditions at

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

Lat: 41.33°NLon: 72.05°WElev: 10ft.

Overcast

36°F

2°C

Humidity	73%
Wind Speed	W 17 G 32 mph
Barometer	29.50 in (998.8 mb)
Dewpoint	28°F (-2°C)
Visibility	10.00 mi
Wind Chill	26°F (-3°C)
Last update	1 Jan 7:56 am EST

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

South Lyme CT

Winter Weather Advisory January 1, 08:33am until January 1, 10:00am

Click here for hazard details and duration

...

Winter Weather Advisory January 1, 08:33am until January 1, 10:00am
NOW until 10:00am Thu
Winter Weather Advisory
New Year's Day
High: 34 °F⇓
Chance Snow
then Sunny
Tonight
Low: 16 °F
Mostly Clear
Friday
High: 30 °F
Mostly Sunny
Friday Night
Low: 18 °F
Mostly Clear
Saturday
High: 32 °F
Increasing
Clouds
Saturday Night
Low: 20 °F
Cloudy
Sunday
High: 33 °F
Decreasing
Clouds
Sunday Night
Low: 14 °F
Mostly Clear

Detailed Forecast

New Year's Day

A 40 percent chance of snow before 9am. Mostly sunny, with a temperature falling to around 22 by 5pm. Wind chill values between 10 and 20. Northwest wind 11 to 15 mph, with gusts as high as 30 mph.

Tonight

Mostly clear, with a low around 16. Wind chill values between 10 and 15. West wind 6 to 8 mph, with gusts as high as 23 mph.

Friday

Mostly sunny, with a high near 30. Wind chill values between 10 and 20. West wind 6 to 10 mph, with gusts as high as 21 mph.

Friday Night

Mostly clear, with a low around 18. West wind around 5 mph.

Saturday

Increasing clouds, with a high near 32. West wind 5 to 7 mph.

Saturday Night

Cloudy, with a low around 20.

Sunday

Mostly cloudy, then gradually becoming sunny, with a high near 33.