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Winter Weather Awareness Week is October 26th - November 1st, 2025

Current conditions at

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

Lat: 41.33°NLon: 72.05°WElev: 10ft.

Fair

53°F

12°C

Humidity	47%
Wind Speed	NW 20 G 28 mph
Barometer	29.87 in (1011.5 mb)
Dewpoint	33°F (1°C)
Visibility	10.00 mi
Wind Chill	48°F (9°C)
Last update	1 Nov 3:56 pm EDT

More Information:

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

Extended Forecast for

2 Miles SE Old Lyme CT

Tonight
Low: 39 °F
Partly Cloudy
Sunday
High: 57 °F
Sunny
Sunday Night
Low: 44 °F
Mostly Clear
Monday
High: 61 °F
Mostly Sunny
then Chance
Rain
Monday Night
Low: 46 °F
Chance Rain
Tuesday
High: 60 °F
Sunny
Tuesday Night
Low: 44 °F
Mostly Clear
Wednesday
High: 59 °F
Mostly Sunny
Wednesday Night
Low: 44 °F
Chance Rain

Detailed Forecast

Tonight

Partly cloudy, with a low around 39. Northwest wind 7 to 14 mph, with gusts as high as 25 mph.

Sunday

Sunny, with a high near 57. Northwest wind 6 to 9 mph.

Sunday Night

Mostly clear, with a low around 44. Calm wind.

Monday

A 30 percent chance of rain after 2pm. Mostly sunny, with a high near 61. Southwest wind 5 to 11 mph.

Monday Night

A 40 percent chance of rain before 2am. Partly cloudy, with a low around 46. Southwest wind around 10 mph becoming west after midnight. Winds could gust as high as 21 mph.

Tuesday

Sunny, with a high near 60.

Tuesday Night

Mostly clear, with a low around 44.

Wednesday

Mostly sunny, with a high near 59.

Wednesday Night

A 40 percent chance of rain. Mostly cloudy, with a low around 44.

Thursday

Mostly sunny, with a high near 55.

Thursday Night

Mostly clear, with a low around 37.