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Climate Reports Summary for 2025

Current conditions at

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

Lat: 41.33°NLon: 72.05°WElev: 10ft.

Light Rain

44°F

7°C

Humidity	96%
Wind Speed	NW 6 mph
Barometer	29.68 in (1005.1 mb)
Dewpoint	43°F (6°C)
Visibility	10.00 mi
Wind Chill	41°F (5°C)
Last update	11 Jan 1:56 am EST

More Information:

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

Extended Forecast for

New London CT

Overnight
Low: 40 °F
Rain Likely
and Areas Fog
Sunday
High: 45 °F
Chance Rain
and Patchy
Fog then
Slight Chance
Rain/Snow
Sunday Night
Low: 26 °F
Chance Snow
Showers then
Mostly Clear
and Breezy
Monday
High: 39 °F
Sunny
Monday Night
Low: 29 °F
Mostly Clear
Tuesday
High: 43 °F
Increasing
Clouds
Tuesday Night
Low: 34 °F
Mostly Cloudy
Wednesday
High: 46 °F
Cloudy
Wednesday Night
Low: 31 °F
Cloudy then
Chance Rain

Detailed Forecast

Overnight

Rain likely, mainly before 4am. Areas of fog. Otherwise, cloudy, with a low around 40. Light and variable wind becoming northwest around 5 mph. Chance of precipitation is 70%.

Sunday

A chance of rain before 1pm, then a slight chance of snow showers after 4pm. Patchy fog before 7am. Otherwise, cloudy through mid morning, then gradual clearing, with a high near 45. Northwest wind 5 to 13 mph. Chance of precipitation is 40%.

Sunday Night

A 30 percent chance of snow showers, mainly between 7pm and 10pm. Partly cloudy, with a low around 26. Wind chill values between 15 and 20. Breezy, with a west wind 13 to 20 mph, with gusts as high as 33 mph.

Monday

Sunny, with a high near 39. Wind chill values between 15 and 25. West wind 9 to 14 mph, with gusts as high as 28 mph.

Monday Night

Mostly clear, with a low around 29. Southwest wind around 7 mph.

Tuesday

Increasing clouds, with a high near 43.

Tuesday Night

Mostly cloudy, with a low around 34.

Wednesday

Cloudy, with a high near 46.

Wednesday Night

A 30 percent chance of rain after 1am. Cloudy, with a low around 31.