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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.

Overcast

45°F

7°C

Humidity	86%
Wind Speed	S 6 mph
Barometer	30.17 in (1021.7 mb)
Dewpoint	41°F (5°C)
Visibility	10.00 mi
Wind Chill	42°F (6°C)
Last update	9 Jan 2:56 pm EST

More Information:

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

Extended Forecast for

Mystic CT

Tonight
Low: 38 °F
Showers
Likely then
Mostly Cloudy
Saturday
High: 42 °F
Partly Sunny
then Rain
Saturday Night
Low: 36 °F
Rain
Sunday
High: 44 °F
Chance Rain
Sunday Night
Low: 27 °F
Partly Cloudy
Monday
High: 39 °F
Sunny
Monday Night
Low: 31 °F
Partly Cloudy
Tuesday
High: 42 °F
Sunny
Tuesday Night
Low: 34 °F
Mostly Cloudy

Detailed Forecast

Tonight

Showers likely, mainly before 10pm. Cloudy, then gradually becoming partly cloudy, with a low around 38. South wind 6 to 9 mph becoming northwest after midnight. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

Saturday

Rain, mainly after 4pm. Steady temperature around 42. Light and variable wind becoming east around 6 mph in the afternoon. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

Saturday Night

Rain. Low around 36. East wind around 6 mph becoming north after midnight. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

Sunday

A 40 percent chance of rain, mainly before 1pm. Cloudy, then gradually becoming mostly sunny, with a high near 44. West wind 7 to 13 mph.

Sunday Night

Partly cloudy, with a low around 27. West wind around 14 mph, with gusts as high as 31 mph.

Monday

Sunny, with a high near 39.

Monday Night

Partly cloudy, with a low around 31.

Tuesday

Sunny, with a high near 42.

Tuesday Night

Mostly cloudy, with a low around 34.