Hazardous Weather Conditions
Current conditions at
Groton / New London, Groton / New London Airport (KGON)
Lat: 41.33°NLon: 72.05°WElev: 10ft.
Light Snow Fog/Mist
21°F
-6°C
| Humidity | 85% |
| Wind Speed | NA |
| Barometer | 30.01 in (1016.0 mb) |
| Dewpoint | 17°F (-8°C) |
| Visibility | 1.50 mi |
| Last update | 26 Dec 10:56 pm EST |
Extended Forecast for
South Lyme CT
Winter Storm Warning December 26, 11:37pm until December 27, 01:00pm
NOW until 1:00pm Sat

Winter Storm Warning
Tonight

Low: 20 °F
Heavy Snow
Saturday
High: 33 °F
Snow Likely
then Mostly
SunnySaturday Night

Low: 16 °F
Mostly Clear
Sunday

High: 39 °F
Partly Sunny
Sunday Night
Low: 32 °F⇑
Chance
Rain/Freezing
Rain then
RainMonday

High: 50 °F
Rain
Monday Night

Low: 25 °F
Decreasing
CloudsTuesday

High: 33 °F
Partly Sunny
Detailed Forecast
Tonight
Snow. The snow could be heavy at times. Low around 20. Northeast wind 3 to 7 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of 5 to 9 inches possible.
Saturday
Snow likely, mainly before 7am. Cloudy, then gradually becoming mostly sunny, with a high near 33. Wind chill values between 15 and 25. Northeast wind 5 to 9 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Saturday Night
Mostly clear, with a low around 16. Calm wind.
Sunday
Partly sunny, with a high near 39. Wind chill values between 15 and 25. Calm wind becoming west around 6 mph.
Sunday Night
A chance of freezing rain before 10pm, then rain. Temperature rising to around 39 by 5am. Calm wind becoming south around 5 mph after midnight. Chance of precipitation is 90%. New ice accumulation of less than a 0.1 of an inch possible.
Monday
Rain. High near 50. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Monday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 25.
Tuesday
Partly sunny, with a high near 33.
Tuesday Night
Mostly cloudy, with a low around 24.
Wednesday
Mostly sunny, with a high near 36.
Wednesday Night
Mostly cloudy, with a low around 21.
New Year's Day
Partly sunny, with a high near 33.
Thursday Night
Partly cloudy, with a low around 15.
Friday
Mostly sunny, with a high near 27.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
South Lyme CT
41.32°N 72.29°W (Elev. 98 ft)
41.32°N 72.29°W (Elev. 98 ft)
6:46 pm EST Dec 26, 2025
11pm EST Dec 26, 2025-6pm EST Jan 2, 2026



