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Hazardous Weather Conditions
Current conditions at
Groton / New London, Groton / New London Airport (KGON)
Lat: 41.33°NLon: 72.05°WElev: 10ft.
Light Rain
36°F
2°C
| Humidity | 82% |
| Wind Speed | E 13 mph |
| Barometer | 29.88 in (1011.8 mb) |
| Dewpoint | 31°F (-1°C) |
| Visibility | 7.00 mi |
| Wind Chill | 27°F (-3°C) |
| Last update | 20 Feb 10:56 am EST |
Extended Forecast for
South Lyme CT
Today
High: 39 °F
Rain
Tonight
Low: 29 °F
Rain Likely
then Slight
Chance
Rain/SnowSaturday
High: 41 °F
Mostly Cloudy
Saturday Night
Low: 26 °F
Slight Chance
SnowSunday
High: 38 °F
Chance Snow
Sunday Night
Low: 28 °F
Snow Likely
Monday
High: 35 °F
Chance Snow
Monday Night
Low: 23 °F
Mostly Cloudy
Tuesday
High: 36 °F
Mostly Sunny
Detailed Forecast
Today
Rain. High near 39. East wind 8 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Tonight
Rain likely, possibly mixing with snow after 1am, then gradually ending. Mostly cloudy, with a low around 29. East wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%. Little or no snow accumulation expected.
Saturday
Mostly cloudy, with a high near 41. Calm wind becoming southeast around 5 mph.
Saturday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 26. Calm wind.
Sunday
A 40 percent chance of snow, mainly after 1pm. Mostly cloudy, with a high near 38. East wind 5 to 10 mph, with gusts as high as 21 mph.
Sunday Night
Snow likely. Cloudy, with a low around 28. Chance of precipitation is 60%. New snow accumulation of 1 to 3 inches possible.
Monday
A 40 percent chance of snow before 1pm. Cloudy, with a high near 35.
Monday Night
Mostly cloudy, with a low around 23.
Tuesday
Mostly sunny, with a high near 36.
Tuesday Night
Partly cloudy, with a low around 19.
Wednesday
A 30 percent chance of rain. Mostly cloudy, with a high near 41.
Wednesday Night
Rain likely. Mostly cloudy, with a low around 33. Chance of precipitation is 60%.
Thursday
A 40 percent chance of rain. Mostly cloudy, with a high near 44.
Additional Forecasts and Information
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Forecast AreaABOUT 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)
1:01 am EST Feb 20, 2026
11am EST Feb 20, 2026-6pm EST Feb 26, 2026
Additional Resources
Radar & Satellite Image
Hourly Weather Forecast
