Hazardous Weather Conditions
Current conditions at
Groton / New London, Groton / New London Airport (KGON)
Lat: 41.33°NLon: 72.05°WElev: 10ft.
Unknown Precip Fog/Mist and Breezy
24°F
-4°C
| Humidity | 84% |
| Wind Speed | NE 21 G 36 mph |
| Barometer | 29.89 in (1012.0 mb) |
| Dewpoint | 20°F (-7°C) |
| Visibility | 1.75 mi |
| Wind Chill | 9°F (-13°C) |
| Last update | 25 Jan 7:56 pm EST |
Extended Forecast for
South Lyme CT
Winter Storm Warning January 25, 08:43pm until January 26, 01:00pm
NOW until 1:00pm Mon

Winter Storm Warning
Tonight

Low: 22 °F⇑
Wintry Mix
and WindyMonday
High: 30 °F⇓
Chance Wintry
Mix then
Chance Light
SnowMonday Night

Low: 11 °F
Gradual
ClearingTuesday

High: 24 °F
Increasing
CloudsTuesday Night

Low: 7 °F
Mostly Clear
Wednesday

High: 24 °F
Sunny
Wednesday Night

Low: 10 °F
Mostly Cloudy
Thursday

High: 22 °F
Partly Sunny
Detailed Forecast
Tonight
Snow and sleet before 1am, then a chance of snow and freezing rain. Temperature rising to around 30 by 3am. Wind chill values between 5 and 15. Windy, with a northeast wind 24 to 29 mph decreasing to 18 to 23 mph after midnight. Winds could gust as high as 39 mph. Chance of precipitation is 100%. Little or no ice accumulation expected. Total nighttime snow and sleet accumulation of 2 to 4 inches possible.
Monday
A chance of snow and freezing rain before 10am, then a chance of snow. Cloudy, with a temperature falling to around 25 by 5pm. Wind chill values between 15 and 25. North wind 3 to 8 mph. Chance of precipitation is 50%.
Monday Night
Mostly cloudy during the early evening, then gradual clearing, with a low around 11. Wind chill values between zero and 10. Northwest wind 11 to 15 mph.
Tuesday
Increasing clouds, with a high near 24. Wind chill values between zero and 10. Southwest wind around 9 mph.
Tuesday Night
Mostly clear, with a low around 7. West wind 7 to 11 mph.
Wednesday
Sunny, with a high near 24.
Wednesday Night
Mostly cloudy, with a low around 10.
Thursday
Partly sunny, with a high near 22.
Thursday Night
Mostly clear, with a low around 5.
Friday
Sunny and cold, with a high near 19.
Friday Night
Mostly clear, with a low around 6.
Saturday
Sunny, with a high near 24.
Saturday Night
Mostly clear, with a low around 8.
Sunday
Sunny, with a high near 29.
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)
8:33 pm EST Jan 25, 2026
8pm EST Jan 25, 2026-6pm EST Feb 1, 2026



