Current conditions at
Groton / New London, Groton / New London Airport (KGON)
Lat: 41.33°NLon: 72.05°WElev: 10ft.
Fair
52°F
11°C
| Humidity | 72% |
| Wind Speed | S 8 mph |
| Barometer | 29.97 in (1014.8 mb) |
| Dewpoint | 43°F (6°C) |
| Visibility | 10.00 mi |
| Wind Chill | 49°F (9°C) |
| Last update | 10 Mar 3:56 pm EDT |
Extended Forecast for
3 Miles SE South Lyme CT
Tonight
Low: 39 °F
Partly Cloudy
then Patchy
FogWednesday

High: 52 °F
Chance
Showers and
Patchy FogWednesday Night

Low: 47 °F
Chance Rain
Thursday
High: 54 °F⇓
Rain Likely
then
Rain/Snow
LikelyThursday Night
Low: 31 °F
Snow Likely
then Mostly
ClearFriday

High: 44 °F
Increasing
CloudsFriday Night

Low: 37 °F
Chance Rain
and BreezySaturday

High: 46 °F
Mostly Sunny
Saturday Night

Low: 34 °F
Partly Cloudy
Detailed Forecast
Tonight
Patchy fog after 3am. Otherwise, mostly cloudy, with a low around 39. South wind 5 to 7 mph becoming calm in the evening.
Wednesday
A 30 percent chance of showers, mainly after 5pm. Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 52. Southeast wind 5 to 10 mph.
Wednesday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 47. Southwest wind 11 to 15 mph.
Thursday
Rain likely before 5pm, then rain and snow likely. Mostly cloudy, with a temperature falling to around 42 by 5pm. Northwest wind around 16 mph, with gusts as high as 26 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
Thursday Night
Snow likely before 8pm. Mostly cloudy during the early evening, then gradual clearing, with a low around 31. Northwest wind 9 to 13 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
Friday
Increasing clouds, with a high near 44.
Friday Night
A 30 percent chance of rain before 2am. Mostly cloudy, with a low around 37. Breezy.
Saturday
Mostly sunny, with a high near 46.
Saturday Night
Partly cloudy, with a low around 34.
Sunday
Cloudy, with a high near 49.
Sunday Night
Rain. Low around 43. Breezy. Chance of precipitation is 80%.
Monday
Rain. High near 52. Breezy. Chance of precipitation is 90%.
Monday Night
Rain and snow likely. Mostly cloudy, with a low around 29. Chance of precipitation is 60%.
Tuesday
A 30 percent chance of snow. Mostly sunny, with a high near 37.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
3 Miles SE South Lyme CT
41.3°N 72.24°W (Elev. 0 ft)
41.3°N 72.24°W (Elev. 0 ft)
1:57 pm EDT Mar 10, 2026
4pm EDT Mar 10, 2026-6pm EDT Mar 17, 2026


