Current conditions at
Groton / New London, Groton / New London Airport (KGON)
Lat: 41.33°NLon: 72.05°WElev: 10ft.
Overcast
43°F
6°C
| Humidity | 65% |
| Wind Speed | NW 15 G 31 mph |
| Barometer | 29.67 in (1004.6 mb) |
| Dewpoint | 32°F (0°C) |
| Visibility | 10.00 mi |
| Wind Chill | 36°F (2°C) |
| Last update | 12 Mar 11:56 am EDT |
Extended Forecast for
3 Miles SE Old Lyme CT
This Afternoon

High: 45 °F⇓
Rain/Snow
Tonight
Low: 29 °F
Rain/Snow
then Mostly
ClearFriday

High: 43 °F
Increasing
CloudsFriday Night
Low: 40 °F
Slight Chance
Rain then
Partly CloudySaturday

High: 48 °F
Sunny
Saturday Night

Low: 30 °F
Increasing
CloudsSunday

High: 45 °F
Cloudy
Sunday Night
Low: 38 °F
Chance Rain
then Rain
LikelyMonday

High: 56 °F
Rain
Detailed Forecast
This Afternoon
Rain likely before 4pm, then rain and snow. Temperature falling to around 36 by 5pm. Northwest wind 14 to 16 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.
Tonight
Snow, possibly mixed with rain, becoming all snow after 7pm, then gradually ending. Low around 29. Northwest wind 8 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Friday
Increasing clouds, with a high near 43. Wind chill values between 25 and 35. West wind 5 to 13 mph becoming south in the afternoon.
Friday Night
A 20 percent chance of rain before 11pm. Mostly cloudy, then gradually becoming mostly clear, with a steady temperature around 40. South wind 11 to 13 mph, with gusts as high as 24 mph.
Saturday
Sunny, with a high near 48. West wind around 15 mph, with gusts as high as 28 mph.
Saturday Night
Increasing clouds, with a low around 30.
Sunday
Cloudy, with a high near 45.
Sunday Night
Rain likely, mainly after 2am. Cloudy, with a low around 38. Chance of precipitation is 70%.
Monday
Rain. High near 56. Chance of precipitation is 90%.
Monday Night
Rain likely, mainly before 2am. Cloudy, with a low around 33. Chance of precipitation is 70%.
Tuesday
A 30 percent chance of rain. Mostly sunny, with a high near 42.
Tuesday Night
Mostly clear, with a low around 24.
Wednesday
Mostly sunny, with a high near 38.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
3 Miles SE Old Lyme CT
41.28°N 72.3°W (Elev. 0 ft)
41.28°N 72.3°W (Elev. 0 ft)
11:29 am EDT Mar 12, 2026
12pm EDT Mar 12, 2026-6pm EDT Mar 18, 2026


