Hazardous Weather Conditions
Current conditions at
Groton / New London, Groton / New London Airport (KGON)
Lat: 41.33°NLon: 72.05°WElev: 10ft.
Fog
35°F
2°C
| Humidity | 100% |
| Wind Speed | Calm |
| Barometer | 30.02 in (1016.6 mb) |
| Dewpoint | 35°F (2°C) |
| Visibility | 0.50 mi |
| Last update | 10 Mar 5:56 am EDT |
Extended Forecast for
3 Miles SE South Lyme CT
Today
High: 58 °F
Patchy Fog
then Mostly
SunnyTonight

Low: 39 °F
Patchy Fog
Wednesday
High: 56 °F
Patchy Fog
then Mostly
CloudyWednesday Night

Low: 46 °F
Chance
ShowersThursday
High: 47 °F⇓
Chance Rain
then Chance
Rain/SnowThursday Night
Low: 31 °F
Chance Snow
then Mostly
ClearFriday

High: 43 °F
Increasing
CloudsFriday Night

Low: 37 °F
Mostly Cloudy
Saturday

High: 46 °F
Mostly Sunny
Detailed Forecast
Today
Patchy fog before 11am. Otherwise, partly sunny, with a high near 58. Calm wind becoming south 5 to 7 mph in the afternoon.
Tonight
Patchy fog. Otherwise, mostly cloudy, with a low around 39. Southwest wind around 6 mph becoming calm in the evening.
Wednesday
Patchy fog before 11am. Otherwise, mostly cloudy, with a high near 56. East wind 5 to 10 mph.
Wednesday Night
A chance of rain before 11pm, then a chance of showers and thunderstorms between 11pm and 2am, then a chance of rain after 2am. Mostly cloudy, with a low around 46. Southwest wind 10 to 13 mph. Chance of precipitation is 40%.
Thursday
A chance of rain before 5pm, then a chance of rain and snow. Mostly cloudy, with a temperature falling to around 41 by 5pm. West wind 14 to 16 mph. Chance of precipitation is 50%.
Thursday Night
A 30 percent chance of snow before 8pm. Mostly cloudy during the early evening, then gradual clearing, with a low around 31.
Friday
Increasing clouds, with a high near 43.
Friday Night
Mostly cloudy, with a low around 37.
Saturday
Mostly sunny, with a high near 46.
Saturday Night
Partly cloudy, with a low around 34.
Sunday
Mostly cloudy, with a high near 48.
Sunday Night
Rain. Low around 42. Breezy. Chance of precipitation is 80%.
Monday
Rain. High near 50. Breezy. Chance of precipitation is 80%.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
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)
2:07 am EDT Mar 10, 2026
6am EDT Mar 10, 2026-6pm EDT Mar 16, 2026



