Hazardous Weather Conditions
Current conditions at
Groton / New London, Groton / New London Airport (KGON)
Lat: 41.33°NLon: 72.05°WElev: 10ft.
Fair
54°F
12°C
| Humidity | 67% |
| Wind Speed | E 10 mph |
| Barometer | 30.00 in (1015.8 mb) |
| Dewpoint | 43°F (6°C) |
| Visibility | 10.00 mi |
| Wind Chill | 51°F (11°C) |
| Last update | 11 Mar 10:56 am EDT |
Extended Forecast for
Groton CT
Today

High: 55 °F
Slight Chance
ShowersTonight

Low: 43 °F
Chance
Showers and
Areas FogThursday
High: 50 °F⇓
Chance
Showers and
Patchy Fog
then Chance
Rain/SnowThursday Night

Low: 32 °F
Gradual
ClearingFriday

High: 43 °F
Increasing
CloudsFriday Night

Low: 40 °F
Chance
Showers and
BreezySaturday

High: 45 °F
Sunny and
BreezySaturday Night

Low: 32 °F
Partly Cloudy
Sunday

High: 45 °F
Cloudy
Detailed Forecast
Today
A 20 percent chance of showers after 2pm. Partly sunny, with a high near 55. Southeast wind 8 to 10 mph.
Tonight
A 30 percent chance of showers and thunderstorms, mainly before 5am. Areas of fog. Otherwise, mostly cloudy, with a low around 43. South wind 14 to 17 mph.
Thursday
A chance of rain showers before 2pm, then a chance of rain and snow showers. Patchy fog before 8am. Otherwise, mostly cloudy, with a temperature rising to near 50 by 10am, then falling to around 40 during the remainder of the day. Northwest wind around 17 mph. Chance of precipitation is 50%.
Thursday Night
Mostly cloudy during the early evening, then gradual clearing, with a low around 32. Wind chill values between 25 and 30. Northwest wind 10 to 13 mph.
Friday
Increasing clouds, with a high near 43. West wind 7 to 12 mph becoming south 13 to 18 mph in the afternoon.
Friday Night
A 30 percent chance of showers before 2am. Mostly cloudy, then gradually becoming mostly clear, with a steady temperature around 40. Breezy.
Saturday
Sunny, with a high near 45. Breezy.
Saturday Night
Partly cloudy, with a low around 32.
Sunday
Cloudy, with a high near 45.
Sunday Night
Showers likely, mainly after 2am. Cloudy, with a low around 41. Breezy. Chance of precipitation is 70%.
Monday
Showers. High near 52. Breezy. Chance of precipitation is 90%.
Monday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 33.
Tuesday
Mostly sunny, with a high near 39.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Groton CT
41.32°N 72.06°W (Elev. 3 ft)
41.32°N 72.06°W (Elev. 3 ft)
9:48 am EDT Mar 11, 2026
11am EDT Mar 11, 2026-6pm EDT Mar 17, 2026



