Current conditions at
Groton / New London, Groton / New London Airport (KGON)
Lat: 41.33°NLon: 72.05°WElev: 10ft.
Overcast
34°F
1°C
| Humidity | 54% |
| Wind Speed | SW 12 mph |
| Barometer | 30.11 in (1019.4 mb) |
| Dewpoint | 19°F (-7°C) |
| Visibility | 10.00 mi |
| Wind Chill | 25°F (-4°C) |
| Last update | 16 Jan 11:56 pm EST |
Extended Forecast for
Groton CT
Overnight

Low: 36 °F
Slight Chance
SnowSaturday
High: 43 °F
Chance
Rain/Snow
then Rain
LikelySaturday Night
Low: 34 °F
Chance Rain
then Slight
Chance SnowSunday

High: 35 °F
Snow Likely
Sunday Night

Low: 26 °F
Chance Snow
M.L.King Day
High: 33 °F
Sunny then
Sunny and
BreezyMonday Night

Low: 19 °F
Mostly Clear
and BreezyTuesday

High: 22 °F
Sunny
Tuesday Night

Low: 17 °F
Mostly Clear
Detailed Forecast
Overnight
A 20 percent chance of snow after 4am. Mostly cloudy, with a steady temperature around 36. South wind around 9 mph.
Saturday
A slight chance of rain and snow before 10am, then rain likely. Mostly cloudy, with a high near 43. South wind 8 to 13 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
Saturday Night
A chance of rain before 7pm, then a slight chance of snow after 1am. Mostly cloudy, with a low around 34. West wind 5 to 10 mph. Chance of precipitation is 30%.
Sunday
Snow likely, mainly after 1pm. Cloudy, with a steady temperature around 35. Southwest wind 5 to 8 mph becoming northwest in the afternoon. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Sunday Night
A 40 percent chance of snow before 1am. Cloudy during the early evening, then gradual clearing, with a low around 26. Northwest wind 7 to 10 mph.
M.L.King Day
Sunny, with a high near 33. Breezy.
Monday Night
Mostly clear, with a low around 19. Breezy.
Tuesday
Sunny, with a high near 22.
Tuesday Night
Mostly clear, with a low around 17.
Wednesday
Mostly sunny, with a high near 32.
Wednesday Night
Mostly cloudy, with a low around 28.
Thursday
Mostly cloudy, with a high near 37.
Thursday Night
A chance of rain and snow. Mostly cloudy, with a low around 24. Chance of precipitation is 30%.
Friday
A 30 percent chance of snow. Mostly sunny, with a high near 32.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Groton CT
41.32°N 72.09°W (Elev. 3 ft)
41.32°N 72.09°W (Elev. 3 ft)
3:33 pm EST Jan 16, 2026
12am EST Jan 17, 2026-6pm EST Jan 23, 2026


