Current conditions at
Groton / New London, Groton / New London Airport (KGON)
Lat: 41.33°NLon: 72.05°WElev: 10ft.
Overcast
55°F
13°C
| Humidity | 96% |
| Wind Speed | NW 3 mph |
| Barometer | 29.94 in (1013.7 mb) |
| Dewpoint | 54°F (12°C) |
| Visibility | 10.00 mi |
| Last update | 5 Oct 5:56 am EDT |
Extended Forecast for
Preston CT
Today

High: 70 °F
Mostly Sunny
Tonight

Low: 40 °F
Clear
Tuesday

High: 62 °F
Sunny
Tuesday Night

Low: 34 °F
Clear then
Areas FrostWednesday

High: 64 °F
Areas Frost
then SunnyWednesday Night

Low: 51 °F
Mostly Clear
Thursday

High: 71 °F
Sunny
Thursday Night

Low: 48 °F
Mostly Clear
Friday

High: 69 °F
Sunny
Detailed Forecast
Today
Mostly sunny, with a high near 70. Light north wind becoming northwest 9 to 14 mph in the morning. Winds could gust as high as 28 mph.
Tonight
Clear, with a low around 40. Northwest wind 5 to 8 mph, with gusts as high as 21 mph.
Tuesday
Sunny, with a high near 62. Northwest wind 8 to 11 mph, with gusts as high as 21 mph.
Tuesday Night
Areas of frost after 5am. Otherwise, clear, with a low around 34. Calm wind.
Wednesday
Areas of frost before 8am. Otherwise, sunny, with a high near 64. Light and variable wind becoming southwest 6 to 11 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 51.
Thursday
Sunny, with a high near 71.
Thursday Night
Mostly clear, with a low around 48.
Friday
Sunny, with a high near 69.
Friday Night
Mostly clear, with a low around 48.
Saturday
Sunny, with a high near 67.
Saturday Night
Mostly clear, with a low around 44.
Sunday
Mostly sunny, with a high near 64.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Preston CT
41.55°N 72°W (Elev. 220 ft)
41.55°N 72°W (Elev. 220 ft)
3:16 am EDT Oct 5, 2026
6am EDT Oct 5, 2026-6pm EDT Oct 11, 2026


