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

    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.

    High: 70 °F

    Mostly Sunny

  • Tonight

    Tonight: Clear, with a low around 40. Northwest wind 5 to 8 mph, with gusts as high as 21 mph.

    Low: 40 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 62. Northwest wind 8 to 11 mph, with gusts as high as 21 mph.

    High: 62 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Areas of frost after 5am.  Otherwise, clear, with a low around 34. Calm wind.

    Low: 34 °F

    Clear then
    Areas Frost

  • Wednesday

    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.

    High: 64 °F

    Areas Frost
    then Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 51.

    Low: 51 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 71.

    High: 71 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 48.

    Low: 48 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 69.

    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.
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ABOUT THIS FORECAST

 
Point Forecast:
Preston CT
 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
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database