Current conditions at

Groton / New London, Groton / New London Airport (KGON)

Lat: 41.33°NLon: 72.05°WElev: 10ft.

Overcast

29°F

-2°C

Humidity 69%
Wind Speed N 6 mph
Barometer 29.98 in (1015.0 mb)
Dewpoint 20°F (-7°C)
Visibility 10.00 mi
Wind Chill23°F (-5°C)
Last update 6 Dec 12:56 am EST
Extended Forecast for

Preston CT

  • Overnight

    Overnight: A 20 percent chance of light snow after 4am.  Mostly cloudy, with a steady temperature around 26. Calm wind.

    Low: 26 °F

    Slight Chance
    Light Snow

  • Saturday

    Saturday: A chance of drizzle, snow, and freezing rain before noon, then a chance of drizzle between noon and 1pm.  Mostly cloudy, with a high near 39. Calm wind becoming west around 5 mph in the afternoon.  Chance of precipitation is 30%.

    High: 39 °F

    Chance Wintry
    Mix then
    Chance
    Drizzle

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 22. Calm wind.

    Low: 22 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 40. Wind chill values between 25 and 35. Calm wind becoming west around 5 mph.

    High: 40 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 21. Light west wind becoming northwest 6 to 11 mph after midnight.

    Low: 21 °F

    Mostly Cloudy

  • Monday

    Monday: Sunny, with a high near 29.

    High: 29 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 11.

    Low: 11 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 36.

    High: 36 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 27.

    Low: 27 °F

    Mostly Cloudy

Detailed Forecast

Overnight
A 20 percent chance of light snow after 4am. Mostly cloudy, with a steady temperature around 26. Calm wind.
Saturday
A chance of drizzle, snow, and freezing rain before noon, then a chance of drizzle between noon and 1pm. Mostly cloudy, with a high near 39. Calm wind becoming west around 5 mph in the afternoon. Chance of precipitation is 30%.
Saturday Night
Partly cloudy, with a low around 22. Calm wind.
Sunday
Partly sunny, with a high near 40. Wind chill values between 25 and 35. Calm wind becoming west around 5 mph.
Sunday Night
Mostly cloudy, with a low around 21. Light west wind becoming northwest 6 to 11 mph after midnight.
Monday
Sunny, with a high near 29.
Monday Night
Partly cloudy, with a low around 11.
Tuesday
Mostly sunny, with a high near 36.
Tuesday Night
Mostly cloudy, with a low around 27.
Wednesday
A 30 percent chance of rain after 1pm. Mostly cloudy, with a high near 46.
Wednesday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 32.
Thursday
A 30 percent chance of rain. Partly sunny, with a high near 41.
Thursday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 22.
Friday
A 30 percent chance of snow. Partly sunny, with a high near 36.
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ABOUT THIS FORECAST

 
Point Forecast:
Preston CT
 41.53°N 72.01°W (Elev. 200 ft)
12:53 am EST Dec 6, 2025
1am EST Dec 6, 2025-6pm EST Dec 12, 2025
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database