National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

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

Lat: 41.33°NLon: 72.05°WElev: 10ft.

Fair

15°F

-9°C

Humidity 42%
Wind Speed N 3 mph
Barometer 30.34 in (1027.3 mb)
Dewpoint -4°F (-20°C)
Visibility 10.00 mi
Last update 5 Dec 5:56 am EST
Extended Forecast for

2 Miles SSW Preston CT

  • Today

    Today: Sunny, with a high near 30. Wind chill values between 10 and 20. Calm wind becoming south around 6 mph.

    High: 30 °F

    Sunny

  • Tonight

    Tonight: A 20 percent chance of light snow after 4am. Increasing clouds, with a low around 21. Calm wind.

    Low: 21 °F

    Mostly Cloudy
    then Slight
    Chance Light
    Snow

  • Saturday

    Saturday: A chance of snow, possibly mixing with rain after 10am, then gradually ending. Mostly cloudy, with a high near 42. Wind chill values between 20 and 30. Calm wind becoming southwest 5 to 7 mph in the afternoon. Chance of precipitation is 30%.

    High: 42 °F

    Chance
    Rain/Snow

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 23. Light northwest wind.

    Low: 23 °F

    Partly Cloudy

  • Sunday

    Sunday: Increasing clouds, with a high near 40. Light and variable wind becoming north around 5 mph.

    High: 40 °F

    Increasing
    Clouds

  • Sunday Night

    Sunday Night: A 30 percent chance of snow showers before 4am. Mostly cloudy, with a low around 21.

    Low: 21 °F

    Chance Snow
    Showers

  • Monday

    Monday: Mostly sunny, with a high near 31.

    High: 31 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 11.

    Low: 11 °F

    Mostly Clear

  • Tuesday

    Tuesday: Partly sunny, with a high near 36.

    High: 36 °F

    Partly Sunny

Detailed Forecast

Today
Sunny, with a high near 30. Wind chill values between 10 and 20. Calm wind becoming south around 6 mph.
Tonight
A 20 percent chance of light snow after 4am. Increasing clouds, with a low around 21. Calm wind.
Saturday
A chance of snow, possibly mixing with rain after 10am, then gradually ending. Mostly cloudy, with a high near 42. Wind chill values between 20 and 30. Calm wind becoming southwest 5 to 7 mph in the afternoon. Chance of precipitation is 30%.
Saturday Night
Partly cloudy, with a low around 23. Light northwest wind.
Sunday
Increasing clouds, with a high near 40. Light and variable wind becoming north around 5 mph.
Sunday Night
A 30 percent chance of snow showers before 4am. Mostly cloudy, with a low around 21.
Monday
Mostly sunny, with a high near 31.
Monday Night
Mostly clear, with a low around 11.
Tuesday
Partly sunny, with a high near 36.
Tuesday Night
Mostly cloudy, with a low around 25.
Wednesday
A 30 percent chance of rain. Mostly cloudy, with a high near 47.
Wednesday Night
Rain likely. Cloudy, with a low around 35. Chance of precipitation is 60%.
Thursday
A 40 percent chance of rain. Mostly cloudy, with a high near 44.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SSW Preston CT
 41.53°N 72.01°W (Elev. 200 ft)
Last Update:
3:30 am EST Dec 5, 2025
Forecast Valid:
6am EST Dec 5, 2025-6pm EST Dec 11, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation