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

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

Lat: 41.33°NLon: 72.05°WElev: 10ft.

Light Rain Fog/Mist

36°F

2°C

Humidity 97%
Wind Speed N 16 G 25 mph
Barometer 29.53 in (999.8 mb)
Dewpoint 35°F (2°C)
Visibility 5.00 mi
Wind Chill26°F (-3°C)
Last update 2 Dec 7:56 pm EST
Extended Forecast for

Preston CT

  • Tonight

    Tonight: A 30 percent chance of rain, mainly before 11pm. Cloudy, then gradually becoming partly cloudy, with a low around 29. Northwest wind around 10 mph, with gusts as high as 24 mph.

    Low: 29 °F

    Chance Rain

  • Wednesday

    Wednesday: Sunny, with a high near 41. Wind chill values between 20 and 30. Northwest wind 3 to 7 mph.

    High: 41 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 26. Calm wind becoming southwest around 5 mph after midnight.

    Low: 26 °F

    Partly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 39. Wind chill values between 25 and 30. West wind 6 to 14 mph, with gusts as high as 25 mph.

    High: 39 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 12. Northwest wind 6 to 14 mph, with gusts as high as 29 mph.

    Low: 12 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 31.

    High: 31 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A 30 percent chance of snow after 1am. Mostly cloudy, with a low around 20.

    Low: 20 °F

    Mostly Cloudy
    then Chance
    Snow

  • Saturday

    Saturday: A chance of rain and snow before 1pm. Partly sunny, with a high near 39. Chance of precipitation is 30%.

    High: 39 °F

    Chance
    Rain/Snow

  • Saturday Night

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

    Low: 23 °F

    Partly Cloudy

Detailed Forecast

Tonight
A 30 percent chance of rain, mainly before 11pm. Cloudy, then gradually becoming partly cloudy, with a low around 29. Northwest wind around 10 mph, with gusts as high as 24 mph.
Wednesday
Sunny, with a high near 41. Wind chill values between 20 and 30. Northwest wind 3 to 7 mph.
Wednesday Night
Partly cloudy, with a low around 26. Calm wind becoming southwest around 5 mph after midnight.
Thursday
Partly sunny, with a high near 39. Wind chill values between 25 and 30. West wind 6 to 14 mph, with gusts as high as 25 mph.
Thursday Night
Mostly clear, with a low around 12. Northwest wind 6 to 14 mph, with gusts as high as 29 mph.
Friday
Mostly sunny, with a high near 31.
Friday Night
A 30 percent chance of snow after 1am. Mostly cloudy, with a low around 20.
Saturday
A chance of rain and snow before 1pm. Partly sunny, with a high near 39. Chance of precipitation is 30%.
Saturday Night
Partly cloudy, with a low around 23.
Sunday
Mostly sunny, with a high near 38.
Sunday Night
Partly cloudy, with a low around 16.
Monday
Mostly sunny, with a high near 30.
Monday Night
Partly cloudy, with a low around 13.
Tuesday
Partly sunny, with a high near 32.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Preston CT
 41.53°N 72.01°W (Elev. 200 ft)
Last Update:
5:30 pm EST Dec 2, 2025
Forecast Valid:
8pm EST Dec 2, 2025-6pm EST Dec 9, 2025
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation