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

35°F

2°C

Humidity 78%
Wind Speed NW 3 mph
Barometer 29.91 in (1012.9 mb)
Dewpoint 29°F (-2°C)
Visibility 10.00 mi
Last update 6 Dec 8:56 pm EST
Extended Forecast for

2 Miles SSW Preston CT

  • Tonight

    Tonight: Partly cloudy, with a low around 23. Calm wind.

    Low: 23 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 41. Wind chill values between 25 and 35. Calm wind becoming north around 5 mph.

    High: 41 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 21. Wind chill values between 15 and 20. Calm wind becoming northwest 5 to 8 mph after midnight.

    Low: 21 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 28. Wind chill values between 10 and 15. North wind 10 to 14 mph.

    High: 28 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 10. North wind around 6 mph becoming calm after midnight.

    Low: 10 °F

    Mostly Clear

  • Tuesday

    Tuesday: Increasing clouds, with a high near 37.

    High: 37 °F

    Increasing
    Clouds

  • Tuesday Night

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

    Low: 27 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A 40 percent chance of rain after 1pm. Mostly cloudy, with a high near 46.

    High: 46 °F

    Mostly Cloudy
    then Chance
    Rain

  • Wednesday Night

    Wednesday Night: A 40 percent chance of rain. Mostly cloudy, with a low around 30.

    Low: 30 °F

    Chance Rain

Detailed Forecast

Tonight
Partly cloudy, with a low around 23. Calm wind.
Sunday
Partly sunny, with a high near 41. Wind chill values between 25 and 35. Calm wind becoming north around 5 mph.
Sunday Night
Partly cloudy, with a low around 21. Wind chill values between 15 and 20. Calm wind becoming northwest 5 to 8 mph after midnight.
Monday
Sunny, with a high near 28. Wind chill values between 10 and 15. North wind 10 to 14 mph.
Monday Night
Mostly clear, with a low around 10. North wind around 6 mph becoming calm after midnight.
Tuesday
Increasing clouds, with a high near 37.
Tuesday Night
Mostly cloudy, with a low around 27.
Wednesday
A 40 percent chance of rain after 1pm. Mostly cloudy, with a high near 46.
Wednesday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 30.
Thursday
A 30 percent chance of rain before 1pm. Partly sunny, with a high near 42.
Thursday Night
A chance of rain and snow. Mostly cloudy, with a low around 25. Chance of precipitation is 30%.
Friday
A chance of rain and snow. Partly sunny, with a high near 39. Chance of precipitation is 30%.
Friday Night
A 30 percent chance of snow. Partly cloudy, with a low around 20.
Saturday
Mostly sunny, with a high near 32.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SSW Preston CT
 41.53°N 72.01°W (Elev. 200 ft)
Last Update:
4:40 pm EST Dec 6, 2025
Forecast Valid:
9pm EST Dec 6, 2025-6pm EST Dec 13, 2025
 
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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