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

25°F

-4°C

Humidity 33%
Wind Speed Vrbl 5 mph
Barometer 30.21 in (1022.8 mb)
Dewpoint 0°F (-18°C)
Visibility 10.00 mi
Wind Chill19°F (-7°C)
Last update 9 Dec 11:56 am EST
Extended Forecast for

2 Miles SSW Preston CT

  • This Afternoon

    This Afternoon: Increasing clouds, with a high near 31. Wind chill values between 20 and 25. Southwest wind around 6 mph.

    High: 31 °F

    Increasing
    Clouds

  • Tonight

    Tonight: A chance of snow, mixing with rain after midnight, then gradually ending. Mostly cloudy, with a temperature rising to around 32 by midnight. Wind chill values between 20 and 25. South wind 5 to 7 mph. Chance of precipitation is 30%.

    Low: 25 °F⇑

    Chance Snow
    then Chance
    Rain/Snow

  • Wednesday

    Wednesday: Rain likely, mainly after 1pm. Mostly cloudy, with a high near 47. Wind chill values between 20 and 30 early. South wind 8 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 47 °F

    Slight Chance
    Rain then
    Rain Likely

  • Wednesday Night

    Wednesday Night: A 30 percent chance of rain before 1am. Mostly cloudy, with a low around 30. Southwest wind 7 to 13 mph, with gusts as high as 23 mph.

    Low: 30 °F

    Chance Rain

  • Thursday

    Thursday: Mostly sunny, with a high near 38. West wind 9 to 15 mph, with gusts as high as 26 mph.

    High: 38 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 22.

    Low: 22 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 35.

    High: 35 °F

    Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 23.

    Low: 23 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 38.

    High: 38 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Increasing clouds, with a high near 31. Wind chill values between 20 and 25. Southwest wind around 6 mph.
Tonight
A chance of snow, mixing with rain after midnight, then gradually ending. Mostly cloudy, with a temperature rising to around 32 by midnight. Wind chill values between 20 and 25. South wind 5 to 7 mph. Chance of precipitation is 30%.
Wednesday
Rain likely, mainly after 1pm. Mostly cloudy, with a high near 47. Wind chill values between 20 and 30 early. South wind 8 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday Night
A 30 percent chance of rain before 1am. Mostly cloudy, with a low around 30. Southwest wind 7 to 13 mph, with gusts as high as 23 mph.
Thursday
Mostly sunny, with a high near 38. West wind 9 to 15 mph, with gusts as high as 26 mph.
Thursday Night
Partly cloudy, with a low around 22.
Friday
Sunny, with a high near 35.
Friday Night
Mostly cloudy, with a low around 23.
Saturday
Partly sunny, with a high near 38.
Saturday Night
Mostly cloudy, with a low around 23.
Sunday
A 30 percent chance of snow. Partly sunny, with a high near 33.
Sunday Night
Mostly clear, with a low around 13.
Monday
Sunny, with a high near 27.
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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:
5:28 am EST Dec 9, 2025
Forecast Valid:
12pm EST Dec 9, 2025-6pm EST Dec 15, 2025
 
Forecast Discussion
 
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Additional Resources

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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