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.

Overcast

37°F

3°C

Humidity 89%
Wind Speed W 7 mph
Barometer 29.83 in (1010.2 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Wind Chill32°F (0°C)
Last update 24 Dec 4:56 am EST
Extended Forecast for

Groton / New London Airport CT

  • Today

    Today: Sunny, with a high near 41. Breezy, with a west wind 14 to 20 mph becoming north in the afternoon. Winds could gust as high as 36 mph.

    High: 41 °F

    Sunny and
    Breezy

  • Tonight

    Tonight: Increasing clouds, with a low around 25. North wind 5 to 7 mph becoming calm.

    Low: 25 °F

    Increasing
    Clouds

  • Christmas Day

    Christmas Day: A slight chance of rain and snow before 1pm. Mostly cloudy, with a high near 41. Wind chill values between 25 and 35. Southwest wind 7 to 14 mph becoming northwest in the afternoon. Chance of precipitation is 20%.

    High: 41 °F

    Slight Chance
    Rain/Snow

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 16. Wind chill values between 5 and 10. North wind 11 to 14 mph.

    Low: 16 °F

    Partly Cloudy

  • Friday

    Friday: A 20 percent chance of snow after 1pm. Partly sunny, with a high near 27. North wind 7 to 11 mph, with gusts as high as 21 mph.

    High: 27 °F

    Mostly Sunny
    then Slight
    Chance Snow

  • Friday Night

    Friday Night: Snow. Low around 19. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.

    Low: 19 °F

    Snow

  • Saturday

    Saturday: A 50 percent chance of snow before 1pm. Mostly cloudy, with a high near 32.

    High: 32 °F

    Chance Snow

  • Saturday Night

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

    Low: 23 °F

    Mostly Cloudy

  • Sunday

    Sunday: A 50 percent chance of rain after 1pm. Mostly cloudy, with a high near 40.

    High: 40 °F

    Mostly Cloudy
    then Chance
    Rain

Detailed Forecast

Today
Sunny, with a high near 41. Breezy, with a west wind 14 to 20 mph becoming north in the afternoon. Winds could gust as high as 36 mph.
Tonight
Increasing clouds, with a low around 25. North wind 5 to 7 mph becoming calm.
Christmas Day
A slight chance of rain and snow before 1pm. Mostly cloudy, with a high near 41. Wind chill values between 25 and 35. Southwest wind 7 to 14 mph becoming northwest in the afternoon. Chance of precipitation is 20%.
Thursday Night
Partly cloudy, with a low around 16. Wind chill values between 5 and 10. North wind 11 to 14 mph.
Friday
A 20 percent chance of snow after 1pm. Partly sunny, with a high near 27. North wind 7 to 11 mph, with gusts as high as 21 mph.
Friday Night
Snow. Low around 19. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.
Saturday
A 50 percent chance of snow before 1pm. Mostly cloudy, with a high near 32.
Saturday Night
Mostly cloudy, with a low around 23.
Sunday
A 50 percent chance of rain after 1pm. Mostly cloudy, with a high near 40.
Sunday Night
Rain. Low around 28. Chance of precipitation is 80%.
Monday
A 40 percent chance of rain. Partly sunny, with a high near 38.
Monday Night
Partly cloudy, with a low around 20.
Tuesday
Mostly sunny, with a high near 31.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Groton / New London Airport CT
 41.34°N 72.05°W (Elev. 49 ft)
Last Update:
1:22 am EST Dec 24, 2025
Forecast Valid:
5am EST Dec 24, 2025-6pm EST Dec 30, 2025
 
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Additional Resources

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