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.

A Few Clouds

29°F

-2°C

Humidity 69%
Wind Speed N 6 mph
Barometer 30.15 in (1020.9 mb)
Dewpoint 20°F (-7°C)
Visibility 10.00 mi
Wind Chill23°F (-5°C)
Last update 2 Dec 3:56 am EST
Extended Forecast for

Groton / New London Airport CT

  • Today

    Today: Rain, mainly after 10am. High near 45. Southeast wind 8 to 15 mph. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.

    High: 45 °F

    Rain

  • Tonight

    Tonight: Rain likely, mainly before 10pm. Cloudy during the early evening, then gradual clearing, with a low around 29. Wind chill values between 20 and 25. Northwest wind around 16 mph, with gusts as high as 28 mph. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 29 °F

    Rain Likely
    then Slight
    Chance Rain

  • Wednesday

    Wednesday: Sunny, with a high near 40. Wind chill values between 20 and 30. Northwest wind 8 to 13 mph.

    High: 40 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 27. West wind 6 to 11 mph, with gusts as high as 21 mph.

    Low: 27 °F

    Partly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 41. West wind 14 to 17 mph.

    High: 41 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 14.

    Low: 14 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 33.

    High: 33 °F

    Mostly Sunny

  • Friday Night

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

    Low: 23 °F

    Mostly Cloudy

  • Saturday

    Saturday: A chance of snow before 10am, then a chance of rain between 10am and 4pm. Partly sunny, with a high near 41. Chance of precipitation is 30%.

    High: 41 °F

    Chance
    Rain/Snow
    then Chance
    Light Rain

Detailed Forecast

Today
Rain, mainly after 10am. High near 45. Southeast wind 8 to 15 mph. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.
Tonight
Rain likely, mainly before 10pm. Cloudy during the early evening, then gradual clearing, with a low around 29. Wind chill values between 20 and 25. Northwest wind around 16 mph, with gusts as high as 28 mph. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday
Sunny, with a high near 40. Wind chill values between 20 and 30. Northwest wind 8 to 13 mph.
Wednesday Night
Partly cloudy, with a low around 27. West wind 6 to 11 mph, with gusts as high as 21 mph.
Thursday
Partly sunny, with a high near 41. West wind 14 to 17 mph.
Thursday Night
Mostly clear, with a low around 14.
Friday
Mostly sunny, with a high near 33.
Friday Night
Mostly cloudy, with a low around 23.
Saturday
A chance of snow before 10am, then a chance of rain between 10am and 4pm. Partly sunny, with a high near 41. Chance of precipitation is 30%.
Saturday Night
Partly cloudy, with a low around 26.
Sunday
Partly sunny, with a high near 38.
Sunday Night
Partly cloudy, with a low around 17.
Monday
Mostly sunny, with a high near 31.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Groton / New London Airport CT
 41.34°N 72.05°W (Elev. 49 ft)
Last Update:
1:30 am EST Dec 2, 2025
Forecast Valid:
4am EST Dec 2, 2025-6pm EST Dec 8, 2025
 
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Additional Resources

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Chance of Precipitation