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

37°F

3°C

Humidity 42%
Wind Speed W 13 G 22 mph
Barometer 30.03 in (1016.7 mb)
Dewpoint 16°F (-9°C)
Visibility 10.00 mi
Wind Chill29°F (-2°C)
Last update 28 Nov 9:56 pm EST
Extended Forecast for

Groton / New London Airport CT

  • Tonight

    Tonight: Mostly clear, with a low around 28. Wind chill values between 20 and 25. West wind 14 to 16 mph, with gusts as high as 30 mph.

    Low: 28 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 42. Wind chill values between 20 and 30. Northwest wind 9 to 14 mph.

    High: 42 °F

    Sunny

  • Saturday Night

    Saturday Night: Increasing clouds, with a low around 28. Northwest wind around 5 mph becoming calm.

    Low: 28 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Rain, mainly after 1pm. High near 51. Breezy, with a south wind 9 to 14 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 31 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 51 °F

    Slight Chance
    Rain then
    Rain and
    Breezy

  • Sunday Night

    Sunday Night: Rain likely before 1am. Cloudy, then gradually becoming partly cloudy, with a low around 32. Breezy, with a south wind 15 to 20 mph becoming west after midnight. Winds could gust as high as 32 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 32 °F

    Rain Likely
    and Breezy

  • Monday

    Monday: Mostly sunny, with a high near 40.

    High: 40 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Increasing clouds, with a low around 25.

    Low: 25 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: A chance of rain and snow before 1pm, then rain. High near 42. Chance of precipitation is 80%.

    High: 42 °F

    Chance
    Rain/Snow
    then
    Rain/Snow

  • Tuesday Night

    Tuesday Night: Rain likely, mainly before 1am. Mostly cloudy, with a low around 28. Chance of precipitation is 60%.

    Low: 28 °F

    Rain Likely

Detailed Forecast

Tonight
Mostly clear, with a low around 28. Wind chill values between 20 and 25. West wind 14 to 16 mph, with gusts as high as 30 mph.
Saturday
Sunny, with a high near 42. Wind chill values between 20 and 30. Northwest wind 9 to 14 mph.
Saturday Night
Increasing clouds, with a low around 28. Northwest wind around 5 mph becoming calm.
Sunday
Rain, mainly after 1pm. High near 51. Breezy, with a south wind 9 to 14 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 31 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday Night
Rain likely before 1am. Cloudy, then gradually becoming partly cloudy, with a low around 32. Breezy, with a south wind 15 to 20 mph becoming west after midnight. Winds could gust as high as 32 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday
Mostly sunny, with a high near 40.
Monday Night
Increasing clouds, with a low around 25.
Tuesday
A chance of rain and snow before 1pm, then rain. High near 42. Chance of precipitation is 80%.
Tuesday Night
Rain likely, mainly before 1am. Mostly cloudy, with a low around 28. Chance of precipitation is 60%.
Wednesday
Mostly sunny, with a high near 39.
Wednesday Night
Partly cloudy, with a low around 26.
Thursday
Partly sunny, with a high near 40.
Thursday Night
Partly cloudy, with a low around 20.
Friday
Mostly sunny, with a high near 36.
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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:
5:57 pm EST Nov 28, 2025
Forecast Valid:
10pm EST Nov 28, 2025-6pm EST Dec 5, 2025
 
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Additional Resources

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