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

59°F

15°C

Humidity 56%
Wind Speed W 14 G 21 mph
Barometer 29.75 in (1007.3 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Last update 8 Nov 11:56 am EST
Extended Forecast for

Hadlyme CT

  • This Afternoon

    This Afternoon: Partly sunny, then gradually becoming sunny, with a high near 60. West wind 10 to 14 mph, with gusts as high as 31 mph.

    High: 60 °F

    Becoming
    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 42. West wind around 8 mph, with gusts as high as 20 mph.

    Low: 42 °F

    Mostly Clear

  • Monday

    Monday: A 20 percent chance of showers before 1pm. Mostly sunny, with a high near 57. Northwest wind 9 to 16 mph.

    High: 57 °F

    Slight Chance
    Showers

  • Monday Night

    Monday Night: Mostly clear, with a low around 38. West wind 5 to 11 mph.

    Low: 38 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 60. West wind 5 to 9 mph, with gusts as high as 21 mph.

    High: 60 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 39.

    Low: 39 °F

    Clear

  • Veterans Day

    Veterans Day: Sunny, with a high near 61.

    High: 61 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 35.

    Low: 35 °F

    Partly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 57.

    High: 57 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Partly sunny, then gradually becoming sunny, with a high near 60. West wind 10 to 14 mph, with gusts as high as 31 mph.
Tonight
Mostly clear, with a low around 42. West wind around 8 mph, with gusts as high as 20 mph.
Monday
A 20 percent chance of showers before 1pm. Mostly sunny, with a high near 57. Northwest wind 9 to 16 mph.
Monday Night
Mostly clear, with a low around 38. West wind 5 to 11 mph.
Tuesday
Mostly sunny, with a high near 60. West wind 5 to 9 mph, with gusts as high as 21 mph.
Tuesday Night
Clear, with a low around 39.
Veterans Day
Sunny, with a high near 61.
Wednesday Night
Partly cloudy, with a low around 35.
Thursday
Partly sunny, with a high near 57.
Thursday Night
Rain likely, mainly after 1am. Mostly cloudy, with a low around 34. Chance of precipitation is 60%.
Friday
A chance of rain and snow. Mostly cloudy, with a high near 49. Chance of precipitation is 50%.
Friday Night
A chance of rain and snow. Mostly cloudy, with a low around 30. Chance of precipitation is 30%.
Saturday
A 30 percent chance of snow. Partly sunny, with a high near 51.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Hadlyme CT
 41.39°N 72.31°W (Elev. 105 ft)
Last Update:
5:44 am EST Nov 8, 2026
Forecast Valid:
12pm EST Nov 8, 2026-6pm EST Nov 14, 2026
 
Forecast Discussion
 
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Additional Resources

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National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation