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.

Partly Cloudy

34°F

1°C

Humidity 64%
Wind Speed NW 8 mph
Barometer 30.00 in (1015.9 mb)
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Wind Chill27°F (-3°C)
Last update 8 Dec 1:56 am EST
Extended Forecast for

2 Miles W Hadlyme CT

  • Overnight

    Overnight: Mostly clear, with a low around 21. Northwest wind 11 to 15 mph, with gusts as high as 28 mph.

    Low: 21 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 27. Wind chill values between 10 and 15. North wind 8 to 14 mph, with gusts as high as 29 mph.

    High: 27 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 13. North wind 3 to 6 mph.

    Low: 13 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Increasing clouds, with a high near 32. Wind chill values between 15 and 25. Calm wind becoming south around 6 mph in the afternoon.

    High: 32 °F

    Increasing
    Clouds

  • Tuesday Night

    Tuesday Night: A slight chance of snow before 1am, then a slight chance of rain and snow between 1am and 4am, then a slight chance of rain after 4am. Mostly cloudy, with a low around 30. Southwest wind 8 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 20%.

    Low: 30 °F

    Slight Chance
    Snow then
    Slight Chance
    Rain/Snow

  • Wednesday

    Wednesday: Rain likely, mainly after 1pm. Mostly cloudy, with a high near 47. Chance of precipitation is 70%.

    High: 47 °F

    Chance Rain
    then Rain
    Likely

  • Wednesday Night

    Wednesday Night: A 40 percent chance of rain before 1am. Mostly cloudy, with a low around 31.

    Low: 31 °F

    Chance Rain

  • Thursday

    Thursday: Mostly sunny, with a high near 39.

    High: 39 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 24.

    Low: 24 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 21. Northwest wind 11 to 15 mph, with gusts as high as 28 mph.
Monday
Mostly sunny, with a high near 27. Wind chill values between 10 and 15. North wind 8 to 14 mph, with gusts as high as 29 mph.
Monday Night
Partly cloudy, with a low around 13. North wind 3 to 6 mph.
Tuesday
Increasing clouds, with a high near 32. Wind chill values between 15 and 25. Calm wind becoming south around 6 mph in the afternoon.
Tuesday Night
A slight chance of snow before 1am, then a slight chance of rain and snow between 1am and 4am, then a slight chance of rain after 4am. Mostly cloudy, with a low around 30. Southwest wind 8 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 20%.
Wednesday
Rain likely, mainly after 1pm. Mostly cloudy, with a high near 47. Chance of precipitation is 70%.
Wednesday Night
A 40 percent chance of rain before 1am. Mostly cloudy, with a low around 31.
Thursday
Mostly sunny, with a high near 39.
Thursday Night
Partly cloudy, with a low around 24.
Friday
Partly sunny, with a high near 36.
Friday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 23.
Saturday
A 40 percent chance of snow. Partly sunny, with a high near 34.
Saturday Night
Partly cloudy, with a low around 19.
Sunday
Mostly sunny, with a high near 30.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles W Hadlyme CT
 41.4°N 72.36°W (Elev. 279 ft)
Last Update:
1:04 am EST Dec 8, 2025
Forecast Valid:
2am EST Dec 8, 2025-6pm EST Dec 14, 2025
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation