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.

Fair

41°F

5°C

Humidity 51%
Wind Speed SW 15 G 23 mph
Barometer 30.00 in (1015.9 mb)
Dewpoint 24°F (-4°C)
Visibility 10.00 mi
Wind Chill33°F (1°C)
Last update 13 Jan 11:56 am EST
Extended Forecast for

2 Miles W Hadlyme CT

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 42. West wind 5 to 8 mph becoming south.

    High: 42 °F

    Mostly Sunny

  • Tonight

    Tonight: A 20 percent chance of rain after 1am. Increasing clouds, with a low around 36. South wind 7 to 10 mph, with gusts as high as 20 mph.

    Low: 36 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Wednesday

    Wednesday: A 20 percent chance of rain before 1pm. Mostly cloudy, with a high near 46. Southwest wind 5 to 7 mph.

    High: 46 °F

    Slight Chance
    Rain

  • Wednesday Night

    Wednesday Night: A 40 percent chance of rain, mainly after 1am. Cloudy, with a low around 30. Calm wind becoming south around 5 mph after midnight.

    Low: 30 °F

    Chance Rain

  • Thursday

    Thursday: A slight chance of snow before 10am, then a slight chance of rain between 10am and 1pm. Partly sunny, with a temperature rising to near 36 by 10am, then falling to around 28 during the remainder of the day. West wind 7 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 20%.

    High: 36 °F⇓

    Slight Chance
    Rain/Snow
    then Slight
    Chance Rain

  • 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 26.

    Low: 26 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 40.

    High: 40 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 42. West wind 5 to 8 mph becoming south.
Tonight
A 20 percent chance of rain after 1am. Increasing clouds, with a low around 36. South wind 7 to 10 mph, with gusts as high as 20 mph.
Wednesday
A 20 percent chance of rain before 1pm. Mostly cloudy, with a high near 46. Southwest wind 5 to 7 mph.
Wednesday Night
A 40 percent chance of rain, mainly after 1am. Cloudy, with a low around 30. Calm wind becoming south around 5 mph after midnight.
Thursday
A slight chance of snow before 10am, then a slight chance of rain between 10am and 1pm. Partly sunny, with a temperature rising to near 36 by 10am, then falling to around 28 during the remainder of the day. West wind 7 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 20%.
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 26.
Saturday
Mostly sunny, with a high near 40.
Saturday Night
Mostly cloudy, with a low around 25.
Sunday
Partly sunny, with a high near 33.
Sunday Night
Partly cloudy, with a low around 19.
M.L.King Day
Mostly sunny, with a high near 31.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles W Hadlyme CT
 41.4°N 72.36°W (Elev. 279 ft)
Last Update:
12:35 pm EST Jan 13, 2026
Forecast Valid:
12pm EST Jan 13, 2026-6pm EST Jan 19, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation