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

25°F

-4°C

Humidity 66%
Wind Speed Calm
Barometer 30.09 in (1018.9 mb)
Dewpoint 15°F (-9°C)
Visibility 10.00 mi
Last update 14 Feb 7:56 am EST
Extended Forecast for

2 Miles W Hadlyme CT

  • Today

    Today: Mostly sunny, with a high near 39. West wind 3 to 6 mph.

    High: 39 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 22. Calm wind.

    Low: 22 °F

    Mostly Clear

  • Sunday

    Sunday: Increasing clouds, with a high near 37. Wind chill values between 20 and 30. Light and variable wind.

    High: 37 °F

    Increasing
    Clouds

  • Sunday Night

    Sunday Night: A 30 percent chance of snow, mainly after 1am. Mostly cloudy, with a low around 26. Light east wind.

    Low: 26 °F

    Chance Snow

  • Washington's Birthday

    Washington's Birthday: Mostly cloudy, with a high near 40. Northeast wind 3 to 5 mph.

    High: 40 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 27.

    Low: 27 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 43.

    High: 43 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 31.

    Low: 31 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A 50 percent chance of rain. Cloudy, with a high near 42.

    High: 42 °F

    Chance Rain

Detailed Forecast

Today
Mostly sunny, with a high near 39. West wind 3 to 6 mph.
Tonight
Mostly clear, with a low around 22. Calm wind.
Sunday
Increasing clouds, with a high near 37. Wind chill values between 20 and 30. Light and variable wind.
Sunday Night
A 30 percent chance of snow, mainly after 1am. Mostly cloudy, with a low around 26. Light east wind.
Washington's Birthday
Mostly cloudy, with a high near 40. Northeast wind 3 to 5 mph.
Monday Night
Mostly cloudy, with a low around 27.
Tuesday
Partly sunny, with a high near 43.
Tuesday Night
Mostly cloudy, with a low around 31.
Wednesday
A 50 percent chance of rain. Cloudy, with a high near 42.
Wednesday Night
Rain and snow likely, mainly before 1am. Cloudy, with a low around 31. Chance of precipitation is 60%.
Thursday
Mostly cloudy, with a high near 41.
Thursday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 25.
Friday
A chance of rain and snow. Mostly cloudy, with a high near 37. Chance of precipitation is 50%.
Basemap Options
Click map to change the forecast location
Loading map...
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:
4:39 am EST Feb 14, 2026
Forecast Valid:
8am EST Feb 14, 2026-6pm EST Feb 20, 2026
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation