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

40°F

4°C

Humidity 53%
Wind Speed S 6 mph
Barometer 30.03 in (1016.8 mb)
Dewpoint 24°F (-4°C)
Visibility 10.00 mi
Wind Chill36°F (2°C)
Last update 7 Dec 3:56 pm EST
Extended Forecast for

2 Miles W Hadlyme CT

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming clear, with a low around 21. Southwest wind 5 to 10 mph becoming northwest after midnight. Winds could gust as high as 25 mph.

    Low: 21 °F

    Decreasing
    Clouds

  • Monday

    Monday: Mostly sunny, with a steady temperature around 24. Wind chill values between 10 and 15. North wind 8 to 14 mph, with gusts as high as 30 mph.

    High: 24 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 13. North wind around 6 mph becoming calm after midnight.

    Low: 13 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Increasing clouds, with a high near 38. Wind chill values between 15 and 25. Calm wind becoming south 5 to 8 mph in the afternoon.

    High: 38 °F

    Increasing
    Clouds

  • Tuesday Night

    Tuesday Night: A slight chance of rain and snow before 1am, then a slight chance of snow. Mostly cloudy, with a low around 29. Southwest wind 9 to 11 mph, with gusts as high as 23 mph. Chance of precipitation is 20%.

    Low: 29 °F

    Slight Chance
    Rain/Snow

  • Wednesday

    Wednesday: A 50 percent chance of rain. Mostly cloudy, with a high near 47.

    High: 47 °F

    Chance Rain

  • Wednesday Night

    Wednesday Night: A 30 percent chance of rain before 1am. Cloudy, then gradually becoming partly cloudy, with a low around 33.

    Low: 33 °F

    Chance Rain

  • Thursday

    Thursday: Mostly sunny, with a high near 41.

    High: 41 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 25.

    Low: 25 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, then gradually becoming clear, with a low around 21. Southwest wind 5 to 10 mph becoming northwest after midnight. Winds could gust as high as 25 mph.
Monday
Mostly sunny, with a steady temperature around 24. Wind chill values between 10 and 15. North wind 8 to 14 mph, with gusts as high as 30 mph.
Monday Night
Partly cloudy, with a low around 13. North wind around 6 mph becoming calm after midnight.
Tuesday
Increasing clouds, with a high near 38. Wind chill values between 15 and 25. Calm wind becoming south 5 to 8 mph in the afternoon.
Tuesday Night
A slight chance of rain and snow before 1am, then a slight chance of snow. Mostly cloudy, with a low around 29. Southwest wind 9 to 11 mph, with gusts as high as 23 mph. Chance of precipitation is 20%.
Wednesday
A 50 percent chance of rain. Mostly cloudy, with a high near 47.
Wednesday Night
A 30 percent chance of rain before 1am. Cloudy, then gradually becoming partly cloudy, with a low around 33.
Thursday
Mostly sunny, with a high near 41.
Thursday Night
Mostly cloudy, with a low around 25.
Friday
A 30 percent chance of snow. Partly sunny, with a high near 36.
Friday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 21.
Saturday
A 30 percent chance of snow. Partly sunny, with a high near 33.
Saturday Night
Partly cloudy, with a low around 18.
Sunday
Mostly sunny, with a high near 31.
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:
12:47 pm EST Dec 7, 2025
Forecast Valid:
4pm EST Dec 7, 2025-6pm EST Dec 14, 2025
 
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