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.

Fog/Mist

41°F

5°C

Humidity 100%
Wind Speed S 14 mph
Barometer 29.68 in (1004.9 mb)
Dewpoint 41°F (5°C)
Visibility 1.25 mi
Wind Chill33°F (1°C)
Last update 29 Dec 2:56 am EST
Extended Forecast for

2 Miles W Hadlyme CT

  • Overnight

    Overnight: A 50 percent chance of rain. Areas of fog. Otherwise, cloudy, with a steady temperature around 41. South wind around 10 mph, with gusts as high as 20 mph.

    Low: 41 °F

    Chance Rain
    and Areas Fog

  • Monday

    Monday: Rain, mainly between 10am and 4pm. Areas of fog before 1pm. High near 50. South wind 10 to 17 mph, with gusts as high as 32 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    High: 50 °F

    Rain and
    Areas Fog

  • Monday Night

    Monday Night: Partly cloudy, with a low around 23. Wind chill values between 10 and 15. Breezy, with a west wind 18 to 20 mph, with gusts as high as 39 mph.

    Low: 23 °F

    Partly Cloudy
    and Breezy

  • Tuesday

    Tuesday: Partly sunny, with a high near 29. Wind chill values between 10 and 15. Breezy, with a west wind 21 to 23 mph, with gusts as high as 40 mph.

    High: 29 °F

    Partly Sunny
    and Breezy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 23. West wind 10 to 17 mph, with gusts as high as 30 mph.

    Low: 23 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 33.

    High: 33 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: A 30 percent chance of snow. Mostly cloudy, with a low around 19.

    Low: 19 °F

    Chance Snow

  • New Year's Day

    New Year's Day: Mostly sunny, with a high near 27.

    High: 27 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 14.

    Low: 14 °F

    Partly Cloudy

Detailed Forecast

Overnight
A 50 percent chance of rain. Areas of fog. Otherwise, cloudy, with a steady temperature around 41. South wind around 10 mph, with gusts as high as 20 mph.
Monday
Rain, mainly between 10am and 4pm. Areas of fog before 1pm. High near 50. South wind 10 to 17 mph, with gusts as high as 32 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Monday Night
Partly cloudy, with a low around 23. Wind chill values between 10 and 15. Breezy, with a west wind 18 to 20 mph, with gusts as high as 39 mph.
Tuesday
Partly sunny, with a high near 29. Wind chill values between 10 and 15. Breezy, with a west wind 21 to 23 mph, with gusts as high as 40 mph.
Tuesday Night
Mostly cloudy, with a low around 23. West wind 10 to 17 mph, with gusts as high as 30 mph.
Wednesday
Mostly cloudy, with a high near 33.
Wednesday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 19.
New Year's Day
Mostly sunny, with a high near 27.
Thursday Night
Partly cloudy, with a low around 14.
Friday
Sunny, with a high near 26.
Friday Night
Mostly clear, with a low around 16.
Saturday
Mostly sunny, with a high near 31.
Saturday Night
Mostly cloudy, with a low around 17.
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:
1:06 am EST Dec 29, 2025
Forecast Valid:
4am EST Dec 29, 2025-6pm EST Jan 4, 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