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

64°F

18°C

Humidity 93%
Wind Speed S 12 mph
Barometer 29.89 in (1012.0 mb)
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Last update 13 Oct 8:56 pm EDT
Extended Forecast for

3 Miles ENE East Haddam CT

  • Tonight

    Tonight: Partly cloudy, with a low around 61. Southwest wind 7 to 9 mph, with gusts as high as 20 mph.

    Low: 61 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 78. West wind around 8 mph, with gusts as high as 21 mph.

    High: 78 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 50. Northwest wind 7 to 10 mph, with gusts as high as 20 mph.

    Low: 50 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 63. North wind 5 to 7 mph becoming calm in the afternoon.

    High: 63 °F

    Sunny

  • Thursday Night

    Thursday Night: Showers likely after 2am. Increasing clouds, with a low around 49. Calm wind becoming southeast around 6 mph after midnight. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 49 °F

    Partly Cloudy
    then Showers
    Likely

  • Friday

    Friday: Showers. High near 66. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    High: 66 °F

    Showers

  • Friday Night

    Friday Night: A 30 percent chance of showers before 2am. Mostly cloudy, with a low around 40. Breezy.

    Low: 40 °F

    Chance
    Showers and
    Breezy

  • Saturday

    Saturday: Sunny, with a high near 48. Breezy.

    High: 48 °F

    Sunny and
    Breezy

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 32.

    Low: 32 °F

    Mostly Clear

Detailed Forecast

Tonight
Partly cloudy, with a low around 61. Southwest wind 7 to 9 mph, with gusts as high as 20 mph.
Wednesday
Mostly sunny, with a high near 78. West wind around 8 mph, with gusts as high as 21 mph.
Wednesday Night
Partly cloudy, with a low around 50. Northwest wind 7 to 10 mph, with gusts as high as 20 mph.
Thursday
Sunny, with a high near 63. North wind 5 to 7 mph becoming calm in the afternoon.
Thursday Night
Showers likely after 2am. Increasing clouds, with a low around 49. Calm wind becoming southeast around 6 mph after midnight. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Friday
Showers. High near 66. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Friday Night
A 30 percent chance of showers before 2am. Mostly cloudy, with a low around 40. Breezy.
Saturday
Sunny, with a high near 48. Breezy.
Saturday Night
Mostly clear, with a low around 32.
Sunday
Sunny, with a high near 54.
Sunday Night
Mostly clear, with a low around 39.
Monday
Mostly sunny, with a high near 60.
Monday Night
Partly cloudy, with a low around 46.
Tuesday
Mostly sunny, with a high near 64.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles ENE East Haddam CT
 41.47°N 72.41°W (Elev. 554 ft)
Last Update:
9:37 pm EDT Oct 13, 2026
Forecast Valid:
9pm EDT Oct 13, 2026-6pm EDT Oct 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