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.

Partly Cloudy

34°F

1°C

Humidity 70%
Wind Speed SW 12 mph
Barometer 30.01 in (1016.2 mb)
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Wind Chill25°F (-4°C)
Last update 14 Feb 1:56 pm EST
Extended Forecast for

3 Miles ENE East Haddam CT

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 39. Northwest wind around 7 mph.

    High: 39 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 21. Calm wind.

    Low: 21 °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 40 percent chance of snow, mainly after 1am. Cloudy, with a low around 25. Light and variable wind becoming east around 5 mph in the evening.

    Low: 25 °F

    Chance Snow

  • Washington's Birthday

    Washington's Birthday: Partly sunny, with a high near 38. Northeast wind around 6 mph.

    High: 38 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 26.

    Low: 26 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 41.

    High: 41 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 29.

    Low: 29 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A 50 percent chance of rain after 1pm. Mostly cloudy, with a high near 41.

    High: 41 °F

    Mostly Cloudy
    then Chance
    Rain

Detailed Forecast

This Afternoon
Partly sunny, with a high near 39. Northwest wind around 7 mph.
Tonight
Mostly clear, with a low around 21. Calm wind.
Sunday
Increasing clouds, with a high near 37. Wind chill values between 20 and 30. Light and variable wind.
Sunday Night
A 40 percent chance of snow, mainly after 1am. Cloudy, with a low around 25. Light and variable wind becoming east around 5 mph in the evening.
Washington's Birthday
Partly sunny, with a high near 38. Northeast wind around 6 mph.
Monday Night
Mostly cloudy, with a low around 26.
Tuesday
Partly sunny, with a high near 41.
Tuesday Night
Mostly cloudy, with a low around 29.
Wednesday
A 50 percent chance of rain after 1pm. Mostly cloudy, with a high near 41.
Wednesday Night
Rain likely, mainly before 1am. Mostly cloudy, with a low around 33. Chance of precipitation is 60%.
Thursday
A 30 percent chance of rain. Partly sunny, with a high near 43.
Thursday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 30.
Friday
A 50 percent chance of rain. Mostly cloudy, with a high near 41.
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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:
1:38 pm EST Feb 14, 2026
Forecast Valid:
2pm EST Feb 14, 2026-6pm EST Feb 20, 2026
 
Forecast Discussion
 
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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