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

38°F

3°C

Humidity 83%
Wind Speed N 9 mph
Barometer 29.90 in (1012.6 mb)
Dewpoint 33°F (1°C)
Visibility 10.00 mi
Wind Chill32°F (0°C)
Last update 23 Mar 4:56 pm EDT
Extended Forecast for

3 Miles ENE East Haddam CT

  • This Afternoon

    This Afternoon: A 20 percent chance of showers. Cloudy, with a steady temperature around 35. North wind around 8 mph.

    High: 35 °F

    Slight Chance
    Showers

  • Tonight

    Tonight: A slight chance of rain showers, mixing with snow after 9pm, then gradually ending. Mostly cloudy, then gradually becoming mostly clear, with a low around 29. Wind chill values between 20 and 25. Northwest wind 6 to 9 mph. Chance of precipitation is 20%.

    Low: 29 °F

    Slight Chance
    Rain/Snow
    then Mostly
    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 45. Wind chill values between 20 and 30 early. North wind 3 to 8 mph.

    High: 45 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 32. Southwest wind 5 to 7 mph.

    Low: 32 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 49. Light west wind becoming southwest 5 to 10 mph in the morning. Winds could gust as high as 22 mph.

    High: 49 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Cloudy, with a low around 39.

    Low: 39 °F

    Cloudy

  • Thursday

    Thursday: Mostly cloudy, with a high near 57.

    High: 57 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: Rain likely, mainly after 2am. Mostly cloudy, with a low around 45. Chance of precipitation is 70%.

    Low: 45 °F

    Chance Rain
    then Rain
    Likely

  • Friday

    Friday: Rain likely, mainly before 8am. Partly sunny, with a high near 52. Chance of precipitation is 60%.

    High: 52 °F

    Rain Likely
    then Chance
    Rain

Detailed Forecast

This Afternoon
A 20 percent chance of showers. Cloudy, with a steady temperature around 35. North wind around 8 mph.
Tonight
A slight chance of rain showers, mixing with snow after 9pm, then gradually ending. Mostly cloudy, then gradually becoming mostly clear, with a low around 29. Wind chill values between 20 and 25. Northwest wind 6 to 9 mph. Chance of precipitation is 20%.
Tuesday
Sunny, with a high near 45. Wind chill values between 20 and 30 early. North wind 3 to 8 mph.
Tuesday Night
Partly cloudy, with a low around 32. Southwest wind 5 to 7 mph.
Wednesday
Partly sunny, with a high near 49. Light west wind becoming southwest 5 to 10 mph in the morning. Winds could gust as high as 22 mph.
Wednesday Night
Cloudy, with a low around 39.
Thursday
Mostly cloudy, with a high near 57.
Thursday Night
Rain likely, mainly after 2am. Mostly cloudy, with a low around 45. Chance of precipitation is 70%.
Friday
Rain likely, mainly before 8am. Partly sunny, with a high near 52. Chance of precipitation is 60%.
Friday Night
Partly cloudy, with a low around 24.
Saturday
Sunny, with a high near 40.
Saturday Night
Mostly clear, with a low around 27.
Sunday
Sunny, with a high near 46.
Sunday Night
Partly cloudy, with a low around 32.
Monday
Mostly sunny, with a high near 51.
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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:
5:10 pm EDT Mar 23, 2026
Forecast Valid:
5pm EDT Mar 23, 2026-6pm EDT Mar 30, 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