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.

Fair

24°F

-4°C

Humidity 20%
Wind Speed Calm
Barometer 30.67 in (1038.6 mb)
Dewpoint -11°F (-24°C)
Visibility 10.00 mi
Last update 2 Mar 10:56 am EST
Extended Forecast for

3 Miles ENE East Haddam CT

  • Today

    Today: Sunny, with a high near 28. Wind chill values between 15 and 20. North wind around 5 mph becoming light and variable in the afternoon.

    High: 28 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 18. Calm wind.

    Low: 18 °F

    Mostly Clear

  • Tuesday

    Tuesday: A chance of snow before 10am, then rain and snow between 10am and 4pm, then rain after 4pm. High near 39. Wind chill values between 20 and 30. South wind 3 to 6 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

    High: 39 °F

    Chance
    Rain/Snow
    then
    Rain/Snow

  • Tuesday Night

    Tuesday Night: Rain. Low around 34. Southeast wind around 6 mph becoming west after midnight. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 34 °F

    Rain

  • Wednesday

    Wednesday: A 20 percent chance of rain after 1pm. Partly sunny, with a high near 49. West wind around 6 mph becoming light and variable in the afternoon.

    High: 49 °F

    Partly Sunny
    then Slight
    Chance Rain

  • Wednesday Night

    Wednesday Night: A 40 percent chance of rain. Mostly cloudy, with a low around 36.

    Low: 36 °F

    Chance Rain

  • Thursday

    Thursday: A 40 percent chance of rain. Mostly cloudy, with a high near 52.

    High: 52 °F

    Chance Rain

  • Thursday Night

    Thursday Night: A 50 percent chance of rain. Mostly cloudy, with a low around 37.

    Low: 37 °F

    Chance Rain

  • Friday

    Friday: A 50 percent chance of rain. Cloudy, with a high near 44.

    High: 44 °F

    Chance Rain

Detailed Forecast

Today
Sunny, with a high near 28. Wind chill values between 15 and 20. North wind around 5 mph becoming light and variable in the afternoon.
Tonight
Mostly clear, with a low around 18. Calm wind.
Tuesday
A chance of snow before 10am, then rain and snow between 10am and 4pm, then rain after 4pm. High near 39. Wind chill values between 20 and 30. South wind 3 to 6 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.
Tuesday Night
Rain. Low around 34. Southeast wind around 6 mph becoming west after midnight. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday
A 20 percent chance of rain after 1pm. Partly sunny, with a high near 49. West wind around 6 mph becoming light and variable in the afternoon.
Wednesday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 36.
Thursday
A 40 percent chance of rain. Mostly cloudy, with a high near 52.
Thursday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 37.
Friday
A 50 percent chance of rain. Cloudy, with a high near 44.
Friday Night
A 30 percent chance of rain before 1am. Cloudy, with a low around 36.
Saturday
Cloudy, with a high near 53.
Saturday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 42.
Sunday
Partly sunny, with a high near 55.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles ENE East Haddam CT
 41.47°N 72.41°W (Elev. 554 ft)
Last Update:
2:30 am EST Mar 2, 2026
Forecast Valid:
11am EST Mar 2, 2026-6pm EDT Mar 8, 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