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

51°F

11°C

Humidity 64%
Wind Speed S 8 mph
Barometer 30.06 in (1017.8 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Wind Chill48°F (9°C)
Last update 9 Mar 11:56 am EDT
Extended Forecast for

3 Miles ENE East Haddam CT

  • This Afternoon

    This Afternoon: Sunny, with a high near 67. Southwest wind 7 to 9 mph.

    High: 67 °F

    Sunny

  • Tonight

    Tonight: Patchy fog after 2am. Otherwise, partly cloudy, with a low around 37. South wind 3 to 5 mph.

    Low: 37 °F

    Mostly Clear
    then Patchy
    Fog

  • Tuesday

    Tuesday: Patchy fog before 8am. Otherwise, mostly sunny, with a high near 65. Calm wind becoming southwest 5 to 7 mph in the afternoon.

    High: 65 °F

    Patchy Fog
    then Sunny

  • Tuesday Night

    Tuesday Night: Patchy fog. Otherwise, partly cloudy, with a low around 42. South wind around 5 mph becoming calm in the evening.

    Low: 42 °F

    Patchy Fog

  • Wednesday

    Wednesday: A 20 percent chance of showers after 2pm. Mostly cloudy, with a high near 57. South wind 5 to 10 mph, with gusts as high as 21 mph.

    High: 57 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Wednesday Night

    Wednesday Night: Rain likely, mainly before 2am. Mostly cloudy, with a low around 50. Chance of precipitation is 60%.

    Low: 50 °F

    Rain Likely

  • Thursday

    Thursday: Rain likely before 2pm, then a chance of rain and snow. Mostly cloudy, with a high near 55. Chance of precipitation is 60%.

    High: 55 °F

    Rain Likely
    then
    Rain/Snow
    Likely

  • Thursday Night

    Thursday Night: A chance of rain and snow before 8pm. Partly cloudy, with a low around 28. Chance of precipitation is 30%.

    Low: 28 °F

    Chance
    Rain/Snow
    then Mostly
    Clear

  • Friday

    Friday: Partly sunny, with a high near 42.

    High: 42 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 67. Southwest wind 7 to 9 mph.
Tonight
Patchy fog after 2am. Otherwise, partly cloudy, with a low around 37. South wind 3 to 5 mph.
Tuesday
Patchy fog before 8am. Otherwise, mostly sunny, with a high near 65. Calm wind becoming southwest 5 to 7 mph in the afternoon.
Tuesday Night
Patchy fog. Otherwise, partly cloudy, with a low around 42. South wind around 5 mph becoming calm in the evening.
Wednesday
A 20 percent chance of showers after 2pm. Mostly cloudy, with a high near 57. South wind 5 to 10 mph, with gusts as high as 21 mph.
Wednesday Night
Rain likely, mainly before 2am. Mostly cloudy, with a low around 50. Chance of precipitation is 60%.
Thursday
Rain likely before 2pm, then a chance of rain and snow. Mostly cloudy, with a high near 55. Chance of precipitation is 60%.
Thursday Night
A chance of rain and snow before 8pm. Partly cloudy, with a low around 28. Chance of precipitation is 30%.
Friday
Partly sunny, with a high near 42.
Friday Night
A chance of rain and snow after 8pm. Mostly cloudy, with a low around 34. Chance of precipitation is 50%.
Saturday
Partly sunny, with a high near 46.
Saturday Night
Mostly cloudy, with a low around 29.
Sunday
A chance of rain and snow. Mostly cloudy, with a high near 47. Chance of precipitation is 30%.
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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:
11:18 am EDT Mar 9, 2026
Forecast Valid:
12pm EDT Mar 9, 2026-6pm EDT Mar 15, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation