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

39°F

4°C

Humidity 21%
Wind Speed N 15 G 25 mph
Barometer 30.37 in (1028.4 mb)
Dewpoint 2°F (-17°C)
Visibility 10.00 mi
Wind Chill31°F (-1°C)
Last update 28 Mar 1:56 pm EDT
Extended Forecast for

3 Miles ENE East Haddam CT

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 40. Northwest wind around 13 mph, with gusts as high as 25 mph.

    High: 40 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 25. Northwest wind 3 to 7 mph. Winds could gust as high as 24 mph.

    Low: 25 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 44. Light southwest wind increasing to 9 to 14 mph in the morning. Winds could gust as high as 24 mph.

    High: 44 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 37. Southwest wind around 10 mph, with gusts as high as 22 mph.

    Low: 37 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 59. Southwest wind 8 to 13 mph, with gusts as high as 24 mph.

    High: 59 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: A 30 percent chance of rain after 2am. Mostly cloudy, with a low around 45.

    Low: 45 °F

    Mostly Cloudy
    then Chance
    Rain

  • Tuesday

    Tuesday: A 40 percent chance of rain before 2pm. Mostly cloudy, with a high near 64.

    High: 64 °F

    Chance Rain

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 53.

    Low: 53 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Rain likely after 2pm. Partly sunny, with a high near 68. Chance of precipitation is 60%.

    High: 68 °F

    Mostly Sunny
    then Rain
    Likely

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 40. Northwest wind around 13 mph, with gusts as high as 25 mph.
Tonight
Mostly clear, with a low around 25. Northwest wind 3 to 7 mph. Winds could gust as high as 24 mph.
Sunday
Mostly sunny, with a high near 44. Light southwest wind increasing to 9 to 14 mph in the morning. Winds could gust as high as 24 mph.
Sunday Night
Mostly cloudy, with a low around 37. Southwest wind around 10 mph, with gusts as high as 22 mph.
Monday
Mostly cloudy, with a high near 59. Southwest wind 8 to 13 mph, with gusts as high as 24 mph.
Monday Night
A 30 percent chance of rain after 2am. Mostly cloudy, with a low around 45.
Tuesday
A 40 percent chance of rain before 2pm. Mostly cloudy, with a high near 64.
Tuesday Night
Partly cloudy, with a low around 53.
Wednesday
Rain likely after 2pm. Partly sunny, with a high near 68. Chance of precipitation is 60%.
Wednesday Night
Rain likely, mainly before 2am. Mostly cloudy, with a low around 40. Chance of precipitation is 70%.
Thursday
A 40 percent chance of rain. Mostly cloudy, with a high near 49.
Thursday Night
A chance of rain and snow. Mostly cloudy, with a low around 33. Chance of precipitation is 40%.
Friday
A chance of rain and snow. Cloudy, with a high near 43. Chance of precipitation is 50%.
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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:
4:58 am EDT Mar 28, 2026
Forecast Valid:
2pm EDT Mar 28, 2026-6pm EDT Apr 3, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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