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

43°F

6°C

Humidity 53%
Wind Speed S 9 mph
Barometer 30.40 in (1029.4 mb)
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Wind Chill38°F (3°C)
Last update 25 Mar 10:56 am EDT
Extended Forecast for

3 Miles ENE East Haddam CT

  • Today

    Today: Partly sunny, with a high near 50. Southwest wind 3 to 8 mph.

    High: 50 °F

    Partly Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 38. South wind around 7 mph.

    Low: 38 °F

    Increasing
    Clouds

  • Thursday

    Thursday: Mostly cloudy, with a high near 59. Southwest wind 10 to 14 mph, with gusts as high as 26 mph.

    High: 59 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: Rain. Low around 47. South wind 9 to 11 mph, with gusts as high as 23 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 47 °F

    Rain

  • Friday

    Friday: Rain, mainly before 8am. Temperature falling to around 46 by 5pm. North wind 10 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 48 °F⇓

    Rain then
    Chance Rain

  • Friday Night

    Friday Night: Partly cloudy, with a low around 25.

    Low: 25 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 40.

    High: 40 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 27.

    Low: 27 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 46.

    High: 46 °F

    Sunny

Detailed Forecast

Today
Partly sunny, with a high near 50. Southwest wind 3 to 8 mph.
Tonight
Increasing clouds, with a low around 38. South wind around 7 mph.
Thursday
Mostly cloudy, with a high near 59. Southwest wind 10 to 14 mph, with gusts as high as 26 mph.
Thursday Night
Rain. Low around 47. South wind 9 to 11 mph, with gusts as high as 23 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday
Rain, mainly before 8am. Temperature falling to around 46 by 5pm. North wind 10 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday Night
Partly cloudy, with a low around 25.
Saturday
Sunny, with a high near 40.
Saturday Night
Partly cloudy, with a low around 27.
Sunday
Sunny, with a high near 46.
Sunday Night
Partly cloudy, with a low around 32.
Monday
Partly sunny, with a high near 51.
Monday Night
Mostly cloudy, with a low around 41.
Tuesday
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:
2:27 am EDT Mar 25, 2026
Forecast Valid:
11am EDT Mar 25, 2026-6pm EDT Mar 31, 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