National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Groton / New London, Groton / New London Airport (KGON)

Lat: 41.33°NLon: 72.05°WElev: 10ft.

Fair

22°F

-6°C

Humidity 78%
Wind Speed Calm
Barometer 30.57 in (1035.0 mb)
Dewpoint 16°F (-9°C)
Visibility 10.00 mi
Last update 29 Mar 5:56 am EDT
Extended Forecast for

3 Miles ENE East Haddam CT

  • Today

    Today: Mostly sunny, with a high near 47. Light southwest wind increasing to 8 to 13 mph in the morning. Winds could gust as high as 23 mph.

    High: 47 °F

    Mostly Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 38. South wind around 10 mph, with gusts as high as 20 mph.

    Low: 38 °F

    Increasing
    Clouds

  • Monday

    Monday: A 20 percent chance of showers after 2pm. Partly sunny, with a high near 59. Southwest wind 10 to 15 mph, with gusts as high as 26 mph.

    High: 59 °F

    Partly Sunny
    then Slight
    Chance
    Showers

  • Monday Night

    Monday Night: A slight chance of showers before 8pm, then a chance of showers after 2am. Mostly cloudy, with a low around 49. Southwest wind 6 to 10 mph. Chance of precipitation is 30%.

    Low: 49 °F

    Mostly Cloudy
    then Chance
    Showers

  • Tuesday

    Tuesday: A 30 percent chance of showers before 2pm. Partly sunny, with a high near 66. Southwest wind 7 to 13 mph, with gusts as high as 23 mph.

    High: 66 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 54.

    Low: 54 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A 50 percent chance of showers after 2pm. Partly sunny, with a high near 71.

    High: 71 °F

    Mostly Sunny
    then Chance
    Showers

  • Wednesday Night

    Wednesday Night: Rain likely. Mostly cloudy, with a low around 43. Chance of precipitation is 70%.

    Low: 43 °F

    Rain Likely

  • Thursday

    Thursday: A 50 percent chance of rain. Mostly cloudy, with a high near 49.

    High: 49 °F

    Chance Rain

Detailed Forecast

Today
Mostly sunny, with a high near 47. Light southwest wind increasing to 8 to 13 mph in the morning. Winds could gust as high as 23 mph.
Tonight
Increasing clouds, with a low around 38. South wind around 10 mph, with gusts as high as 20 mph.
Monday
A 20 percent chance of showers after 2pm. Partly sunny, with a high near 59. Southwest wind 10 to 15 mph, with gusts as high as 26 mph.
Monday Night
A slight chance of showers before 8pm, then a chance of showers after 2am. Mostly cloudy, with a low around 49. Southwest wind 6 to 10 mph. Chance of precipitation is 30%.
Tuesday
A 30 percent chance of showers before 2pm. Partly sunny, with a high near 66. Southwest wind 7 to 13 mph, with gusts as high as 23 mph.
Tuesday Night
Mostly cloudy, with a low around 54.
Wednesday
A 50 percent chance of showers after 2pm. Partly sunny, with a high near 71.
Wednesday Night
Rain likely. Mostly cloudy, with a low around 43. Chance of precipitation is 70%.
Thursday
A 50 percent chance of rain. Mostly cloudy, with a high near 49.
Thursday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 37.
Friday
Rain likely. Cloudy, with a high near 48. Chance of precipitation is 60%.
Friday Night
Rain likely. Cloudy, with a low around 39. Chance of precipitation is 60%.
Saturday
A 40 percent chance of rain. Cloudy, 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:
2:25 am EDT Mar 29, 2026
Forecast Valid:
6am EDT Mar 29, 2026-6pm EDT Apr 4, 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