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.

Overcast

43°F

6°C

Humidity 65%
Wind Speed NW 15 G 31 mph
Barometer 29.67 in (1004.6 mb)
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Wind Chill36°F (2°C)
Last update 12 Mar 11:56 am EDT
Extended Forecast for

3 Miles ENE East Haddam CT

  • This Afternoon

    This Afternoon: Rain likely before 3pm, then snow, possibly mixed with rain. Temperature falling to around 34 by 5pm. Northwest wind 13 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. Total daytime snow accumulation of less than a half inch possible.

    High: 55 °F⇓

    Rain/Snow

  • Tonight

    Tonight: Snow, mainly before 8pm. Low around 27. Northwest wind 8 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    Low: 27 °F

    Snow then
    Mostly Clear

  • Friday

    Friday: Increasing clouds, with a high near 41. Wind chill values between 20 and 30. West wind 5 to 11 mph becoming south in the afternoon. Winds could gust as high as 23 mph.

    High: 41 °F

    Increasing
    Clouds

  • Friday Night

    Friday Night: A 20 percent chance of rain before 2am. Mostly cloudy, then gradually becoming mostly clear, with a steady temperature around 39. South wind 11 to 14 mph, with gusts as high as 25 mph.

    Low: 39 °F

    Slight Chance
    Rain

  • Saturday

    Saturday: Mostly sunny, with a high near 48. West wind 13 to 15 mph, with gusts as high as 29 mph.

    High: 48 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Increasing clouds, with a low around 29.

    Low: 29 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Mostly cloudy, with a high near 45.

    High: 45 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Rain, mainly after 2am. Low around 38. Chance of precipitation is 80%.

    Low: 38 °F

    Chance Rain
    then Rain

  • Monday

    Monday: Rain. High near 57. Chance of precipitation is 90%.

    High: 57 °F

    Rain

Detailed Forecast

This Afternoon
Rain likely before 3pm, then snow, possibly mixed with rain. Temperature falling to around 34 by 5pm. Northwest wind 13 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. Total daytime snow accumulation of less than a half inch possible.
Tonight
Snow, mainly before 8pm. Low around 27. Northwest wind 8 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Friday
Increasing clouds, with a high near 41. Wind chill values between 20 and 30. West wind 5 to 11 mph becoming south in the afternoon. Winds could gust as high as 23 mph.
Friday Night
A 20 percent chance of rain before 2am. Mostly cloudy, then gradually becoming mostly clear, with a steady temperature around 39. South wind 11 to 14 mph, with gusts as high as 25 mph.
Saturday
Mostly sunny, with a high near 48. West wind 13 to 15 mph, with gusts as high as 29 mph.
Saturday Night
Increasing clouds, with a low around 29.
Sunday
Mostly cloudy, with a high near 45.
Sunday Night
Rain, mainly after 2am. Low around 38. Chance of precipitation is 80%.
Monday
Rain. High near 57. Chance of precipitation is 90%.
Monday Night
Rain likely, mainly before 2am. Cloudy, with a low around 33. Chance of precipitation is 70%.
Tuesday
A 30 percent chance of rain. Mostly sunny, with a high near 41.
Tuesday Night
Mostly clear, with a low around 22.
Wednesday
Mostly sunny, with a high near 37.
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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:
11:29 am EDT Mar 12, 2026
Forecast Valid:
12pm EDT Mar 12, 2026-6pm EDT Mar 18, 2026
 
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Additional Resources

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Chance of Precipitation