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.

A Few Clouds and Breezy

49°F

9°C

Humidity 29%
Wind Speed NW 22 G 36 mph
Barometer 29.91 in (1012.9 mb)
Dewpoint 18°F (-8°C)
Visibility 10.00 mi
Wind Chill42°F (6°C)
Last update 14 Mar 2:56 pm EDT
Extended Forecast for

3 Miles ENE East Haddam CT

  • Tonight

    Tonight: Mostly clear, with a low around 29. Northwest wind 6 to 15 mph, with gusts as high as 30 mph.

    Low: 29 °F

    Mostly Clear

  • Sunday

    Sunday: Partly sunny, with a high near 44. Wind chill values between 25 and 35. Light and variable wind becoming southeast 5 to 10 mph in the afternoon.

    High: 44 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Showers after 2am. Temperature falling to near 36 by 9pm, then rising to around 46 during the remainder of the night. Southeast wind 8 to 13 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 36 °F⇑

    Mostly Cloudy
    then Showers

  • Monday

    Monday: Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. High near 58. South wind around 18 mph, with gusts as high as 38 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.

    High: 58 °F

    Heavy Rain

  • Monday Night

    Monday Night: Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Low around 36. Breezy, with a south wind 21 to 24 mph, with gusts as high as 45 mph. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.

    Low: 36 °F

    Heavy Rain
    and Breezy

  • Tuesday

    Tuesday: Showers likely before 8am. Mostly cloudy, then gradually becoming sunny, with a temperature falling to around 36 by 9am. Chance of precipitation is 60%.

    High: 42 °F⇓

    Showers
    Likely then
    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 22.

    Low: 22 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 37.

    High: 37 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 27.

    Low: 27 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 29. Northwest wind 6 to 15 mph, with gusts as high as 30 mph.
Sunday
Partly sunny, with a high near 44. Wind chill values between 25 and 35. Light and variable wind becoming southeast 5 to 10 mph in the afternoon.
Sunday Night
Showers after 2am. Temperature falling to near 36 by 9pm, then rising to around 46 during the remainder of the night. Southeast wind 8 to 13 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Monday
Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. High near 58. South wind around 18 mph, with gusts as high as 38 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.
Monday Night
Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Low around 36. Breezy, with a south wind 21 to 24 mph, with gusts as high as 45 mph. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.
Tuesday
Showers likely before 8am. Mostly cloudy, then gradually becoming sunny, with a temperature falling to around 36 by 9am. Chance of precipitation is 60%.
Tuesday Night
Partly cloudy, with a low around 22.
Wednesday
Mostly sunny, with a high near 37.
Wednesday Night
Mostly cloudy, with a low around 27.
Thursday
Partly sunny, with a high near 42.
Thursday Night
Mostly cloudy, with a low around 30.
Friday
Mostly sunny, with a high near 47.
Friday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 32.
Saturday
A 30 percent chance of rain. Mostly cloudy, with a high near 46.
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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:
2:22 pm EDT Mar 14, 2026
Forecast Valid:
3pm EDT Mar 14, 2026-6pm EDT Mar 21, 2026
 
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Additional Resources

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High Temperature

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Chance of Precipitation