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.

A Few Clouds

41°F

5°C

Humidity 45%
Wind Speed N 18 G 37 mph
Barometer 30.11 in (1019.6 mb)
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Wind Chill32°F (0°C)
Last update 24 Dec 2:56 pm EST
Extended Forecast for

3 Miles ESE East Haddam CT

  • Tonight

    Tonight: Increasing clouds, with a low around 25. North wind around 6 mph becoming calm in the evening.

    Low: 25 °F

    Increasing
    Clouds

  • Christmas Day

    Christmas Day: Partly sunny, with a high near 43. Wind chill values between 25 and 35. Southwest wind 5 to 11 mph becoming northwest in the afternoon.

    High: 43 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 16. Wind chill values between 5 and 10. Northwest wind 7 to 11 mph.

    Low: 16 °F

    Partly Cloudy

  • Friday

    Friday: Increasing clouds, with a high near 28. Wind chill values between 5 and 15. North wind 5 to 7 mph becoming calm in the afternoon.

    High: 28 °F

    Increasing
    Clouds

  • Friday Night

    Friday Night: Snow. Low around 20. Calm wind becoming northeast around 5 mph after midnight. Chance of precipitation is 80%. New snow accumulation of 2 to 4 inches possible.

    Low: 20 °F

    Snow

  • Saturday

    Saturday: A 40 percent chance of snow before 1pm. Cloudy, then gradually becoming mostly sunny, with a high near 31.

    High: 31 °F

    Chance Snow

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 19.

    Low: 19 °F

    Partly Cloudy

  • Sunday

    Sunday: A 30 percent chance of rain after 1pm. Mostly cloudy, with a high near 38.

    High: 38 °F

    Partly Sunny
    then Chance
    Rain

  • Sunday Night

    Sunday Night: Rain. Low around 29. Chance of precipitation is 80%.

    Low: 29 °F

    Rain

Detailed Forecast

Tonight
Increasing clouds, with a low around 25. North wind around 6 mph becoming calm in the evening.
Christmas Day
Partly sunny, with a high near 43. Wind chill values between 25 and 35. Southwest wind 5 to 11 mph becoming northwest in the afternoon.
Thursday Night
Partly cloudy, with a low around 16. Wind chill values between 5 and 10. Northwest wind 7 to 11 mph.
Friday
Increasing clouds, with a high near 28. Wind chill values between 5 and 15. North wind 5 to 7 mph becoming calm in the afternoon.
Friday Night
Snow. Low around 20. Calm wind becoming northeast around 5 mph after midnight. Chance of precipitation is 80%. New snow accumulation of 2 to 4 inches possible.
Saturday
A 40 percent chance of snow before 1pm. Cloudy, then gradually becoming mostly sunny, with a high near 31.
Saturday Night
Partly cloudy, with a low around 19.
Sunday
A 30 percent chance of rain after 1pm. Mostly cloudy, with a high near 38.
Sunday Night
Rain. Low around 29. Chance of precipitation is 80%.
Monday
Rain likely, mainly before 1pm. Mostly cloudy, with a high near 42. Chance of precipitation is 60%.
Monday Night
Partly cloudy, with a low around 22.
Tuesday
Partly sunny, with a high near 31.
Tuesday Night
Partly cloudy, with a low around 20.
Wednesday
Partly sunny, with a high near 35.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles ESE East Haddam CT
 41.43°N 72.42°W (Elev. 98 ft)
Last Update:
1:05 pm EST Dec 24, 2025
Forecast Valid:
3pm EST Dec 24, 2025-6pm EST Dec 31, 2025
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation