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

27°F

-3°C

Humidity 96%
Wind Speed Calm
Barometer 29.99 in (1015.6 mb)
Dewpoint 26°F (-3°C)
Visibility 9.00 mi
Last update 1 Mar 2:56 am EST
Extended Forecast for

3 Miles ENE East Haddam CT

  • Overnight

    Overnight: Areas of fog before 4am. Otherwise, mostly cloudy, with a low around 28. North wind around 7 mph.

    Low: 28 °F

    Areas Fog

  • Sunday

    Sunday: Snow likely, mainly before 1pm. Cloudy, then gradual clearing during the afternoon, with a high near 34. Wind chill values between 20 and 25. North wind around 8 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

    High: 34 °F

    Snow Likely

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 12. Wind chill values between 5 and 10. North wind 6 to 8 mph.

    Low: 12 °F

    Mostly Clear

  • Monday

    Monday: Increasing clouds, with a high near 28. Wind chill values between 5 and 15. North wind around 6 mph becoming light and variable in the afternoon.

    High: 28 °F

    Increasing
    Clouds

  • Monday Night

    Monday Night: Mostly clear, with a low around 16. Light south wind.

    Low: 16 °F

    Mostly Clear

  • Tuesday

    Tuesday: A chance of snow before 10am, then a chance of snow, freezing rain, and sleet between 10am and 1pm, then rain after 1pm. High near 39. Chance of precipitation is 80%. Little or no ice accumulation expected. New snow and sleet accumulation of less than a half inch possible.

    High: 39 °F

    Chance Wintry
    Mix then
    Wintry Mix

  • Tuesday Night

    Tuesday Night: Rain. Low around 35. Chance of precipitation is 100%.

    Low: 35 °F

    Rain

  • Wednesday

    Wednesday: Partly sunny, with a high near 47.

    High: 47 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: A 40 percent chance of rain. Mostly cloudy, with a low around 36.

    Low: 36 °F

    Chance Rain

Detailed Forecast

Overnight
Areas of fog before 4am. Otherwise, mostly cloudy, with a low around 28. North wind around 7 mph.
Sunday
Snow likely, mainly before 1pm. Cloudy, then gradual clearing during the afternoon, with a high near 34. Wind chill values between 20 and 25. North wind around 8 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
Sunday Night
Mostly clear, with a low around 12. Wind chill values between 5 and 10. North wind 6 to 8 mph.
Monday
Increasing clouds, with a high near 28. Wind chill values between 5 and 15. North wind around 6 mph becoming light and variable in the afternoon.
Monday Night
Mostly clear, with a low around 16. Light south wind.
Tuesday
A chance of snow before 10am, then a chance of snow, freezing rain, and sleet between 10am and 1pm, then rain after 1pm. High near 39. Chance of precipitation is 80%. Little or no ice accumulation expected. New snow and sleet accumulation of less than a half inch possible.
Tuesday Night
Rain. Low around 35. Chance of precipitation is 100%.
Wednesday
Partly sunny, with a high near 47.
Wednesday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 36.
Thursday
A 40 percent chance of rain. Cloudy, with a high near 53.
Thursday Night
Rain likely. Cloudy, with a low around 38. Chance of precipitation is 60%.
Friday
A 50 percent chance of rain. Cloudy, with a high near 44.
Friday Night
A 40 percent chance of rain. Cloudy, with a low around 36.
Saturday
Mostly cloudy, with a high near 53.
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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:
1:58 am EST Mar 1, 2026
Forecast Valid:
3am EST Mar 1, 2026-6pm EST Mar 7, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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