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.

Overcast

36°F

2°C

Humidity 86%
Wind Speed E 15 mph
Barometer 30.00 in (1015.8 mb)
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Wind Chill27°F (-3°C)
Last update 21 Feb 3:56 pm EST
Extended Forecast for

3 Miles ENE East Haddam CT

Blizzard Warning February 22, 01:00pm until February 23, 06:00pm
Click here for hazard details and duration
Blizzard Warning

  • Tonight

    Tonight: A 40 percent chance of snow after 1am. Mostly cloudy, with a low around 26. Calm wind becoming east around 6 mph in the evening.

    Low: 26 °F

    Chance Snow

  • Sunday

    Sunday: A 50 percent chance of snow, mainly after 1pm. Cloudy, with a high near 36. Wind chill values between 20 and 25. East wind 6 to 10 mph, with gusts as high as 23 mph.

    High: 36 °F

    Slight Chance
    Snow then
    Chance Snow

  • Sunday Night

    Sunday Night: Snow. The snow could be heavy at times. Areas of blowing snow after 10pm. Steady temperature around 31. Wind chill values between 15 and 25. Windy, with a northeast wind 13 to 18 mph increasing to 21 to 26 mph after midnight. Winds could gust as high as 41 mph. Chance of precipitation is 100%. New snow accumulation of 6 to 10 inches possible.

    Low: 31 °F

    Heavy Snow
    and Areas
    Blowing Snow

  • Monday

    Monday: Snow. The snow could be heavy at times. Areas of blowing snow. Steady temperature around 28. Wind chill values between 10 and 15. Windy, with a north wind 24 to 30 mph, with gusts as high as 50 mph. Chance of precipitation is 100%. New snow accumulation of 5 to 9 inches possible.

    High: 28 °F

    Heavy Snow
    and Areas
    Blowing Snow

  • Monday Night

    Monday Night: A 50 percent chance of snow before 10pm. Areas of blowing snow before 1am. Mostly cloudy, with a low around 20. Blustery, with a northwest wind 16 to 21 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 34 mph.

    Low: 20 °F

    Chance Snow
    and Areas
    Blowing Snow
    then Areas
    Blowing Snow

  • Tuesday

    Tuesday: Mostly sunny, with a high near 29.

    High: 29 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Increasing clouds, with a low around 12.

    Low: 12 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: A chance of rain and snow after 1pm. Mostly cloudy, with a high near 37. Chance of precipitation is 50%.

    High: 37 °F

    Mostly Cloudy
    then Chance
    Rain/Snow

  • Wednesday Night

    Wednesday Night: A 30 percent chance of rain. Mostly cloudy, with a low around 28.

    Low: 28 °F

    Chance Rain

Detailed Forecast

Tonight
A 40 percent chance of snow after 1am. Mostly cloudy, with a low around 26. Calm wind becoming east around 6 mph in the evening.
Sunday
A 50 percent chance of snow, mainly after 1pm. Cloudy, with a high near 36. Wind chill values between 20 and 25. East wind 6 to 10 mph, with gusts as high as 23 mph.
Sunday Night
Snow. The snow could be heavy at times. Areas of blowing snow after 10pm. Steady temperature around 31. Wind chill values between 15 and 25. Windy, with a northeast wind 13 to 18 mph increasing to 21 to 26 mph after midnight. Winds could gust as high as 41 mph. Chance of precipitation is 100%. New snow accumulation of 6 to 10 inches possible.
Monday
Snow. The snow could be heavy at times. Areas of blowing snow. Steady temperature around 28. Wind chill values between 10 and 15. Windy, with a north wind 24 to 30 mph, with gusts as high as 50 mph. Chance of precipitation is 100%. New snow accumulation of 5 to 9 inches possible.
Monday Night
A 50 percent chance of snow before 10pm. Areas of blowing snow before 1am. Mostly cloudy, with a low around 20. Blustery, with a northwest wind 16 to 21 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 34 mph.
Tuesday
Mostly sunny, with a high near 29.
Tuesday Night
Increasing clouds, with a low around 12.
Wednesday
A chance of rain and snow after 1pm. Mostly cloudy, with a high near 37. Chance of precipitation is 50%.
Wednesday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 28.
Thursday
A 40 percent chance of rain. Partly sunny, with a high near 42.
Thursday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 28.
Friday
A 40 percent chance of rain. Partly sunny, with a high near 39.
Friday Night
Mostly clear, with a low around 23.
Saturday
Mostly sunny, with a high near 43.
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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:
3:48 pm EST Feb 21, 2026
Forecast Valid:
4pm EST Feb 21, 2026-6pm EST Feb 28, 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