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

35°F

2°C

Humidity 70%
Wind Speed SE 6 mph
Barometer 30.56 in (1034.7 mb)
Dewpoint 26°F (-3°C)
Visibility 10.00 mi
Wind Chill30°F (-1°C)
Last update 3 Mar 11:56 am EST
Extended Forecast for

2 Miles W Hadlyme CT

Winter Weather Advisory until March 3, 10:00pm
Click here for hazard details and duration
Winter Weather Advisory
  •  
    Winter Weather Advisory until March 3, 10:00pm

    NOW until 10:00pm Tue

    Winter Weather Advisory

  • This Afternoon

    High: 38 °F

    Rain/Snow

  • Tonight

    Tonight: Rain, mainly before 1am. Low around 33. Light and variable wind becoming southwest around 6 mph in the evening. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 33 °F

    Rain

  • Wednesday

    Wednesday: Mostly cloudy, then gradually becoming sunny, with a high near 50. Calm wind.

    High: 50 °F

    Decreasing
    Clouds

  • Wednesday Night

    Wednesday Night: A slight chance of rain between 1am and 4am, then a slight chance of freezing rain after 4am. Mostly cloudy, with a low around 30. Calm wind. Chance of precipitation is 20%.

    Low: 30 °F

    Partly Cloudy
    then Slight
    Chance
    Rain/Freezing
    Rain

  • Thursday

    Thursday: A slight chance of freezing rain before 7am, then a chance of rain. Cloudy, with a high near 45. Light and variable wind. Chance of precipitation is 50%.

    High: 45 °F

    Chance
    Rain/Freezing
    Rain then
    Chance Rain

  • Thursday Night

    Thursday Night: Rain likely. Cloudy, with a low around 35. Chance of precipitation is 70%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 35 °F

    Rain Likely

  • Friday

    Friday: A 50 percent chance of rain before 1pm. Mostly cloudy, with a high near 43.

    High: 43 °F

    Chance Rain

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 33.

    Low: 33 °F

    Mostly Cloudy

Detailed Forecast

This Afternoon
Rain and snow, becoming all rain after 3pm. High near 38. East wind around 6 mph. Chance of precipitation is 100%. Total daytime snow accumulation of less than a half inch possible.
Tonight
Rain, mainly before 1am. Low around 33. Light and variable wind becoming southwest around 6 mph in the evening. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday
Mostly cloudy, then gradually becoming sunny, with a high near 50. Calm wind.
Wednesday Night
A slight chance of rain between 1am and 4am, then a slight chance of freezing rain after 4am. Mostly cloudy, with a low around 30. Calm wind. Chance of precipitation is 20%.
Thursday
A slight chance of freezing rain before 7am, then a chance of rain. Cloudy, with a high near 45. Light and variable wind. Chance of precipitation is 50%.
Thursday Night
Rain likely. Cloudy, with a low around 35. Chance of precipitation is 70%. New precipitation amounts between a half and three quarters of an inch possible.
Friday
A 50 percent chance of rain before 1pm. Mostly cloudy, with a high near 43.
Friday Night
Mostly cloudy, with a low around 33.
Saturday
Mostly cloudy, with a high near 51.
Saturday Night
Rain likely, mainly before 1am. Mostly cloudy, with a low around 44. Chance of precipitation is 60%.
Sunday
Mostly cloudy, with a high near 58.
Sunday Night
Partly cloudy, with a low around 41.
Monday
Mostly sunny, with a high near 60.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles W Hadlyme CT
 41.4°N 72.36°W (Elev. 279 ft)
Last Update:
4:31 am EST Mar 3, 2026
Forecast Valid:
12pm EST Mar 3, 2026-6pm EDT Mar 9, 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