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.

Fair

39°F

4°C

Humidity 41%
Wind Speed N 5 mph
Barometer 30.09 in (1018.9 mb)
Dewpoint 17°F (-8°C)
Visibility 10.00 mi
Wind Chill35°F (2°C)
Last update 15 Feb 12:56 pm EST
Extended Forecast for

2 Miles W Hadlyme CT

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 38. Light and variable wind.

    High: 38 °F

    Partly Sunny

  • Tonight

    Tonight: A 50 percent chance of snow, mainly after 1am. Cloudy, with a low around 25. Northeast wind around 5 mph.

    Low: 25 °F

    Slight Chance
    Snow then
    Chance Snow

  • Washington's Birthday

    Washington's Birthday: Cloudy, then gradually becoming mostly sunny, with a high near 39. Wind chill values between 20 and 30. Northeast wind 3 to 6 mph.

    High: 39 °F

    Decreasing
    Clouds

  • Monday Night

    Monday Night: A 20 percent chance of snow showers after 1am. Mostly cloudy, with a low around 26. Calm wind.

    Low: 26 °F

    Partly Cloudy
    then Slight
    Chance Snow
    Showers

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 42. Calm wind becoming southwest around 5 mph.

    High: 42 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 30.

    Low: 30 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Rain likely after 1pm. Mostly cloudy, with a high near 41. Chance of precipitation is 60%.

    High: 41 °F

    Mostly Cloudy
    then Rain
    Likely

  • Wednesday Night

    Wednesday Night: Rain before 1am, then a chance of rain and snow. Low around 31. Chance of precipitation is 80%.

    Low: 31 °F

    Rain then
    Rain/Snow

  • Thursday

    Thursday: Mostly cloudy, with a high near 40.

    High: 40 °F

    Mostly Cloudy

Detailed Forecast

This Afternoon
Partly sunny, with a high near 38. Light and variable wind.
Tonight
A 50 percent chance of snow, mainly after 1am. Cloudy, with a low around 25. Northeast wind around 5 mph.
Washington's Birthday
Cloudy, then gradually becoming mostly sunny, with a high near 39. Wind chill values between 20 and 30. Northeast wind 3 to 6 mph.
Monday Night
A 20 percent chance of snow showers after 1am. Mostly cloudy, with a low around 26. Calm wind.
Tuesday
Mostly cloudy, with a high near 42. Calm wind becoming southwest around 5 mph.
Tuesday Night
Partly cloudy, with a low around 30.
Wednesday
Rain likely after 1pm. Mostly cloudy, with a high near 41. Chance of precipitation is 60%.
Wednesday Night
Rain before 1am, then a chance of rain and snow. Low around 31. Chance of precipitation is 80%.
Thursday
Mostly cloudy, with a high near 40.
Thursday Night
Mostly cloudy, with a low around 29.
Friday
Rain likely. Mostly cloudy, with a high near 42. Chance of precipitation is 60%.
Friday Night
A chance of rain and snow. Mostly cloudy, with a low around 30. Chance of precipitation is 50%.
Saturday
A chance of rain and snow. Mostly cloudy, with a high near 40. Chance of precipitation is 40%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles W Hadlyme CT
 41.4°N 72.36°W (Elev. 279 ft)
Last Update:
1:46 am EST Feb 15, 2026
Forecast Valid:
1pm EST Feb 15, 2026-6pm EST Feb 21, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation