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

55°F

13°C

Humidity 57%
Wind Speed W 6 mph
Barometer 29.72 in (1006.2 mb)
Dewpoint 40°F (4°C)
Visibility 10.00 mi
Wind Chill54°F (12°C)
Last update 8 Nov 4:56 pm EST
Extended Forecast for

3 Miles ENE Hadlyme CT

  • Tonight

    Tonight: Mostly clear, with a low around 39. West wind 3 to 6 mph.

    Low: 39 °F

    Mostly Clear

  • Monday

    Monday: A 20 percent chance of rain before 1pm. Mostly sunny, with a high near 58. Northwest wind 6 to 13 mph, with gusts as high as 23 mph.

    High: 58 °F

    Slight Chance
    Rain

  • Monday Night

    Monday Night: Mostly clear, with a low around 36. Northwest wind 5 to 8 mph.

    Low: 36 °F

    Mostly Clear

  • Tuesday

    Tuesday: Patchy frost before 8am. Otherwise, partly sunny, then gradually becoming sunny, with a high near 59. West wind 5 to 9 mph.

    High: 59 °F

    Patchy Frost
    then Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 38. West wind 3 to 5 mph.

    Low: 38 °F

    Clear

  • Veterans Day

    Veterans Day: Sunny, with a high near 60.

    High: 60 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 35.

    Low: 35 °F

    Partly Cloudy

  • Thursday

    Thursday: A 30 percent chance of rain after 1pm. Mostly cloudy, with a high near 55.

    High: 55 °F

    Partly Sunny
    then Chance
    Rain

  • Thursday Night

    Thursday Night: Rain likely. Mostly cloudy, with a low around 36. Chance of precipitation is 70%.

    Low: 36 °F

    Rain Likely

Detailed Forecast

Tonight
Mostly clear, with a low around 39. West wind 3 to 6 mph.
Monday
A 20 percent chance of rain before 1pm. Mostly sunny, with a high near 58. Northwest wind 6 to 13 mph, with gusts as high as 23 mph.
Monday Night
Mostly clear, with a low around 36. Northwest wind 5 to 8 mph.
Tuesday
Patchy frost before 8am. Otherwise, partly sunny, then gradually becoming sunny, with a high near 59. West wind 5 to 9 mph.
Tuesday Night
Clear, with a low around 38. West wind 3 to 5 mph.
Veterans Day
Sunny, with a high near 60.
Wednesday Night
Partly cloudy, with a low around 35.
Thursday
A 30 percent chance of rain after 1pm. Mostly cloudy, with a high near 55.
Thursday Night
Rain likely. Mostly cloudy, with a low around 36. Chance of precipitation is 70%.
Friday
Rain likely. Mostly cloudy, with a high near 46. Chance of precipitation is 70%.
Friday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 31.
Saturday
A chance of rain and snow. Partly sunny, with a high near 46. Chance of precipitation is 30%.
Saturday Night
Partly cloudy, with a low around 30.
Sunday
Mostly sunny, with a high near 47.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles ENE Hadlyme CT
 41.44°N 72.3°W (Elev. 397 ft)
Last Update:
1:44 pm EST Nov 8, 2026
Forecast Valid:
5pm EST Nov 8, 2026-6pm EST Nov 15, 2026
 
Forecast Discussion
 
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Additional Resources

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National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation