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

63°F

17°C

Humidity 47%
Wind Speed S 10 mph
Barometer 29.98 in (1015.1 mb)
Dewpoint 42°F (6°C)
Visibility 10.00 mi
Last update 7 Oct 1:56 pm EDT
Extended Forecast for

3 Miles ENE Hadlyme CT

  • This Afternoon

    This Afternoon: Sunny, with a high near 64. Southwest wind around 10 mph.

    High: 64 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 54. Southwest wind around 7 mph.

    Low: 54 °F

    Partly Cloudy

  • Thursday

    Thursday: A chance of sprinkles before 11am, then a slight chance of showers between 11am and 2pm. Partly sunny, with a high near 73. West wind 6 to 11 mph. Chance of precipitation is 20%.

    High: 73 °F

    Slight Chance
    Showers

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 48. Northwest wind around 6 mph becoming calm in the evening.

    Low: 48 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 68. Light west wind increasing to 5 to 9 mph in the morning.

    High: 68 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 47.

    Low: 47 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 68.

    High: 68 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 52.

    Low: 52 °F

    Partly Cloudy

  • Sunday

    Sunday: A 30 percent chance of showers after 2pm. Mostly sunny, with a high near 70.

    High: 70 °F

    Mostly Sunny
    then Chance
    Showers

Detailed Forecast

This Afternoon
Sunny, with a high near 64. Southwest wind around 10 mph.
Tonight
Partly cloudy, with a low around 54. Southwest wind around 7 mph.
Thursday
A chance of sprinkles before 11am, then a slight chance of showers between 11am and 2pm. Partly sunny, with a high near 73. West wind 6 to 11 mph. Chance of precipitation is 20%.
Thursday Night
Mostly clear, with a low around 48. Northwest wind around 6 mph becoming calm in the evening.
Friday
Sunny, with a high near 68. Light west wind increasing to 5 to 9 mph in the morning.
Friday Night
Mostly clear, with a low around 47.
Saturday
Sunny, with a high near 68.
Saturday Night
Partly cloudy, with a low around 52.
Sunday
A 30 percent chance of showers after 2pm. Mostly sunny, with a high near 70.
Sunday Night
Showers likely, mainly after 8pm. Mostly cloudy, with a low around 58. Chance of precipitation is 70%.
Columbus Day
Showers likely. Mostly cloudy, with a high near 70. Chance of precipitation is 60%.
Monday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 54.
Tuesday
Partly sunny, with a high near 67.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles ENE Hadlyme CT
 41.41°N 72.3°W (Elev. 98 ft)
Last Update:
3:09 am EDT Oct 7, 2026
Forecast Valid:
2pm EDT Oct 7, 2026-6pm EDT Oct 13, 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