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

65°F

18°C

Humidity 93%
Wind Speed SW 16 G 24 mph
Barometer 29.90 in (1012.4 mb)
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Last update 5 Nov 11:56 pm EST
Extended Forecast for

Hadlyme CT

  • Overnight

    Overnight: Rain, with thunderstorms also possible after 4am. Low around 63. Southwest wind 5 to 7 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 63 °F

    Rain

  • Friday

    Friday: Rain and possibly a thunderstorm. High near 68. Calm wind becoming south around 6 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.

    High: 68 °F

    Rain

  • Friday Night

    Friday Night: Rain likely, mainly before 1am. Mostly cloudy, with a low around 56. Calm wind. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 56 °F

    Rain Likely

  • Saturday

    Saturday: A 40 percent chance of showers, mainly after 1pm. Partly sunny, with a high near 67. Calm wind becoming north around 6 mph in the morning.

    High: 67 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: Showers likely. Mostly cloudy, with a low around 44. Light west wind becoming northwest 5 to 9 mph in the evening. Winds could gust as high as 20 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 44 °F

    Showers
    Likely

  • Sunday

    Sunday: Mostly sunny, with a high near 62.

    High: 62 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 40.

    Low: 40 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 59.

    High: 59 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 38.

    Low: 38 °F

    Mostly Clear

Detailed Forecast

Overnight
Rain, with thunderstorms also possible after 4am. Low around 63. Southwest wind 5 to 7 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Friday
Rain and possibly a thunderstorm. High near 68. Calm wind becoming south around 6 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.
Friday Night
Rain likely, mainly before 1am. Mostly cloudy, with a low around 56. Calm wind. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.
Saturday
A 40 percent chance of showers, mainly after 1pm. Partly sunny, with a high near 67. Calm wind becoming north around 6 mph in the morning.
Saturday Night
Showers likely. Mostly cloudy, with a low around 44. Light west wind becoming northwest 5 to 9 mph in the evening. Winds could gust as high as 20 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Sunday
Mostly sunny, with a high near 62.
Sunday Night
Mostly clear, with a low around 40.
Monday
Sunny, with a high near 59.
Monday Night
Mostly clear, with a low around 38.
Tuesday
Sunny, with a high near 63.
Tuesday Night
Mostly clear, with a low around 38.
Veterans Day
Sunny, with a high near 60.
Wednesday Night
Mostly clear, with a low around 32.
Thursday
Sunny, with a high near 56.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Hadlyme CT
 41.39°N 72.31°W (Elev. 105 ft)
Last Update:
9:34 pm EST Nov 5, 2026
Forecast Valid:
12am EST Nov 6, 2026-6pm EST Nov 12, 2026
 
Forecast Discussion
 
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Additional Resources

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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