Current conditions at

Groton / New London, Groton / New London Airport (KGON)

Lat: 41.33°NLon: 72.05°WElev: 10ft.

Fair

37°F

3°C

Humidity 52%
Wind Speed N 7 mph
Barometer 30.26 in (1024.7 mb)
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Wind Chill32°F (0°C)
Last update 20 Nov 8:56 am EST
Extended Forecast for

Hadlyme CT

  • Today

    Today: Mostly sunny, with a high near 47. Light and variable wind.

    High: 47 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 30. Calm wind.

    Low: 30 °F

    Mostly Clear

  • Friday

    Friday: Mostly cloudy, with a high near 53. Calm wind becoming southwest 5 to 9 mph in the morning.

    High: 53 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: A 50 percent chance of rain.  Mostly cloudy, with a low around 39. Southwest wind around 5 mph becoming calm  in the evening.

    Low: 39 °F

    Chance Rain

  • Saturday

    Saturday: A 20 percent chance of rain before 1pm.  Partly sunny, with a high near 50. Northwest wind 6 to 10 mph.

    High: 50 °F

    Slight Chance
    Rain

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 29.

    Low: 29 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 47.

    High: 47 °F

    Mostly Sunny

  • Sunday Night

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

    Low: 35 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 52.

    High: 52 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 47. Light and variable wind.
Tonight
Mostly clear, with a low around 30. Calm wind.
Friday
Mostly cloudy, with a high near 53. Calm wind becoming southwest 5 to 9 mph in the morning.
Friday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 39. Southwest wind around 5 mph becoming calm in the evening.
Saturday
A 20 percent chance of rain before 1pm. Partly sunny, with a high near 50. Northwest wind 6 to 10 mph.
Saturday Night
Mostly clear, with a low around 29.
Sunday
Mostly sunny, with a high near 47.
Sunday Night
Partly cloudy, with a low around 35.
Monday
Mostly sunny, with a high near 52.
Monday Night
Mostly cloudy, with a low around 34.
Tuesday
Mostly cloudy, with a high near 54.
Tuesday Night
Rain likely. Cloudy, with a low around 41. Chance of precipitation is 60%.
Wednesday
A 40 percent chance of rain. Mostly cloudy, with a high near 58.
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ABOUT THIS FORECAST

 
Point Forecast:
Hadlyme CT
 41.38°N 72.34°W (Elev. 69 ft)
12:34 am EST Nov 20, 2025
8am EST Nov 20, 2025-6pm EST Nov 26, 2025
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database