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.

Overcast

56°F

13°C

Humidity 77%
Wind Speed S 9 mph
Barometer 29.85 in (1010.8 mb)
Dewpoint 49°F (9°C)
Visibility 10.00 mi
Last update 15 May 3:56 pm EDT
Extended Forecast for

3 Miles N Hadlyme CT

  • This Afternoon

    This Afternoon: A 30 percent chance of showers. Cloudy, with a high near 64. North wind around 8 mph.

    High: 64 °F

    Chance
    Showers

  • Tonight

    Tonight: A 30 percent chance of showers before 8pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 49. North wind around 6 mph becoming calm in the evening.

    Low: 49 °F

    Chance
    Showers then
    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 74. Light southwest wind increasing to 8 to 13 mph in the morning.

    High: 74 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 58. South wind 7 to 10 mph.

    Low: 58 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 83. West wind 6 to 13 mph.

    High: 83 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 55.

    Low: 55 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 74.

    High: 74 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 56.

    Low: 56 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 84.

    High: 84 °F

    Sunny

Detailed Forecast

This Afternoon
A 30 percent chance of showers. Cloudy, with a high near 64. North wind around 8 mph.
Tonight
A 30 percent chance of showers before 8pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 49. North wind around 6 mph becoming calm in the evening.
Saturday
Sunny, with a high near 74. Light southwest wind increasing to 8 to 13 mph in the morning.
Saturday Night
Partly cloudy, with a low around 58. South wind 7 to 10 mph.
Sunday
Sunny, with a high near 83. West wind 6 to 13 mph.
Sunday Night
Mostly clear, with a low around 55.
Monday
Sunny, with a high near 74.
Monday Night
Mostly clear, with a low around 56.
Tuesday
Sunny, with a high near 84.
Tuesday Night
Mostly clear, with a low around 64.
Wednesday
A 30 percent chance of showers. Mostly sunny, with a high near 83.
Wednesday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 58.
Thursday
A 30 percent chance of showers. Partly sunny, with a high near 69.
Thursday Night
Partly cloudy, with a low around 52.
Friday
Mostly sunny, with a high near 68.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles N Hadlyme CT
 41.44°N 72.33°W (Elev. 95 ft)
Last Update:
2:26 pm EDT May 15, 2026
Forecast Valid:
4pm EDT May 15, 2026-6pm EDT May 22, 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