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.

Fair

55°F

13°C

Humidity 87%
Wind Speed S 7 mph
Barometer 30.12 in (1019.8 mb)
Dewpoint 51°F (11°C)
Visibility 10.00 mi
Wind Chill53°F (12°C)
Last update 16 May 8:56 am EDT
Extended Forecast for

4 Miles NNW Hadlyme CT

  • Today

    Today: Sunny, with a high near 74. Light southwest wind increasing to 6 to 11 mph in the morning. Winds could gust as high as 21 mph.

    High: 74 °F

    Sunny

  • Tonight

    Tonight: A slight chance of showers between 2am and 5am, then a chance of sprinkles with a slight chance of showers after 5am. Partly cloudy, with a low around 58. Southwest wind 6 to 9 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.

    Low: 58 °F

    Mostly Clear
    then Slight
    Chance
    Showers

  • Sunday

    Sunday: A chance of sprinkles before 8am. Sunny, with a high near 82. West wind 3 to 8 mph.

    High: 82 °F

    Chance
    Sprinkles

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 57. Light and variable wind.

    Low: 57 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 73. Calm wind becoming southeast 5 to 9 mph in the morning.

    High: 73 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 57.

    Low: 57 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 86.

    High: 86 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 66.

    Low: 66 °F

    Mostly Clear

  • Wednesday

    Wednesday: A 40 percent chance of showers after 2pm. Mostly sunny, with a high near 89.

    High: 89 °F

    Mostly Sunny
    then Chance
    Showers

Detailed Forecast

Today
Sunny, with a high near 74. Light southwest wind increasing to 6 to 11 mph in the morning. Winds could gust as high as 21 mph.
Tonight
A slight chance of showers between 2am and 5am, then a chance of sprinkles with a slight chance of showers after 5am. Partly cloudy, with a low around 58. Southwest wind 6 to 9 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.
Sunday
A chance of sprinkles before 8am. Sunny, with a high near 82. West wind 3 to 8 mph.
Sunday Night
Mostly clear, with a low around 57. Light and variable wind.
Monday
Sunny, with a high near 73. Calm wind becoming southeast 5 to 9 mph in the morning.
Monday Night
Mostly clear, with a low around 57.
Tuesday
Sunny, with a high near 86.
Tuesday Night
Mostly clear, with a low around 66.
Wednesday
A 40 percent chance of showers after 2pm. Mostly sunny, with a high near 89.
Wednesday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 59.
Thursday
Mostly sunny, with a high near 74.
Thursday Night
Partly cloudy, with a low around 50.
Friday
Mostly sunny, with a high near 68.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NNW Hadlyme CT
 41.44°N 72.35°W (Elev. 433 ft)
Last Update:
5:42 am EDT May 16, 2026
Forecast Valid:
9am EDT May 16, 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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation