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

70°F

21°C

Humidity 47%
Wind Speed SW 13 mph
Barometer 29.79 in (1008.7 mb)
Dewpoint 49°F (9°C)
Visibility 10.00 mi
Last update 16 Jun 5:56 pm EDT
Extended Forecast for

Yantic CT

  • Tonight

    Tonight: Partly cloudy, with a low around 54. Southwest wind 5 to 7 mph becoming calm in the evening.

    Low: 54 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 79. Calm wind becoming south 5 to 9 mph in the morning.

    High: 79 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Increasing clouds, with a low around 58. South wind around 5 mph becoming calm in the evening.

    Low: 58 °F

    Increasing
    Clouds

  • Thursday

    Thursday: Showers likely, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 80. South wind 7 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    High: 80 °F

    Showers
    Likely

  • Thursday Night

    Thursday Night: A chance of thunderstorms before 8pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 64. West wind 7 to 10 mph, with gusts as high as 22 mph. Chance of precipitation is 30%.

    Low: 64 °F

    Chance
    T-storms then
    Mostly Clear

  • Juneteenth

    Juneteenth: Mostly sunny, with a high near 83.

    High: 83 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 61.

    Low: 61 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 81.

    High: 81 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 60.

    Low: 60 °F

    Mostly Clear

Detailed Forecast

Tonight
Partly cloudy, with a low around 54. Southwest wind 5 to 7 mph becoming calm in the evening.
Wednesday
Mostly sunny, with a high near 79. Calm wind becoming south 5 to 9 mph in the morning.
Wednesday Night
Increasing clouds, with a low around 58. South wind around 5 mph becoming calm in the evening.
Thursday
Showers likely, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 80. South wind 7 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Thursday Night
A chance of thunderstorms before 8pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 64. West wind 7 to 10 mph, with gusts as high as 22 mph. Chance of precipitation is 30%.
Juneteenth
Mostly sunny, with a high near 83.
Friday Night
Mostly clear, with a low around 61.
Saturday
Sunny, with a high near 81.
Saturday Night
Mostly clear, with a low around 60.
Sunday
Sunny, with a high near 83.
Sunday Night
Partly cloudy, with a low around 59.
Monday
A 50 percent chance of showers. Partly sunny, with a high near 78.
Monday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 60.
Tuesday
A 30 percent chance of showers. Partly sunny, with a high near 80.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Yantic CT
 41.54°N 72.07°W (Elev. 167 ft)
Last Update:
3:07 pm EDT Jun 16, 2026
Forecast Valid:
6pm EDT Jun 16, 2026-6pm EDT Jun 23, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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