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

79°F

26°C

Humidity 77%
Wind Speed SW 14 mph
Barometer 29.82 in (1009.8 mb)
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Heat Index82°F (28°C)
Last update 11 Aug 11:56 am EDT
Extended Forecast for

Yantic CT

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 89. West wind around 8 mph.

    High: 89 °F

    Mostly Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 63. Light and variable wind.

    Low: 63 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: Mostly sunny, with a high near 86. Calm wind becoming west around 5 mph in the afternoon.

    High: 86 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 62. Light and variable wind.

    Low: 62 °F

    Partly Cloudy

  • Thursday

    Thursday: A 30 percent chance of showers after 2pm. Mostly sunny, with a high near 85. Calm wind becoming south 5 to 8 mph in the afternoon.

    High: 85 °F

    Mostly Sunny
    then Chance
    Showers

  • Thursday Night

    Thursday Night: A chance of showers before 8pm, then a chance of showers after 2am. Mostly cloudy, with a low around 63. Chance of precipitation is 30%.

    Low: 63 °F

    Chance
    Showers

  • Friday

    Friday: A 30 percent chance of showers before 8am. Partly sunny, then gradually becoming sunny, with a high near 82.

    High: 82 °F

    Chance
    Showers then
    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 55.

    Low: 55 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 81.

    High: 81 °F

    Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 89. West wind around 8 mph.
Tonight
Increasing clouds, with a low around 63. Light and variable wind.
Wednesday
Mostly sunny, with a high near 86. Calm wind becoming west around 5 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 62. Light and variable wind.
Thursday
A 30 percent chance of showers after 2pm. Mostly sunny, with a high near 85. Calm wind becoming south 5 to 8 mph in the afternoon.
Thursday Night
A chance of showers before 8pm, then a chance of showers after 2am. Mostly cloudy, with a low around 63. Chance of precipitation is 30%.
Friday
A 30 percent chance of showers before 8am. Partly sunny, then gradually becoming sunny, with a high near 82.
Friday Night
Clear, with a low around 55.
Saturday
Sunny, with a high near 81.
Saturday Night
Mostly clear, with a low around 54.
Sunday
Mostly sunny, with a high near 80.
Sunday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 61.
Monday
A 40 percent chance of showers. Partly sunny, with a high near 79.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Yantic CT
 41.53°N 72.01°W (Elev. 200 ft)
Last Update:
3:05 am EDT Aug 11, 2026
Forecast Valid:
12pm EDT Aug 11, 2026-6pm EDT Aug 17, 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