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

67°F

19°C

Humidity 68%
Wind Speed S 9 mph
Barometer 30.13 in (1020.3 mb)
Dewpoint 56°F (13°C)
Visibility 10.00 mi
Last update 4 Nov 11:56 am EST
Extended Forecast for

Yantic CT

  • This Afternoon

    This Afternoon: Sunny, with a high near 73. Southwest wind 7 to 9 mph.

    High: 73 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 56. Calm wind becoming southwest around 5 mph after midnight.

    Low: 56 °F

    Increasing
    Clouds

  • Thursday

    Thursday: A chance of showers between noon and 3pm. Mostly cloudy, with a high near 73. South wind 5 to 13 mph. Chance of precipitation is 40%.

    High: 73 °F

    Mostly Cloudy
    then Chance
    Showers

  • Thursday Night

    Thursday Night: A chance of showers, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 62. Southwest wind 5 to 7 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 62 °F

    Chance
    Showers then
    Showers
    Likely

  • Friday

    Friday: Showers, with thunderstorms also possible after noon. Some of the storms could produce heavy rainfall. High near 70. South wind 3 to 6 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.

    High: 70 °F

    Heavy Rain

  • Friday Night

    Friday Night: Showers. The rain could be heavy at times. Low around 55. Chance of precipitation is 90%. New precipitation amounts between 1 and 2 inches possible.

    Low: 55 °F

    Heavy Rain
    then Showers
    Likely

  • Saturday

    Saturday: A 30 percent chance of showers before noon. Partly sunny, with a high near 67.

    High: 67 °F

    Chance
    Showers then
    Partly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 42.

    Low: 42 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 60.

    High: 60 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 73. Southwest wind 7 to 9 mph.
Tonight
Increasing clouds, with a low around 56. Calm wind becoming southwest around 5 mph after midnight.
Thursday
A chance of showers between noon and 3pm. Mostly cloudy, with a high near 73. South wind 5 to 13 mph. Chance of precipitation is 40%.
Thursday Night
A chance of showers, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 62. Southwest wind 5 to 7 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday
Showers, with thunderstorms also possible after noon. Some of the storms could produce heavy rainfall. High near 70. South wind 3 to 6 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.
Friday Night
Showers. The rain could be heavy at times. Low around 55. Chance of precipitation is 90%. New precipitation amounts between 1 and 2 inches possible.
Saturday
A 30 percent chance of showers before noon. Partly sunny, with a high near 67.
Saturday Night
Partly cloudy, with a low around 42.
Sunday
Mostly sunny, with a high near 60.
Sunday Night
Mostly clear, with a low around 36.
Monday
Sunny, with a high near 57.
Monday Night
Mostly clear, with a low around 34.
Tuesday
Sunny, with a high near 59.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Yantic CT
 41.52°N 72.07°W (Elev. 52 ft)
Last Update:
7:41 am EST Nov 4, 2026
Forecast Valid:
12pm EST Nov 4, 2026-6pm EST Nov 10, 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