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

56°F

13°C

Humidity 72%
Wind Speed S 12 mph
Barometer 30.18 in (1022.0 mb)
Dewpoint 47°F (8°C)
Visibility 10.00 mi
Last update 15 Oct 8:56 pm EDT
Extended Forecast for

Yantic CT

  • Tonight

    Tonight: Increasing clouds, with a temperature falling to near 45 by midnight, then rising to around 51 during the remainder of the night. Light southeast wind.

    Low: 45 °F⇑

    Increasing
    Clouds

  • Friday

    Friday: Showers, with thunderstorms also possible after 2pm. High near 70. South wind 9 to 13 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 70 °F

    Showers

  • Friday Night

    Friday Night: Showers and thunderstorms before 11pm, then showers likely. Low around 42. Southwest wind 6 to 11 mph becoming northwest after midnight. Winds could gust as high as 22 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 42 °F

    Showers

  • Saturday

    Saturday: A 30 percent chance of showers before 8am. Cloudy through mid morning, then gradual clearing, with a high near 52. North wind around 15 mph, with gusts as high as 25 mph.

    High: 52 °F

    Chance
    Showers then
    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 32. North wind 3 to 6 mph.

    Low: 32 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 56.

    High: 56 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 36.

    Low: 36 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 62.

    High: 62 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 39.

    Low: 39 °F

    Mostly Clear

Detailed Forecast

Tonight
Increasing clouds, with a temperature falling to near 45 by midnight, then rising to around 51 during the remainder of the night. Light southeast wind.
Friday
Showers, with thunderstorms also possible after 2pm. High near 70. South wind 9 to 13 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday Night
Showers and thunderstorms before 11pm, then showers likely. Low around 42. Southwest wind 6 to 11 mph becoming northwest after midnight. Winds could gust as high as 22 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday
A 30 percent chance of showers before 8am. Cloudy through mid morning, then gradual clearing, with a high near 52. North wind around 15 mph, with gusts as high as 25 mph.
Saturday Night
Mostly clear, with a low around 32. North wind 3 to 6 mph.
Sunday
Sunny, with a high near 56.
Sunday Night
Clear, with a low around 36.
Monday
Sunny, with a high near 62.
Monday Night
Mostly clear, with a low around 39.
Tuesday
Mostly sunny, with a high near 65.
Tuesday Night
Partly cloudy, with a low around 41.
Wednesday
Sunny, with a high near 64.
Wednesday Night
Mostly clear, with a low around 39.
Thursday
Sunny, with a high near 60.
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ABOUT THIS FORECAST

 
Point Forecast:
Yantic CT
 41.54°N 72.07°W (Elev. 167 ft)
Last Update:
2:36 pm EDT Oct 15, 2026
Forecast Valid:
9pm EDT Oct 15, 2026-6pm EDT Oct 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