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.

Partly Cloudy

43°F

6°C

Humidity 76%
Wind Speed SW 9 mph
Barometer 29.70 in (1005.6 mb)
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Wind Chill38°F (3°C)
Last update 14 Jan 8:56 am EST
Extended Forecast for

Yantic CT

  • Today

    Today: Mostly cloudy, with a high near 50. Southwest wind 6 to 8 mph.

    High: 50 °F

    Mostly Cloudy

  • Tonight

    Tonight: Showers likely, mainly between 1am and 4am. Cloudy, with a steady temperature around 42. Calm wind becoming west around 5 mph after midnight. Chance of precipitation is 60%.

    Low: 42 °F

    Chance
    Showers then
    Showers
    Likely

  • Thursday

    Thursday: A 30 percent chance of showers, mainly before 7am. Cloudy, then gradually becoming mostly sunny, with a temperature falling to around 32 by 5pm. Wind chill values between 25 and 35. Southwest wind 6 to 14 mph, with gusts as high as 24 mph.

    High: 41 °F⇓

    Chance
    Showers

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 17. Wind chill values between 5 and 15. West wind 9 to 13 mph, with gusts as high as 29 mph.

    Low: 17 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 33. West wind 10 to 14 mph, with gusts as high as 29 mph.

    High: 33 °F

    Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a steady temperature around 30.

    Low: 30 °F

    Mostly Cloudy

  • Saturday

    Saturday: A 30 percent chance of rain after 1pm. Partly sunny, with a high near 41.

    High: 41 °F

    Mostly Cloudy
    then Chance
    Rain

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 26.

    Low: 26 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 34.

    High: 34 °F

    Partly Sunny

Detailed Forecast

Today
Mostly cloudy, with a high near 50. Southwest wind 6 to 8 mph.
Tonight
Showers likely, mainly between 1am and 4am. Cloudy, with a steady temperature around 42. Calm wind becoming west around 5 mph after midnight. Chance of precipitation is 60%.
Thursday
A 30 percent chance of showers, mainly before 7am. Cloudy, then gradually becoming mostly sunny, with a temperature falling to around 32 by 5pm. Wind chill values between 25 and 35. Southwest wind 6 to 14 mph, with gusts as high as 24 mph.
Thursday Night
Partly cloudy, with a low around 17. Wind chill values between 5 and 15. West wind 9 to 13 mph, with gusts as high as 29 mph.
Friday
Sunny, with a high near 33. West wind 10 to 14 mph, with gusts as high as 29 mph.
Friday Night
Mostly cloudy, with a steady temperature around 30.
Saturday
A 30 percent chance of rain after 1pm. Partly sunny, with a high near 41.
Saturday Night
Mostly cloudy, with a low around 26.
Sunday
Partly sunny, with a high near 34.
Sunday Night
Partly cloudy, with a low around 19.
M.L.King Day
Mostly sunny, with a high near 32.
Monday Night
Mostly cloudy, with a low around 19.
Tuesday
Mostly sunny, with a high near 29.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Yantic CT
 41.51°N 72.01°W (Elev. 200 ft)
Last Update:
6:04 am EST Jan 14, 2026
Forecast Valid:
9am EST Jan 14, 2026-6pm EST Jan 20, 2026
 
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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