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

30°F

-1°C

Humidity 88%
Wind Speed Calm
Barometer 30.27 in (1024.8 mb)
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Last update 25 Nov 4:56 am EST
Extended Forecast for

Yantic CT

  • Today

    Today: A 40 percent chance of rain after 4pm. Mostly cloudy, with a high near 55. Light south wind increasing to 5 to 10 mph in the morning.

    High: 55 °F

    Cloudy then
    Chance Rain

  • Tonight

    Tonight: Rain, mainly between 7pm and 4am. Temperature falling to near 48 by 8pm, then rising to around 54 during the remainder of the night. South wind 6 to 9 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 48 °F⇑

    Rain

  • Wednesday

    Wednesday: Rain likely, mainly between 7am and 1pm. Cloudy, with a high near 61. South wind 7 to 9 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 61 °F

    Rain Likely

  • Wednesday Night

    Wednesday Night: A 30 percent chance of rain before 1am. Cloudy during the early evening, then gradual clearing, with a low around 37. West wind 6 to 10 mph, with gusts as high as 20 mph.

    Low: 37 °F

    Chance Rain

  • Thanksgiving Day

    Thanksgiving Day: Mostly sunny, with a high near 46. West wind 10 to 14 mph, with gusts as high as 28 mph.

    High: 46 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Widespread frost between 2am and 3am. Otherwise, mostly clear, with a low around 28.

    Low: 28 °F

    Partly Cloudy
    then Frost

  • Friday

    Friday: Mostly sunny, with a high near 42.

    High: 42 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 27.

    Low: 27 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 41.

    High: 41 °F

    Sunny

Detailed Forecast

Today
A 40 percent chance of rain after 4pm. Mostly cloudy, with a high near 55. Light south wind increasing to 5 to 10 mph in the morning.
Tonight
Rain, mainly between 7pm and 4am. Temperature falling to near 48 by 8pm, then rising to around 54 during the remainder of the night. South wind 6 to 9 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday
Rain likely, mainly between 7am and 1pm. Cloudy, with a high near 61. South wind 7 to 9 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday Night
A 30 percent chance of rain before 1am. Cloudy during the early evening, then gradual clearing, with a low around 37. West wind 6 to 10 mph, with gusts as high as 20 mph.
Thanksgiving Day
Mostly sunny, with a high near 46. West wind 10 to 14 mph, with gusts as high as 28 mph.
Thursday Night
Widespread frost between 2am and 3am. Otherwise, mostly clear, with a low around 28.
Friday
Mostly sunny, with a high near 42.
Friday Night
Partly cloudy, with a low around 27.
Saturday
Sunny, with a high near 41.
Saturday Night
Partly cloudy, with a low around 25.
Sunday
Mostly cloudy, with a high near 47.
Sunday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 33.
Monday
A 40 percent chance of rain. Mostly cloudy, with a high near 51.
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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:
1:21 am EST Nov 25, 2025
Forecast Valid:
5am EST Nov 25, 2025-6pm EST Dec 1, 2025
 
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