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.

Overcast

48°F

9°C

Humidity 86%
Wind Speed SE 15 mph
Barometer 30.00 in (1015.8 mb)
Dewpoint 44°F (7°C)
Visibility 10.00 mi
Wind Chill42°F (6°C)
Last update 18 Apr 6:56 pm EDT
Extended Forecast for

Yantic CT

  • Tonight

    Tonight: Patchy fog after 8pm. Otherwise, cloudy, with a low around 46. East wind around 6 mph becoming calm after midnight.

    Low: 46 °F

    Patchy Fog

  • Sunday

    Sunday: Showers, mainly between 8am and 5pm. Patchy fog before 11am. High near 56. Southeast wind 6 to 14 mph becoming northwest in the afternoon. Winds could gust as high as 28 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 56 °F

    Showers and
    Patchy Fog

  • Sunday Night

    Sunday Night: A 30 percent chance of showers before 8pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 34. West wind 3 to 7 mph. Winds could gust as high as 20 mph.

    Low: 34 °F

    Chance
    Showers then
    Mostly Clear

  • Monday

    Monday: A 20 percent chance of showers after 2pm. Mostly sunny, with a high near 51. Northwest wind 6 to 9 mph.

    High: 51 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Monday Night

    Monday Night: Partly cloudy, with a low around 30. North wind around 6 mph.

    Low: 30 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 51.

    High: 51 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Increasing clouds, with a low around 37.

    Low: 37 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 56.

    High: 56 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 37.

    Low: 37 °F

    Partly Cloudy

Detailed Forecast

Tonight
Patchy fog after 8pm. Otherwise, cloudy, with a low around 46. East wind around 6 mph becoming calm after midnight.
Sunday
Showers, mainly between 8am and 5pm. Patchy fog before 11am. High near 56. Southeast wind 6 to 14 mph becoming northwest in the afternoon. Winds could gust as high as 28 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday Night
A 30 percent chance of showers before 8pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 34. West wind 3 to 7 mph. Winds could gust as high as 20 mph.
Monday
A 20 percent chance of showers after 2pm. Mostly sunny, with a high near 51. Northwest wind 6 to 9 mph.
Monday Night
Partly cloudy, with a low around 30. North wind around 6 mph.
Tuesday
Sunny, with a high near 51.
Tuesday Night
Increasing clouds, with a low around 37.
Wednesday
Mostly cloudy, with a high near 56.
Wednesday Night
Partly cloudy, with a low around 37.
Thursday
Mostly sunny, with a high near 64.
Thursday Night
Partly cloudy, with a low around 43.
Friday
Mostly sunny, with a high near 63.
Friday Night
Partly cloudy, with a low around 41.
Saturday
A 30 percent chance of showers. Mostly sunny, with a high near 62.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Yantic CT
 41.51°N 72.01°W (Elev. 200 ft)
Last Update:
6:34 pm EDT Apr 18, 2026
Forecast Valid:
7pm EDT Apr 18, 2026-6pm EDT Apr 25, 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