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

45°F

7°C

Humidity 97%
Wind Speed Calm
Barometer 29.74 in (1006.9 mb)
Dewpoint 44°F (7°C)
Visibility 10.00 mi
Last update 23 Mar 12:56 am EDT
Extended Forecast for

Yantic CT

  • Overnight

    Overnight: Rain. Low around 35. Calm wind becoming northeast around 5 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 35 °F

    Rain

  • Monday

    Monday: Rain, possibly mixed with snow, mainly before 2pm. High near 43. North wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.

    High: 43 °F

    Rain/Snow
    then Slight
    Chance
    Rain/Snow

  • Monday Night

    Monday Night: Partly cloudy, with a low around 27. Northwest wind around 6 mph.

    Low: 27 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 47. Wind chill values between 20 and 30 early. North wind around 6 mph becoming west in the afternoon.

    High: 47 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 32. Southwest wind around 6 mph.

    Low: 32 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 51.

    High: 51 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 34.

    Low: 34 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 54.

    High: 54 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Rain likely, mainly after 2am. Mostly cloudy, with a low around 42. Chance of precipitation is 60%.

    Low: 42 °F

    Rain Likely

Detailed Forecast

Overnight
Rain. Low around 35. Calm wind becoming northeast around 5 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Monday
Rain, possibly mixed with snow, mainly before 2pm. High near 43. North wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.
Monday Night
Partly cloudy, with a low around 27. Northwest wind around 6 mph.
Tuesday
Sunny, with a high near 47. Wind chill values between 20 and 30 early. North wind around 6 mph becoming west in the afternoon.
Tuesday Night
Partly cloudy, with a low around 32. Southwest wind around 6 mph.
Wednesday
Partly sunny, with a high near 51.
Wednesday Night
Mostly cloudy, with a low around 34.
Thursday
Partly sunny, with a high near 54.
Thursday Night
Rain likely, mainly after 2am. Mostly cloudy, with a low around 42. Chance of precipitation is 60%.
Friday
Rain likely before 8am. Partly sunny, with a high near 53. Chance of precipitation is 60%.
Friday Night
Partly cloudy, with a low around 22.
Saturday
Sunny, with a high near 41.
Saturday Night
Mostly clear, with a low around 25.
Sunday
Mostly sunny, with a high near 47.
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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:
3:49 pm EDT Mar 22, 2026
Forecast Valid:
1am EDT Mar 23, 2026-6pm EDT Mar 29, 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