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

46°F

8°C

Humidity 83%
Wind Speed N 3 mph
Barometer 29.81 in (1009.5 mb)
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Last update 11 Nov 11:56 pm EST
Extended Forecast for

3 Miles S Yantic CT

  • Overnight

    Overnight: Mostly cloudy, with a steady temperature around 41. Calm wind becoming east around 5 mph.

    Low: 41 °F

    Mostly Cloudy

  • Thursday

    Thursday: Showers, mainly after 3pm. High near 58. Light northeast wind becoming east 6 to 11 mph in the morning. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 58 °F

    Mostly Cloudy
    then Showers

  • Thursday Night

    Thursday Night: Rain, mainly before midnight. Low around 34. Northeast wind 9 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 34 °F

    Rain

  • Friday

    Friday: Rain, mainly before 4pm. High near 47. North wind 10 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 47 °F

    Rain

  • Friday Night

    Friday Night: A 40 percent chance of rain, mainly before 10pm. Mostly cloudy, with a low around 27. North wind around 6 mph.

    Low: 27 °F

    Chance Rain

  • Saturday

    Saturday: Mostly cloudy, with a high near 48.

    High: 48 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 25.

    Low: 25 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 52.

    High: 52 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 25.

    Low: 25 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly cloudy, with a steady temperature around 41. Calm wind becoming east around 5 mph.
Thursday
Showers, mainly after 3pm. High near 58. Light northeast wind becoming east 6 to 11 mph in the morning. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday Night
Rain, mainly before midnight. Low around 34. Northeast wind 9 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Friday
Rain, mainly before 4pm. High near 47. North wind 10 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday Night
A 40 percent chance of rain, mainly before 10pm. Mostly cloudy, with a low around 27. North wind around 6 mph.
Saturday
Mostly cloudy, with a high near 48.
Saturday Night
Partly cloudy, with a low around 25.
Sunday
Sunny, with a high near 52.
Sunday Night
Mostly clear, with a low around 25.
Monday
Sunny, with a high near 52.
Monday Night
Mostly clear, with a low around 25.
Tuesday
Sunny, with a high near 53.
Tuesday Night
Mostly clear, with a low around 24.
Wednesday
Sunny, with a high near 57.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles S Yantic CT
 41.49°N 72.05°W (Elev. 98 ft)
Last Update:
6:08 pm EST Nov 11, 2026
Forecast Valid:
12am EST Nov 12, 2026-6pm EST Nov 18, 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